648 lines
18 KiB
C++
648 lines
18 KiB
C++
#include "pch.h"
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#pragma hdrstop
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#include "foldinc.h" // Standard shell\folder includes
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#include "conprops.h"
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#include "ncnetcon.h"
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#include "foldres.h"
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class CConnectionPropPages
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{
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public:
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CConnectionPropPages();
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~CConnectionPropPages();
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ULONG CntPages() {return m_culPages;}
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HPROPSHEETPAGE * PHPages() {return m_rghPages;}
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static BOOL FAddPropSheet(HPROPSHEETPAGE hPage, LPARAM lParam);
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private:
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ULONG m_culPages;
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ULONG m_ulPageBufferLen;
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HPROPSHEETPAGE * m_rghPages;
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};
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CConnectionPropPages::CConnectionPropPages()
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{
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m_culPages = 0;
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m_ulPageBufferLen = 0;
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m_rghPages = NULL;
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}
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CConnectionPropPages::~CConnectionPropPages()
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{
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delete [] (BYTE *)(m_rghPages);
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}
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//
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// Function: CConnectionPropPages::FAddPropSheet
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//
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// Purpose: Callback function for the AddPages API used to accept
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// connection property pages handed back from a provider.
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//
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// Parameters: hPage [IN] - The page to add
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// lParam [IN] - 'this' casted to an LPARAM
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//
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// Returns: BOOL, TRUE if the page was successfully added.
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//
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BOOL
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CConnectionPropPages::FAddPropSheet(HPROPSHEETPAGE hPage, LPARAM lParam)
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{
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CConnectionPropPages * pCPP = NULL;
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// Validate the input parameters
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//
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if ((0L == lParam) || (NULL == hPage))
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{
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Assert(lParam);
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Assert(hPage);
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TraceHr(ttidShellFolder, FAL, E_INVALIDARG, FALSE, "CConnectionPropPages::FAddPropSheet");
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return FALSE;
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}
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pCPP = reinterpret_cast<CConnectionPropPages*>(lParam);
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// Grow the buffer if necessary
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//
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if (pCPP->m_culPages == pCPP->m_ulPageBufferLen)
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{
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HPROPSHEETPAGE* rghPages = NULL;
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rghPages = (HPROPSHEETPAGE*)(new BYTE[sizeof(HPROPSHEETPAGE) *
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(pCPP->m_ulPageBufferLen + 10)]);
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if (NULL == rghPages)
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{
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TraceHr(ttidShellFolder, FAL, E_OUTOFMEMORY, FALSE, "CConnectionPropPages::FAddPropSheet");
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return FALSE;
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}
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// Copy the existing pages to the new buffer
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//
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memcpy(rghPages, pCPP->m_rghPages,
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sizeof(HPROPSHEETPAGE) * pCPP->m_ulPageBufferLen);
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delete [] (BYTE *)(pCPP->m_rghPages);
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pCPP->m_rghPages = rghPages;
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pCPP->m_ulPageBufferLen += 10;
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}
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// Retain the new page
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//
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pCPP->m_rghPages[pCPP->m_culPages++] = hPage;
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return TRUE;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrUIInterfaceFromNetCon
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//
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// Purpose: Get the INetConnectionPropertyUI interface from an
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// INetConnection pointer.
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//
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// Arguments:
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// pconn [in] Valid INetConnection *
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// riid [in] IID of desired interface
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// ppv [out] Returned pointer to the interface
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//
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// Returns:
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//
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// Author: jeffspr 12 Nov 1997
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//
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// Notes:
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//
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HRESULT HrUIInterfaceFromNetCon(
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INetConnection * pconn,
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REFIID riid,
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LPVOID * ppv)
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{
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HRESULT hr = S_OK;
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CLSID clsid;
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Assert(pconn);
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Assert(ppv);
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// Validate the parameters.
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//
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if ((NULL == pconn) || (NULL == ppv))
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{
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hr = E_INVALIDARG;
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goto Error;
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}
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// Initailize the output parameter.
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//
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*ppv = NULL;
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// Get the CLSID of the object which can provide the particular interface.
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//
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hr = pconn->GetUiObjectClassId(&clsid);
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if (FAILED(hr))
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{
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goto Error;
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}
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// Create this object asking for the specified interface.
