61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999 - 1999
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//
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// File: treeobsv.h
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//
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//--------------------------------------------------------------------------
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#ifndef _TREEOBSV_H_
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#define _TREEOBSV_H_
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#include "observer.h"
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typedef LONG_PTR TREEITEMID;
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// Tree item attributes
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const DWORD TIA_NAME = 0x00000001;
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const DWORD TIA_IMAGE = 0x00000002;
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// observer styles
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const DWORD TOBSRV_HIDEROOT = 0x00000001; // Don't display root item
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const DWORD TOBSRV_FOLDERSONLY = 0x00000002; // Show only folder items
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const TREEITEMID TREEID_ROOT = static_cast<TREEITEMID>(-1);
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const TREEITEMID TREEID_LAST = static_cast<TREEITEMID>(-2);
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class CTreeObserver
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{
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public:
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STDMETHOD (SetStyle) (DWORD dwStyle) = 0;
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STDMETHOD_(void, ItemAdded) (TREEITEMID tid) = 0;
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STDMETHOD_(void, ItemRemoved) (TREEITEMID tidParent, TREEITEMID tidRemoved) = 0;
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STDMETHOD_(void, ItemChanged) (TREEITEMID tid, DWORD dwAttrib) = 0;
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};
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class CTreeSource
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{
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public:
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STDMETHOD_(TREEITEMID, GetRootItem) () = 0;
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STDMETHOD_(TREEITEMID, GetParentItem) (TREEITEMID tid) = 0;
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STDMETHOD_(TREEITEMID, GetChildItem) (TREEITEMID tid) = 0;
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STDMETHOD_(TREEITEMID, GetNextSiblingItem) (TREEITEMID tid) = 0;
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STDMETHOD_(LPARAM, GetItemParam) (TREEITEMID tid) = 0;
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STDMETHOD_(void, GetItemName) (TREEITEMID tid, LPTSTR pszName, int cchMaxName) = 0;
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STDMETHOD_(int, GetItemImage) (TREEITEMID tid) = 0;
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STDMETHOD_(int, GetItemOpenImage)(TREEITEMID tid) = 0;
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STDMETHOD_(BOOL, IsFolderItem) (TREEITEMID tid) = 0;
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};
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#endif // _TREEOBSV_H_
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