860 lines
35 KiB
Plaintext
860 lines
35 KiB
Plaintext
VERSION 5.00
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Begin {B3E55942-FFD8-11D1-9788-44A620524153} FileViewer
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ClientHeight = 9330
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ClientLeft = 0
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ClientTop = 0
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ClientWidth = 10740
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_ExtentX = 18944
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_ExtentY = 16457
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m_iNextNodeNumber= 0
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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BeginProperty ImageLists {FFF9A8F6-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {87BC1809-C8FB-11D1-B44A-30F4BC000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Name = "imgToolbar"
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Index = 1
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Key = "imgToolbar"
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MaskColor = 0
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BeginProperty ListImages {87BC180B-C8FB-11D1-B44A-30F4BC000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {87BC180D-C8FB-11D1-B44A-30F4BC000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Index = 1
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Key = ""
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Tag = "0"
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Picture = "FileViewerExtension.dsx":0000
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EndProperty
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EndProperty
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DISPID = 1002
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EndProperty
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EndProperty
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BeginProperty Menus {11517450-27FE-11D3-AA41-00104B880587}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {91CC37D5-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Caption = "Menu1"
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Visible = -1
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Checked = 0
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Enabled = -1
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Grayed = 0
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MenuBreak = 0
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MenuBarBreak = 0
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Default = 0
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Index = 1
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Name = "ViewerMenu"
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Tag = 0
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StatusBarText = ""
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BeginProperty Children {11517450-27FE-11D3-AA41-00104B880587}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {91CC37D5-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Caption = "View File..."
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Visible = -1
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Checked = 0
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Enabled = -1
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Grayed = 0
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MenuBreak = 0
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MenuBarBreak = 0
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Default = 0
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Index = 1
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Name = "ViewFile"
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Tag = 0
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StatusBarText = "View the selected file"
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BeginProperty Children {11517450-27FE-11D3-AA41-00104B880587}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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Key = "1"
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DISPID = 1001
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EndProperty
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EndProperty
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Key = "1"
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DISPID = 1000
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EndProperty
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EndProperty
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BeginProperty Toolbars {FFF9A8FA-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 2
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KeysOnly = 0
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BeginProperty Item1 {91CC37E1-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Index = 1
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Key = "tbrViewer"
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Name = "tbrViewer"
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Tag = "0"
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BeginProperty Buttons {8B034115-FBB2-11D1-9785-EAA220524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {91CC37E6-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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BeginProperty ButtonMenus {91CC37E7-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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Caption = "View File..."
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Enabled = -1
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Image = 1
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Index = 1
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Key = ""
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MixedState = 0
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Style = 0
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Tag = ""
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ToolTipText = "View File Contents..."
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Value = 0
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Visible = -1
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EndProperty
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EndProperty
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Images = "imgToolbar"
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DISPID = 1003
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EndProperty
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BeginProperty Item2 {91CC37E1-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Index = 2
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Key = "tbrMenuButton"
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Name = "tbrMenuButton"
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Tag = 0
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BeginProperty Buttons {8B034115-FBB2-11D1-9785-EAA220524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {91CC37E6-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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BeginProperty ButtonMenus {91CC37E7-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 1
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KeysOnly = 0
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BeginProperty Item1 {91CC37E9-CE2B-11D1-B44D-7E92AF000000}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Enabled = -1
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Index = 1
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Key = ""
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Tag = ""
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Text = "View File..."
