Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 2000
//
// File: findview.h
//
//--------------------------------------------------------------------------
/*+-------------------------------------------------------------------------*
*
* FindMMCView
*
* PURPOSE: Locates the amcview window that is an ancestor of the specified window.
*
* PARAMETERS:
* HWND hwnd : [in] The window whose ancestor amcview needs to be located
*
* RETURNS:
* inline HWND : The ancestor AmcView window, or NULL if not found
*
*+-------------------------------------------------------------------------*/
inline HWND FindMMCView(HWND hwnd)
{
// Get the childframe handle.
do
{
TCHAR buffer[MAX_PATH];
if (::GetClassName (hwnd, buffer, MAX_PATH))
{
if (!_tcscmp (buffer, g_szChildFrameClassName))
break;
}
} while (hwnd = ::GetParent (hwnd));
// Get the AMCView handle from Childframe handle.
if (hwnd)
hwnd = ::GetDlgItem(hwnd, 0xE900 /*AFX_IDW_PANE_FIRST*/);
return hwnd;
}
/*+-------------------------------------------------------------------------*
*
* FindMMCView
*
* PURPOSE: Same as above, but allows a takes a CComControlBase reference as the input parameters
*
* PARAMETERS:
* CComControlBase& rCtrl :
*
* RETURNS:
* HWND WINAPI
*
*+-------------------------------------------------------------------------*/
HWND inline FindMMCView(CComControlBase& rCtrl)
{
HWND hwnd = NULL;
// Try to get client window from client site or in-place site interfaces
if (rCtrl.m_spInPlaceSite)
{
rCtrl.m_spInPlaceSite->GetWindow(&hwnd);
}
else if (rCtrl.m_spClientSite)
{
CComPtr<IOleWindow> spWindow;
if ( SUCCEEDED(rCtrl.m_spClientSite->QueryInterface(IID_IOleWindow, (void **)&spWindow)) )
{
spWindow->GetWindow(&hwnd);
}
}
return FindMMCView(hwnd);
}