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//
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hr = CoCreateInstance(clsid, NULL,
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CLSCTX_INPROC_SERVER | CLSCTX_NO_CODE_DOWNLOAD, riid, ppv);
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Error:
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TraceHr(ttidError, FAL, hr, (E_NOINTERFACE == hr),
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"HrUIInterfaceFromNetCon");
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrGetPropertiesCaption
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//
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// Purpose: Generate the caption for a property page
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//
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// Arguments:
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// pconn [in] Connection pointer passed in from the shell
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// ppszCaption [out] Resultant property page caption if successful
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//
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// Returns:
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//
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// Notes:
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//
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HRESULT HrGetPropertiesCaption(INetConnection * pconn, PWSTR * ppszCaption)
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{
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HRESULT hr;
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Assert(pconn);
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Assert(ppszCaption);
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// Try to get the connection name
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//
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NETCON_PROPERTIES* pProps;
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hr = pconn->GetProperties(&pProps);
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if (SUCCEEDED(hr))
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{
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Assert (pProps->pszwName);
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_STRING |
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FORMAT_MESSAGE_ARGUMENT_ARRAY,
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SzLoadIds(IDS_CONPROP_CAPTION),
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0, 0, (PWSTR)ppszCaption, 0,
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(va_list *)&pProps->pszwName);
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FreeNetconProperties(pProps);
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}
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TraceHr(ttidError, FAL, hr, FALSE,"HrGetPropertiesCaption");
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ActivatePropertyDialog
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//
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// Purpose: Try to locate a property dialog associated with pconn
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// then bring it to the foreground.
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//
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// Arguments:
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// pconn [in] Connection pointer passed in from the shell
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//
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// Returns:
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//
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// Notes:
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//
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VOID ActivatePropertyDialog(INetConnection * pconn)
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{
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PWSTR pszCaption = NULL;
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if (SUCCEEDED(HrGetPropertiesCaption(pconn, &pszCaption)))
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{
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Assert(pszCaption);
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// Find the dialog with this caption
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//
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HWND hwnd = FindWindow(NULL, pszCaption);
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if (IsWindow(hwnd))
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{
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SetForegroundWindow(hwnd);
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}
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LocalFree (pszCaption);
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrSetPropertiesTaskbarIcon
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//
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// Purpose: Setup the dialog property sheet's taskbar icon.
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//
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// Arguments:
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// hwndDlg [in] Dialog handle
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// uMsg [in] Message value
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// lparam [in] Long parameter
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//
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// Returns: 0
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//
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// Notes: A standard Win32 commctrl PropSheetProc always return 0.
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// See MSDN documentation.
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//
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int CALLBACK HrSetPropertiesTaskbarIcon(
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IN HWND hwndDlg,
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IN UINT uMsg,
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IN LPARAM lparam)
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{
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switch (uMsg)
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{
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case PSCB_INITIALIZED:
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// Set the dialog window's icon
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// NTRAID#NTBUG9-366302-2001/04/11-roelfc Alt-tab icon
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// This requires a re-architecture in order to be able to retrieve
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// the appropiate icon for the property page through the
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// IID_INetConnectionPropertyUi2 interface.
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// In the mean time, we query the small icon through the only link we have,
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// the dialog handle, and assign it as the big icon as well. Stretching the
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// small icon is better than nothing at all...
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HICON hIcon;
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hIcon = (HICON)SendMessage(hwndDlg,
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WM_GETICON,
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ICON_SMALL,
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0);
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Assert(hIcon);
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if (hIcon)
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{
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SendMessage(hwndDlg,
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WM_SETICON,
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ICON_BIG,
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(LPARAM)hIcon);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrRaiseConnectionPropertiesInternal
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//
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// Purpose: Bring up the propsheet page UI for the passed in connection
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//
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// Arguments:
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// hwnd [in] Owner hwnd
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// pconn [in] Connection pointer passed in from the shell
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//
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// Returns:
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//
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// Author: jeffspr 12 Nov 1997
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//
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// Notes:
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//
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HRESULT HrRaiseConnectionPropertiesInternal(HWND hwnd, UINT nStartPage, INetConnection * pconn)
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{
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HRESULT hr = NOERROR;
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INetConnectionPropertyUi * pPUI = NULL;
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PWSTR pszCaption = NULL;
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Assert(pconn);
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hr = HrUIInterfaceFromNetCon(pconn, IID_INetConnectionPropertyUi,
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reinterpret_cast<void**>(&pPUI));
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if (E_NOINTERFACE == hr)
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{
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// What we want to check for here, is an object that when QI'd doesn't support IID_INetConnectionPropertyUi
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// but support IID_INetConnectionPropertyUi2.
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//
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// A reinterpret style-downcast directly from the QI would have been ok since INetConnectionPropertyUi2 inherit from
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// INetConnectionPropertyUi. Hence an object can't multi-inherit from both, so we'll never have both vtable entries.
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// We could simply get the INetConnectionPropertyUi2 vtable entry and treat it like an INetConnectionPropertyUi.
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//
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// However, I'm doing the dynamic cast anyway since a cast-to-wrong-vtable is one of the most difficult
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// bugs to spot.