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Visible = -1
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Checked = 0
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Grayed = 0
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Separator = 0
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MenuBreak = 0
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MenuBarBreak = 0
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EndProperty
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EndProperty
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Caption = "FileViewer"
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Enabled = -1
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Image = ""
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Index = 1
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Key = ""
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MixedState = 0
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Style = 16
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Tag = ""
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ToolTipText = ""
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Value = 0
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Visible = -1
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EndProperty
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EndProperty
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Images = ""
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DISPID = 1004
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EndProperty
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EndProperty
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BeginProperty ViewDefs {FFF9A8E1-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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BeginProperty ListViews {FFF9A8FC-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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BeginProperty OCXViews {FFF9A8FF-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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BeginProperty URLViews {FFF9A902-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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BeginProperty TaskpadViews {FFF9A904-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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EndProperty
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BeginProperty DataFormats {91FE14C5-7370-11D2-97D8-00104B880587}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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BeginProperty SnapInDef {FFF9A8E4-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Name = "FileViewer"
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NodeTypeName = "FileViewerExtension"
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NodeTypeGUID = "{D42F4543-CD95-11d2-97ED-00104B880587}"
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DisplayName = "FileViewerExtension"
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Type = 1
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HelpFile = ""
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LinkedTopics = ""
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Description = "Visual Basic Sample Extension Snap-in for FileExplorer"
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Provider = "Microsoft Corporation"
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Version = "1.0"
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SmallFolders = ""
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SmallFoldersOpen= ""
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LargeFolders = ""
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Icon = "FileViewerExtension.dsx":0352
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Watermark = "FileViewerExtension.dsx":03B0
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Header = "FileViewerExtension.dsx":040E
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Palette = "FileViewerExtension.dsx":046C
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StretchWatermark= 0
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StaticFolder = 0
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DefaultView = ""
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Extensible = 0
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BeginProperty ViewDefs {FFF9A8E1-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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BeginProperty ListViews {FFF9A8FC-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 1
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EndProperty
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BeginProperty OCXViews {FFF9A8FF-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 1
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EndProperty
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BeginProperty URLViews {FFF9A902-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 1
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EndProperty
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BeginProperty TaskpadViews {FFF9A904-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 1
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EndProperty
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EndProperty
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BeginProperty Children {FFF9A8F4-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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IID = "{B51C28E4-22E9-4DE4-AD63-18E947617268}"
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Preload = 0
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EndProperty
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BeginProperty ExtensionDefs {FFF9A8E6-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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ExtendsNewMenu = 0
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ExtendsTaskMenu = 0
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ExtendsTopMenu = 0
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ExtendsViewMenu = 0
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ExtendsPropertyPages= 0
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ExtendsToolbar = 0
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ExtendsNameSpace= 0
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BeginProperty ExtendedSnapIns {BDA4B9D1-0872-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 3
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KeysOnly = 0
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BeginProperty Item1 {FFF9A8E8-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Name = ""
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Index = 1
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Key = "{119067F7-4DBC-11D2-8873-0080C7E0ACE4}"
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CLSID = "{119067F7-4DBC-11D2-8873-0080C7E0ACE4}"
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DisplayName = "Directory"
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Dynamic = 0
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ExtendsNameSpace= 0
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ExtendsNewMenu = 0
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ExtendsTaskMenu = 0
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ExtendsPropertyPages= -1
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ExtendsToolbar = 0
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ExtendsTaskpad = 0
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EndProperty
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BeginProperty Item2 {FFF9A8E8-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Name = ""
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Index = 2
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Key = "{873CAEF3-4DA3-11D2-8873-0080C7E0ACE4}"
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CLSID = "{873CAEF3-4DA3-11D2-8873-0080C7E0ACE4}"
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DisplayName = "FileExplorer"
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Dynamic = 0
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ExtendsNameSpace= 0
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ExtendsNewMenu = 0
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ExtendsTaskMenu = 0
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ExtendsPropertyPages= 0
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ExtendsToolbar = 0
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ExtendsTaskpad = -1
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EndProperty
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BeginProperty Item3 {FFF9A8E8-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Name = ""
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Index = 3
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Key = "{D2B294B2-9F64-11d2-97E1-00104B880587}"
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CLSID = "{D2B294B2-9F64-11d2-97E1-00104B880587}"
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DisplayName = "lvExporerFiles"
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Dynamic = 0
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ExtendsNameSpace= 0
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ExtendsNewMenu = 0
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ExtendsTaskMenu = -1
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ExtendsPropertyPages= -1
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ExtendsToolbar = -1
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ExtendsTaskpad = 0
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EndProperty
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EndProperty
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EndProperty
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BeginProperty AutoCreateNodes {FFF9A8F4-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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BeginProperty OtherNodes {FFF9A8F4-06CB-11D2-9791-50C320524153}
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Persistence.MajorVersion= 0
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Persistence.MinorVersion= 12
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Count = 0
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KeysOnly = 0
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EndProperty
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TypeinfoCookie = 24
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ProjectName = "FileViewerExtensionProj"
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End
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Attribute VB_Name = "FileViewer"
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Attribute VB_GlobalNameSpace = False
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Attribute VB_Creatable = True
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Attribute VB_PredeclaredId = False
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Attribute VB_Exposed = True
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Option Explicit
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' ===========================================================================
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' | THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF |
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' | ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
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' | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A |
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' | PARTICULAR PURPOSE. |
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' | Copyright (c) 1998-1999 Microsoft Corporation |
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' ===========================================================================
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' =============================================================================
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' File: FileViewerExtension.dsr
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' Project: FileViewerExtensionProj
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' Type: SnapIn Designer
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' =============================================================================
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' =============================================================================
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' Method: ExtensionSnapIn_AddTaskMenuItems
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' Type: Event
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' Description: Fired when a context menu is about to be displayed to give the
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' extension snap-in the opportunity to add items to MMC's "Task"
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' sub-menu.
