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729 lines
12 KiB
729 lines
12 KiB
/*++
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Copyright (C) Microsoft Corporation, 1994 - 1998
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All rights reserved.
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Module Name:
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GenWin.cxx
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Abstract:
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Generic window handler
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Author:
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Albert Ting (AlbertT) 21-May-1994
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Revision History:
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--*/
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#include "precomp.hxx"
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#pragma hdrstop
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/********************************************************************
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Generic window
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********************************************************************/
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MGenericWin::
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MGenericWin(
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VOID
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)
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{
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}
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MGenericWin::
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~MGenericWin(
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VOID
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)
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{
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}
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LRESULT
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MGenericWin::
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nHandleMessage(
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Handles wndproc processing before the dlg is setup, and after
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it has been torn down.
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Arguments:
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Standard window parameters.
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Return Value:
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LResult
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--*/
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{
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switch( uMsg ){
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case WM_DESTROY:
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break;
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default:
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return DefWindowProc( hwnd(), uMsg, wParam, lParam );
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}
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return 0;
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}
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LPARAM APIENTRY
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MGenericWin::
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SetupWndProc(
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IN HWND hwnd,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Setup the wndproc and initialize GWL_USERDATA.
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Arguments:
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Standard wndproc parms.
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Return Value:
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--*/
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{
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MGenericWin* pGenericWin;
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if( WM_NCCREATE == uMsg ){
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pGenericWin = (MGenericWin*)((LPCREATESTRUCT)lParam)->lpCreateParams;
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pGenericWin->_hwnd = hwnd;
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SetWindowLongPtr( hwnd,
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GWLP_USERDATA,
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(LONG_PTR)pGenericWin );
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SetWindowLongPtr( hwnd,
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GWLP_WNDPROC,
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(LONG_PTR)&MGenericWin::ThunkWndProc );
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return pGenericWin->nHandleMessage( uMsg,
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wParam,
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lParam );
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}
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return DefWindowProc( hwnd, uMsg, wParam, lParam );
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}
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LPARAM APIENTRY
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MGenericWin::
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ThunkWndProc(
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HWND hwnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam
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)
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/*++
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Routine Description:
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Generic thunk from wndproc style parm passing to object passing.
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Arguments:
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Standard wndproc parms.
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Return Value:
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--*/
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{
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MGenericWin* pGenericWin;
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pGenericWin = (MGenericWin*)GetWindowLongPtr( hwnd, GWLP_USERDATA );
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if( WM_NCDESTROY == uMsg ){
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LRESULT lResult = pGenericWin->nHandleMessage( uMsg,
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wParam,
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lParam );
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SetWindowLongPtr( hwnd, GWLP_USERDATA, 0 );
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SetWindowLongPtr( hwnd, GWLP_WNDPROC, (LONG_PTR)&MGenericWin::SetupWndProc );
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return lResult;
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}
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SPLASSERT( pGenericWin );
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return pGenericWin->nHandleMessage( uMsg,
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wParam,
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lParam );
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}
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BOOL
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MGenericWin::
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bSetText(
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LPCTSTR pszTitle
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)
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{
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return SetWindowText( _hwnd, pszTitle );
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}
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VOID
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MGenericWin::
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vForceCleanup(
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VOID
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)
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{
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SetWindowLongPtr( _hwnd, GWLP_USERDATA, 0L );
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}
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/********************************************************************
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Property Sheet procs
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********************************************************************/
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MGenericProp::
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MGenericProp(
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VOID
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)
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{
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}
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MGenericProp::
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~MGenericProp(
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VOID
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)
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{
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}
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BOOL
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MGenericProp::
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bHandleMessage(
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Handles Propproc processing before the window is setup and after
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it is torn down.
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Arguments:
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Standard window parameters.
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Return Value:
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TRUE/FALSE
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--*/
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{
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UNREFERENCED_PARAMETER( uMsg );
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UNREFERENCED_PARAMETER( wParam );
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UNREFERENCED_PARAMETER( lParam );
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return FALSE;
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}
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BOOL
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MGenericProp::
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bCreate(
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VOID
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)
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/*++
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Routine Description:
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This function specifies an application-defined callback function that
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a property sheet calls when a page is created and when it is about to
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be destroyed. An application can use this function to perform
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initialization and cleanup operations for the page.
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Called when a PSPCB_CREATE message is sent.
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Arguments:
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None.
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Return Value:
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A page is being created. Return nonzero to allow the page to
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be created or zero to prevent it.
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--*/
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{
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return TRUE;
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}
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VOID
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MGenericProp::
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vDestroy(
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VOID
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)
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/*++
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Routine Description:
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This function specifies an application-defined callback function that
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a property sheet calls when a page is created and when it is about to
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be destroyed. An application can use this function to perform
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initialization and cleanup operations for the page.
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Called when a PSPCB_RELEASE message is sent.
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Arguments:
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None.
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Return Value:
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A page is being destroyed. The return value is ignored.
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--*/
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{
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}
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INT_PTR APIENTRY
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MGenericProp::
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SetupDlgProc(
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IN HWND hDlg,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Setup the wndproc and initialize GWL_USERDATA.
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Arguments:
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Standard wndproc parms.