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INetConnectionPropertyUi2 *pPUI2 = NULL;
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hr = HrUIInterfaceFromNetCon(pconn, IID_INetConnectionPropertyUi2,
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reinterpret_cast<void**>(&pPUI2));
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if (SUCCEEDED(hr))
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{
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pPUI = dynamic_cast<INetConnectionPropertyUi *>(pPUI2);
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}
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}
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if (SUCCEEDED(hr))
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{
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INetConnectionUiLock * pUiLock = NULL;
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// Try to get the connection name
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//
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(VOID)HrGetPropertiesCaption(pconn, &pszCaption);
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Assert(pPUI);
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hr = pPUI->QueryInterface(IID_INetConnectionUiLock, (LPVOID *)&pUiLock);
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if (SUCCEEDED(hr))
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{
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// If the interface exists, we have work to do.
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PWSTR pszwMsg = NULL;
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hr = pUiLock->QueryLock(&pszwMsg);
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ReleaseObj(pUiLock);
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if (S_FALSE == hr)
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{
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// Format the error text
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//
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PWSTR pszText = NULL;
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PCWSTR pcszwTemp = pszwMsg;
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if (NULL == pcszwTemp)
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{
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// Load <Unknown Application>
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//
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pcszwTemp = SzLoadIds(IDS_CONPROP_GENERIC_COMP);
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}
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Assert(pcszwTemp);
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_STRING |
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FORMAT_MESSAGE_ARGUMENT_ARRAY,
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SzLoadIds(IDS_CONPROP_NO_WRITE_LOCK),
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0, 0, (PWSTR)&pszText, 0,
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(va_list *)&pcszwTemp);
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if (pszwMsg)
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{
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CoTaskMemFree(pszwMsg);
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}
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// No UI, couldn't acquire the lock
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//
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if (pszText)
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{
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MessageBox(hwnd, pszText,
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(pszCaption ? pszCaption : c_szEmpty),
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MB_OK | MB_ICONERROR);
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LocalFree(pszText);
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}
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goto Error;
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}
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else if (FAILED(hr))
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{
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goto Error;
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}
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}
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BOOL fShouldDestroyIcon = FALSE;
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hr = pPUI->SetConnection(pconn);
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if (SUCCEEDED(hr))
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{
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CComPtr<INetConnectionPropertyUi2> pUI2;
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HICON hIcon = NULL;
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DWORD dwDisplayIcon = 0;
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hr = pPUI->QueryInterface(IID_INetConnectionPropertyUi2, reinterpret_cast<LPVOID *>(&pUI2) );
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if (SUCCEEDED(hr))
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{
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Assert(GetSystemMetrics(SM_CXSMICON) == GetSystemMetrics(SM_CYSMICON));
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hr = pUI2->GetIcon(GetSystemMetrics(SM_CXSMICON), &hIcon);
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if (SUCCEEDED(hr))
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{
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fShouldDestroyIcon = TRUE;
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dwDisplayIcon = PSH_USEHICON;
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}
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else
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{
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hIcon = NULL;
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}
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}
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else
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{
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TraceTag(ttidError, "QI for INetConnectionPropertyUi2 failed using Default Icon");
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hIcon = LoadIcon(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDI_CONNECTIONS_FOLDER_LARGE2));
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if (hIcon)
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{
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dwDisplayIcon = PSH_USEHICON;
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}
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}
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Assert(hIcon);
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CConnectionPropPages CPP;
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// Get the pages from the provider
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hr = pPUI->AddPages(hwnd,
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CConnectionPropPages::FAddPropSheet,
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reinterpret_cast<LPARAM>(&CPP));
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// If any pages were returned, display them
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if (SUCCEEDED(hr) && CPP.CntPages())
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{
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PROPSHEETHEADER psh;
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ZeroMemory (&psh, sizeof(psh));
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psh.dwSize = sizeof( PROPSHEETHEADER );
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psh.dwFlags = PSH_NOAPPLYNOW | PSH_USECALLBACK | dwDisplayIcon;
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psh.hwndParent = hwnd;
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psh.hInstance = _Module.GetResourceInstance();
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psh.pszCaption = pszCaption;
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psh.nPages = CPP.CntPages();
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psh.phpage = CPP.PHPages();
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psh.hIcon = hIcon;
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psh.nStartPage = nStartPage;
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psh.pfnCallback = HrSetPropertiesTaskbarIcon;
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// nRet used for debugging only
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//
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int nRet = PropertySheet(&psh);
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if (fShouldDestroyIcon)
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{
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DestroyIcon(hIcon);
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}
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}
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}
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Error:
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ReleaseObj(pPUI);
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}
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// Cleanup
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//
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if (pszCaption)
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{
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LocalFree (pszCaption);
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}
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TraceHr(ttidShellFolder, FAL, hr, FALSE, "HrRaiseConnectionProperties");
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrHandleDisconnectHResult
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//
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// Purpose: Put up the message box assocated with an HRESULT from
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// a diconnect operation if the HRESULT represents a failure.