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'
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' Parameters: DataObjects An MMCDataObject collection that contains the
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' current selection. The extension snap-in must
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' interpret the data exported by the extended
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' snap-ins (in this case FileExplorer exports the
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' data)
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' ContextMenu A ContextMenu object that allows adding the
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' snap-in's menus.
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' Output: None
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' Notes: Adds ViewerMenu containing the "View File..." item.
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' =============================================================================
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'
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Private Sub ExtensionSnapIn_AddTaskMenuItems(ByVal DataObjects As SnapInLib.IMMCDataObjects, _
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ByVal ContextMenu As SnapInLib.IContextMenu)
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On Error GoTo ErrTrap_ExtensionSnapIn_AddTaskMenuItems
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' If there is anything other than a single data object then we ignore it
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' as FileExplorer exports one MMCDataObject with the format "File" when the
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' selected item is a single file.
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If DataObjects.Count <> 1 Then
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Exit Sub
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End If
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' If the selected item exports the data format called "File" then it is a
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' file and we add our Task menu
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If Not DataObjects(1).GetFormat("File") Then
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Exit Sub
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End If
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ContextMenu.AddMenu ViewerMenu
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Exit Sub
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' Error Handler for this method
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ErrTrap_ExtensionSnapIn_AddTaskMenuItems:
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DisplayError "ExtensionSnapIn_AddTaskMenuItems"
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End Sub
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' =============================================================================
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' Method: ExtensionSnapIn_AddTasks
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' Type: Event
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' Description: Fired when a taskpad is about to be displayed to give the
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' extension snap-in the opportunity to add its tasks.
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'
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' Parameters: DataObject An MMCDataObject that contains the currently
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' selected scope item. The extension snap-in must
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' interpret the data exported by the extended
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' snap-in (in this case FileExplorer exports the
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' data)
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' GroupName The group name of the taskpad. For VB implemented
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' taskpads this is the taskpad name assigned in the
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' designer.
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' Tasks An empty collection of Task objects. The
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' extension snap-in must add its tasks to the
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' collection.
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' Output: None
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' Notes: Adds the "About FileViewer" task.
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' =============================================================================
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'
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Private Sub ExtensionSnapIn_AddTasks(ByVal DataObject As SnapInLib.IMMCDataObject, _
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ByVal GroupName As String, _
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ByVal Tasks As SnapInLib.ITasks)
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On Error GoTo ErrTrap_ExtensionSnapIn_AddTasks
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' If FileExplorer is displaying its welcome taskpad then add our About task.
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If GroupName = "StaticNodeTaskpad" Then
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Dim ViewerTask As Task
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Set ViewerTask = Tasks.Add
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ViewerTask.ActionType = siNotify
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ViewerTask.HelpString = "About the FileViewer Extension Sample..."
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ViewerTask.ImageType = siSymbol
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ViewerTask.FontFamily = "GLYPH 100"
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ViewerTask.EOTFile = "res://mmc.exe/glyph100.eot"
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ViewerTask.SymbolString = "T"
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ViewerTask.Text = "About FileViewer"
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End If
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Exit Sub
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' Error Handler for this method
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ErrTrap_ExtensionSnapIn_AddTasks:
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DisplayError "ExtensionSnapIn_AddTasks"
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End Sub
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' =============================================================================
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' Method: ExtensionSnapIn_TaskClick
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' Type: Event
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' Description: Fired when the user clicks a task owned by the extension snap-in
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' in a default taskpad owned by the extended snap-in.
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'
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' Parameters: DataObject An MMCDataObject that contains the currently
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' selected scope item. The extension snap-in must
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' interpret the data exported by the extended
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' snap-in (in this case FileExplorer exports the
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' data)
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' Task The Task clicked
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'
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' Output: None
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' Notes: We only have one task that displays an "About" message box.
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' =============================================================================
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'
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Private Sub ExtensionSnapIn_TaskClick(ByVal DataObject As SnapInLib.IMMCDataObject, _
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ByVal Task As SnapInLib.ITask)
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On Error GoTo ErrTrap_ExtensionSnapIn_TaskClick
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' Note that as an extension snap-in we do not have access to the
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' ConsoleMsgBox method so we need to use a VB message box.
|
|
|
|
MsgBox "Snap-in Designer for Visual Basic 6.0" & Chr$(13) & Chr$(10) & _
|
|
"Sample Extension to the FileExplorer Sample" & Chr$(13) & Chr$(10) & _
|
|
"Adds taskpad, context menu, property page, and toolbar extensions.", _
|
|
vbOKOnly, "FileViewer"
|
|
|
|
Exit Sub
|
|
|
|
' Error Handler for this method
|
|
ErrTrap_ExtensionSnapIn_TaskClick:
|
|
DisplayError "ExtensionSnapIn_TaskClick"
|
|
|
|
End Sub
|
|
|
|
|
|
' =============================================================================
|
|
' Method: ExtensionSnapIn_CreatePropertyPages
|
|
' Type: Event
|
|
' Description: Fired when the user requests properties for the selected item.
|
|
' Gives the extension snap-in the opportunity to add its pages
|
|
' to the property sheet being displayed
|
|
' by MMC for the selected item.
|
|
'
|
|
' Parameters: DataObject An MMCDataObject that contains the currently
|
|
' selected scope item. The extension snap-in must
|
|
' interpret the data exported by the extended
|
|
' snap-in (in this case FileExplorer exports the
|
|
' data)
|
|
' PropertySheet PropertySheet object used to add the snap-in's
|
|
' property pages.
|
|
'
|
|
' Output: None
|
|
' Notes: For files add the ppgViewFile page. For folders add the
|
|
' ppgDirStats page.
|
|
' An important difference between primary and extensions snap-ins
|
|
' is that the extension does not receive a QueryPagesFor event.
|
|
' The extension is not required to add pages in this event but
|
|
' it will always be fired.
|
|
' =============================================================================
|
|
'
|
|
Private Sub ExtensionSnapIn_CreatePropertyPages(ByVal DataObject As SnapInLib.MMCDataObject, _
|
|
ByVal PropertySheet As SnapInLib.MMCPropertySheet)
|
|
|
|
On Error GoTo ErrTrap_ExtensionSnapIn_CreatePropertyPages
|
|
|
|
Dim Folders() As String
|
|
Dim Folder As String
|
|
Dim Files() As String
|
|
Dim File As String
|
|
Dim i As Integer
|
|
|
|
' Check the exported data formats to determine the nature of the selected
|
|
' items and display the appropriate property pages. For multiple selections pass
|
|
' the index of the folder or path as the InitData parameter. The property page will
|
|
' receive it in IMMCPropertyPage_Initialize and store it for use later in
|
|
' PropertyPage_SelectedControls.
|
|
|
|
' Use "Viewer: <file name>" as the caption.
|
|
|
|
If DataObject.GetFormat("File") Then
|
|
File = FormatData(DataObject.GetData("File"), 1, siString)
|
|
PropertySheet.AddPage "ppgViewFile", "Viewer: " & File
|
|
ElseIf DataObject.GetFormat("Files") Then
|
|
' Get the "Files" format that contains a string array.