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// Also translate any success codes back to S_OK as needed.
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//
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// Arguments:
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// hr [in] The HRESULT returned from a connection disconnect method.
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// pconn [in] INetConnection* for checking if this is a LAN or RAS connection.
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//
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// Returns: The translated HRESULT if needed
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//
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// Author: shaunco 3 Jun 1999
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//
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HRESULT HrHandleDisconnectHResult(HRESULT hr, INetConnection * pconn)
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{
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if (FAILED(hr))
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{
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NETCON_PROPERTIES* pProps = NULL;
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UINT nFailureCaptionID;
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UINT nFailureMessageID;
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TraceHr(ttidShellFolder, FAL, hr, FALSE, "pNetCon->Disconnect() failed");
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// Assume that is is a RAS/DIALUP connection unless we find otherwise
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nFailureCaptionID = IDS_CONFOLD_DISCONNECT_FAILURE_CAPTION;
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nFailureMessageID = IDS_CONFOLD_DISCONNECT_FAILURE;
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hr = pconn->GetProperties(&pProps);
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if (SUCCEEDED(hr))
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{
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if (NCM_LAN == pProps->MediaType)
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{
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nFailureCaptionID = IDS_CONFOLD_DISABLE_FAILURE_CAPTION;
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nFailureMessageID = IDS_CONFOLD_DISABLE_FAILURE;
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}
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FreeNetconProperties(pProps);
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}
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// Ignore the return from this, since we only allow OK
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//
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(void) NcMsgBox(
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_Module.GetResourceInstance(),
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NULL,
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nFailureCaptionID,
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nFailureMessageID,
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MB_OK | MB_ICONEXCLAMATION);
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}
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else
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{
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// If we get the object_nlv return, it means that the connection
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// is deleted on disconnect and we shouldn't perform an update of
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// that connection. We can normalize this for now, as we'll let the
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// notifysink take care of the delete update.
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//
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if (S_OBJECT_NO_LONGER_VALID == hr)
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{
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hr = S_OK;
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}
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}
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrConnectOrDisconnectNetConObject
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//
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// Purpose: Bring up the connection UI and make the connection for the
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// passed in connection.
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//
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// Arguments:
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// hwnd [in] Owner hwnd
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// pconn [in] Connection pointer passed in from the shell
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// Flag [in] CD_CONNECT or CD_DISCONNECT.
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//
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// Returns:
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//
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// Author: jeffspr 12 Nov 1997
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//
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// Notes:
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//
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HRESULT HrConnectOrDisconnectNetConObject(HWND hwnd, INetConnection * pconn,
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CDFLAG Flag)
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{
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HRESULT hr = NOERROR;
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INetConnectionConnectUi * pCUI = NULL;
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Assert(pconn);
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// Get the INetConnectionConnectUi interface from the connection
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//
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hr = HrUIInterfaceFromNetCon(pconn, IID_INetConnectionConnectUi,
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reinterpret_cast<void**>(&pCUI));
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if (SUCCEEDED(hr))
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{
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Assert(pCUI);
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// Set the connection on the UI object
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//
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hr = pCUI->SetConnection(pconn);
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if (SUCCEEDED(hr))
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{
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if (CD_CONNECT == Flag)
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{
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// Connect, dangit!
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//
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hr = pCUI->Connect(hwnd, NCUC_DEFAULT);
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if (SUCCEEDED(hr))
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{
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// heh heh, uhhhh, heh heh. Cool.
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}
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else if (HRESULT_FROM_WIN32(ERROR_NOT_CONNECTED) == hr)
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{
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// Ignore the return from this, since we only allow OK
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//
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(void) NcMsgBox(
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_Module.GetResourceInstance(),
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hwnd,
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IDS_CONFOLD_CONNECT_FAILURE_CAPTION,
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IDS_CONFOLD_CONNECT_FAILURE,
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MB_OK | MB_ICONEXCLAMATION);
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}
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}
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else
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{
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// Disconnect the connection object
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//
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hr = pCUI->Disconnect(hwnd, NCUC_DEFAULT);
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hr = HrHandleDisconnectHResult(hr, pconn);
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}
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}
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ReleaseObj(pCUI);
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}
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else if ((E_NOINTERFACE == hr) && (CD_DISCONNECT == Flag))
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{
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// Incoming connection objects do not have a UI interface
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// so we disconect them on the object itself.
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//
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hr = pconn->Disconnect ();
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hr = HrHandleDisconnectHResult(hr, pconn);
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}
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AssertSz(E_NOINTERFACE != hr,
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"Should not have been able to attempt connection on object that doesn't support this interface");
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TraceHr(ttidShellFolder, FAL, hr, (E_NOINTERFACE == hr),
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"HrConnectOrDisconnectNetConObject");
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return hr;
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}
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