|
|
Files = FormatData(DataObject.GetData("Files"), 1, siMultiString)
|
|
For i = 1 To UBound(Files)
|
|
PropertySheet.AddPage "ppgViewFile", "Viewer: " & Files(i), _
|
|
True, False, Str(i)
|
|
Next i
|
|
End If
|
|
|
|
' For folders, there is only one piece of data - the folder's path. We pass that
|
|
' directly in the InitData parameter.
|
|
|
|
' Use "Viewer: <folder path>" as the caption.
|
|
|
|
If DataObject.GetFormat("Folder") Then
|
|
Folder = FormatData(DataObject.GetData("Folder"), 1, siString)
|
|
PropertySheet.AddPage "ppgDirStats", "Viewer: " & Folder, True, False, Folder
|
|
ElseIf DataObject.GetFormat("Folders") Then
|
|
Folders = FormatData(DataObject.GetData("Folders"), 1, siMultiString)
|
|
For i = 1 To UBound(Folders)
|
|
PropertySheet.AddPage "ppgDirStats", "Viewer: " & Folders(i), _
|
|
True, False, Folders(i)
|
|
Next i
|
|
End If
|
|
|
|
Exit Sub
|
|
|
|
' Error Handler for this method
|
|
ErrTrap_ExtensionSnapIn_CreatePropertyPages:
|
|
DisplayError "ExtensionSnapIn_CreatePropertyPages"
|
|
|
|
End Sub
|
|
|
|
|
|
' =============================================================================
|
|
' Method: ExtensionSnapIn_SetControlbar
|
|
' Type: Event
|
|
' Description: Fired before a view is displayed. It allows an extension snap-in
|
|
' to add or remove its toolbars and menu buttons.
|
|
' Parameters: Controlbar A reference to the controlling object that
|
|
' manages the snap-in's toolbars and menu buttons
|
|
' Output: None
|
|
' Notes: Add our toolbar and menu button
|
|
' =============================================================================
|
|
'
|
|
Private Sub ExtensionSnapIn_SetControlbar(ByVal Controlbar As SnapInLib.IMMCControlbar)
|
|
|
|
On Error GoTo ErrTrap_ExtensionSnapIn_SetControlbar
|
|
|
|
Controlbar.Attach tbrViewer
|
|
Controlbar.Attach tbrMenuButton
|
|
|
|
Exit Sub
|
|
|
|
' Error Handler for this method
|
|
ErrTrap_ExtensionSnapIn_SetControlbar:
|
|
DisplayError "ExtensionSnapIn_SetControlbar"
|
|
|
|
End Sub
|
|
|
|
|
|
' =============================================================================
|
|
' Method: ExtensionSnapIn_UpdateControlbar
|
|
' Type: Event
|
|
' Description: Called following a selection change to allow the snap-in to
|
|
' update its toolbar(s) and menu buttons according to the
|
|
' selected item(s).
|
|
' Parameters: SelectionInScopePane Indicates whether the selection is in the
|
|
' scope pane or in the result pane.
|
|
' DataObjects An MMCDataObject collection that contains
|
|
' the current selection. The extension snap-in
|
|
' must interpret the data exported by the
|
|
' extended snap-ins (in this case FileExplorer
|
|
' exports the data)
|
|
' Selected A boolean showing whether the items are
|
|
' being selected or de-selected
|
|
' Controlbar A reference to the controlling object that
|
|
' manages the snap-in's toolbars and menu
|
|
' buttons
|
|
' Output: None
|
|
' Notes: Examine the selection and determine whether to enable the toolbar
|
|
' button. Always enable the menu button. If the user clicks
|
|
' the menu button we will enable/disable the individual menu
|
|
' items according to the selection. (See
|
|
' tbrMenuButton_ButtonDropDown above).
|
|
' =============================================================================
|
|
'
|
|
Private Sub ExtensionSnapIn_UpdateControlbar(ByVal SelectionInScopePane As Boolean, _
|
|
ByVal Selected As Boolean, _
|
|
ByVal DataObjects As SnapInLib.IMMCDataObjects, _
|
|
ByVal Controlbar As SnapInLib.IMMCControlbar)
|
|
|
|
On Error GoTo ErrTrap_ExtensionSnapIn_UpdateControlbar
|
|
|
|
Dim ButtonEnabled As Boolean
|
|
|
|
' If the selected item exports the data format called "File" then it is a
|
|
' file and we enable our "View File" toolbar button.
|
|
|
|
If SelectionInScopePane Or _
|
|
(Not Selected) Or _
|
|
(Not DataObjects(1).GetFormat("File")) Then
|
|
ButtonEnabled = False
|
|
Else
|
|
ButtonEnabled = True
|
|
End If
|
|
|
|
tbrViewer.Buttons(1).Enabled = ButtonEnabled
|
|
|
|
' Always enable the menu button, but enable/disable the menu item in the drop-down
|
|
' based on the selection.
|
|
|
|
tbrMenuButton.Buttons(1).Enabled = True
|
|
tbrMenuButton.Buttons(1).ButtonMenus(1).Grayed = Not ButtonEnabled
|
|
|
|
Exit Sub
|
|
|
|
' Error Handler for this method
|
|
ErrTrap_ExtensionSnapIn_UpdateControlbar:
|
|
DisplayError "ExtensionSnapIn_UpdateControlbar"
|
|
|
|
End Sub
|
|
|
|
|
|
' =============================================================================
|
|
' Method: tbrMenuButton_ButtonMenuClick
|
|
' Type: Event
|
|
' Description: Fired when a Toolbar button is clicked
|
|
'
|
|
' Parameters: Selection A reference to an MMCClipboard object that is
|
|
' holding a reference to the currently selected
|
|
' item(s). Note that even though the selection is
|
|
' held in an MMCClipboard object, its ScopeItems and
|
|
' ListItems collection will always be empty in an
|
|
' extension snap-in because the selected items(s)
|
|
' belong to the extended snap-in (FileExplorer in
|
|
' this case). The extension snap-in must interpret
|
|
' the exported data in MMCClipboard.DataObjects.
|
|
' ButtonMenu A reference to the MMCButtonMenu object attached to
|
|
' the menu item selected.
|
|
' Output: None
|
|
' Notes: Calls DisplayFile to do the work.
|
|
' =============================================================================
|
|
'
|
|
Private Sub tbrMenuButton_ButtonMenuClick(ByVal Selection As SnapInLib.IMMCClipboard, _
|
|
ByVal ButtonMenu As SnapInLib.IMMCButtonMenu)
|
|
DisplayFile Selection
|
|
End Sub
|
|
|
|
' =============================================================================
|
|
' Method: tbrViewer_ButtonClick
|
|
' Type: Event
|
|
' Description: Fired when a Toolbar button is clicked
|
|
'
|
|
' Parameters: Selection A reference to an MMCClipboard object that is
|
|
' holding a reference to the currently selected
|
|
' item(s). Note that even though the selection is
|
|
' held in an MMCClipboard object, its ScopeItems and
|
|
' ListItems collection will always be empty in an
|
|
' extension snap-in because the selected items(s)
|
|
' belong to the extended snap-in (FileExplorer in
|
|
' this case). The extension snap-in must interpret
|
|
' the exported data in MMCClipboard.DataObjects.
|
|
' Button A reference to the MMCButton object attached to
|
|
' the toolbar button clicked.
|
|
' Output: None
|
|
' Notes: Calls DisplayFile to do the work.
|
|
' =============================================================================
|
|
'
|
|
Private Sub tbrViewer_ButtonClick(ByVal Selection As SnapInLib.IMMCClipboard, _
|
|
ByVal Button As SnapInLib.IMMCButton)
|
|
DisplayFile Selection
|
|
End Sub
|
|
|
|
' =============================================================================
|
|
' Method: ViewFile_Click
|
|
' Type: Event
|
|
' Description: Fired when the "View File..." context menu item is selected.
|
|
'
|
|
' Parameters: Index This will always be 1 as we are directly handling
|
|
' the event on the individual menu item rather than
|
|
' the event on its parent.
|
|
' Selection A reference to an MMCClipboard object that is
|
|
' holding a reference to the currently selected
|
|
' item(s). Note that even though the selection is
|
|
' held in an MMCClipboard object, its ScopeItems and
|
|
' ListItems collection will always be empty in an
|
|
' extension snap-in because the selected items(s)
|
|
' belong to the extended snap-in (FileExplorer in
|
|
' this case). The extension snap-in must interpret
|
|
' the exported data in MMCClipboard.DataObjects.
|
|
' Output: None
|
|
' Notes: Calls DisplayFile to do the work.
|
|
' =============================================================================
|
|
'
|
|
Private Sub ViewFile_Click(ByVal Index As Long, _
|
|
ByVal Selection As SnapInLib.IMMCClipboard)
|
|
DisplayFile Selection
|
|
End Sub
|
|
|
|
|
|
' =============================================================================
|
|
' Method: DisplayFile
|
|
' Type: Event
|
|
' Description: Fired when the "View File..." context menu item is selected.
|
|
'
|
|
' Parameters: Selection A reference to an MMCClipboard object that is
|
|
' holding a reference to the currently selected
|
|
' item(s). Note that even though the selection is
|
|
' held in an MMCClipboard object, its ScopeItems and
|
|
' ListItems collection will always be empty in an
|
|
' extension snap-in because the selected items(s)
|
|
' belong to the extended snap-in (FileExplorer in
|
|
' this case). The extension snap-in must interpret
|
|
' the exported data in MMCClipboard.DataObjects.
|
|
' Output: None
|
|
' Notes: Gets the file name from the exported data and displays the
|
|
' file viewer form
|
|
' =============================================================================
|
|
'
|
|
Private Sub DisplayFile(Selection As MMCClipboard)
|
|
|
|
On Error GoTo ErrTrap_DisplayFile
|
|
|
|
Dim FileName As String
|
|
Dim Path As String
|
|
Dim ViewerForm As frmFileViewer
|
|
|
|
' If there is anything other than a single data object then we ignore it
|
|
' as FileExplorer exports one MMCDataObject with the format "File" when the
|
|
' selected item is a single file.
|
|
|
|
If Selection.DataObjects.Count <> 1 Then
|
|
Exit Sub
|
|
End If
|
|
|
|
' If the "File" format is present then extract the name display our form
|
|
' with the contents of the file.
|
|
|
|
If Not Selection.DataObjects(1).GetFormat("File") Then
|
|
Exit Sub
|
|
End If
|
|
|
|
FileName = Selection.DataObjects(1).GetData("File")
|
|
Path = Selection.DataObjects(1).GetData("Path")
|
|
Set ViewerForm = New frmFileViewer
|
|
ViewerForm.DisplayFile Path, FileName
|
|
Unload ViewerForm
|
|
|
|
Exit Sub
|
|
|
|
' Error Handler for this method
|
|
ErrTrap_DisplayFile:
|
|
DisplayError "DisplayFile"
|
|
|
|
End Sub
|
|
|
|
' =============================================================================
|
|
' Method: DisplayError
|
|
' Type: Subroutine
|
|
' Description: A method to format and display a runtime error
|
|
' Parameters: szLocation A string identifying the source location
|
|
' (i.e. method name) where the error occurred
|
|
' Output: None
|
|
' Notes: The error will be displayed in a messagebox formatted as the
|
|
' following sample:
|
|
'
|
|
' Method: SomeMethodName
|
|
' Source: MMCListSubItems
|
|
' Error: 2527h (9511)
|
|
' Description: There is already an item in the collection that has the specified key
|
|
'
|
|
' =============================================================================
|
|
'
|
|
Private Sub DisplayError(szLocation As String)
|
|
|
|
' Note that as an extension snap-in we do not have access to the
|
|
' ConsoleMsgBox method so we need to use a VB message box.
|
|
|
|
MsgBox "Method:" & vbTab & vbTab & szLocation & vbCrLf _
|
|
& "Source:" & vbTab & vbTab & Err.Source & vbCrLf _
|
|
& "Error:" & vbTab & vbTab & Hex(Err.Number) & "h (" & CStr(Err.Number) & ")" & vbCrLf _
|
|
& "Description:" & vbTab & Err.Description, _
|
|
vbCritical, "FileViewerExtension Runtime Error"
|
|
End Sub
|