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Return Value:
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History:
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Lazar Ivanov (LazarI) - Aug-2000 (redesign)
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--*/
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{
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BOOL bRet = FALSE;
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MGenericProp* pThis = NULL;
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if( WM_INITDIALOG == uMsg )
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{
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pThis = reinterpret_cast<MGenericProp*>(reinterpret_cast<LPPROPSHEETPAGE>(lParam)->lParam);
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if( pThis )
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{
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pThis->_hDlg = hDlg;
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SetWindowLongPtr(hDlg, DWLP_USER, reinterpret_cast<LONG_PTR>(pThis));
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bRet = pThis->bHandleMessage(uMsg, wParam, lParam);
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}
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}
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else
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{
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pThis = reinterpret_cast<MGenericProp*>(GetWindowLongPtr(hDlg, DWLP_USER));
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if( pThis )
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{
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bRet = pThis->bHandleMessage(uMsg, wParam, lParam);
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if( WM_DESTROY == uMsg )
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{
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// our window is about to go away, so we need to cleanup DWLP_USER here
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SetWindowLongPtr(hDlg, DWLP_USER, 0);
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}
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}
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}
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return bRet;
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}
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UINT CALLBACK
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MGenericProp::
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CallbackProc(
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HWND hDlg,
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UINT uMsg,
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LPPROPSHEETPAGE ppsp
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)
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/*++
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Routine Description:
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This function specifies an application-defined callback function that
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a property sheet calls when a page is created and when it is about to
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be destroyed. An application can use this function to perform
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initialization and cleanup operations for the page.
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PSPCB_CREATE - A page is being created. Return nonzero to allow
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the page to be created or zero to prevent it.
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PSPCB_RELEASE - A page is being destroyed. The return value is ignored.
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Arguments:
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None.
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Return Value:
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A page is being destroyed. The return value is ignored.
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--*/
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{
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BOOL bStatus;
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MGenericProp* pGenericProp;
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pGenericProp = (MGenericProp*)ppsp->lParam;
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SPLASSERT( pGenericProp );
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switch( uMsg ){
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case PSPCB_CREATE:
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bStatus = pGenericProp->bCreate();
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break;
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case PSPCB_RELEASE:
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pGenericProp->vDestroy();
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bStatus = FALSE;
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break;
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default:
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bStatus = FALSE;
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}
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return bStatus;
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}
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BOOL
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MGenericProp::
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bSetText(
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LPCTSTR pszTitle
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)
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{
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return SetWindowText( _hDlg, pszTitle );
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}
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VOID
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MGenericProp::
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vForceCleanup(
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VOID
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)
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{
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SetWindowLongPtr( _hDlg, DWLP_USER, 0L );
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}
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VOID
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MGenericProp::
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vSetDlgMsgResult(
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LONG_PTR lResult
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)
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{
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SetWindowLongPtr( _hDlg, DWLP_MSGRESULT, (LPARAM)lResult );
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}
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VOID
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MGenericProp::
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vSetParentDlgMsgResult(
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LRESULT lResult
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)
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{
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SetWindowLongPtr( GetParent( _hDlg ), DWLP_MSGRESULT, (LPARAM)lResult );
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}
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/********************************************************************
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Dialog procs
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********************************************************************/
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MGenericDialog::
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MGenericDialog(
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VOID
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)
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{
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}
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MGenericDialog::
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~MGenericDialog(
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VOID
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)
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{
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}
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BOOL
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MGenericDialog::
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bHandleMessage(
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Handles dialog proc processing before the window is setup and after
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it is torn down.
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Arguments:
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Standard window parameters.
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Return Value:
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TRUE/FALSE
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--*/
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{
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UNREFERENCED_PARAMETER( uMsg );
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UNREFERENCED_PARAMETER( wParam );
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UNREFERENCED_PARAMETER( lParam );
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return FALSE;
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}
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INT_PTR APIENTRY
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MGenericDialog::
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SetupDlgProc(
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IN HWND hDlg,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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/*++
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Routine Description:
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Setup the wndproc and initialize GWL_USERDATA.
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Arguments:
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Standard wndproc parms.
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Return Value:
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History:
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Lazar Ivanov (LazarI) - Aug-2000 (redesign)
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--*/
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{
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BOOL bRet = FALSE;
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MGenericDialog *pThis = NULL;
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if( WM_INITDIALOG == uMsg )
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{
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pThis = reinterpret_cast<MGenericDialog*>(lParam);
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if( pThis )
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{
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pThis->_hDlg = hDlg;
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SetWindowLongPtr(hDlg, DWLP_USER, reinterpret_cast<LONG_PTR>(pThis));
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bRet = pThis->bHandleMessage(uMsg, wParam, lParam);
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}
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}
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else
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{
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pThis = reinterpret_cast<MGenericDialog*>(GetWindowLongPtr(hDlg, DWLP_USER));
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if( pThis )
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{
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bRet = pThis->bHandleMessage(uMsg, wParam, lParam);
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if( WM_DESTROY == uMsg )
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{
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// our window is about to go away, so we need to cleanup DWLP_USER here
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SetWindowLongPtr(hDlg, DWLP_USER, 0);
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}
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}
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}
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return bRet;
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}
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BOOL
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MGenericDialog::
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bSetText(
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LPCTSTR pszTitle
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)
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{
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return SetWindowText( _hDlg, pszTitle );
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}
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VOID
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MGenericDialog::
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vForceCleanup(
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VOID
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)
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{
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SetWindowLongPtr( _hDlg, DWLP_USER, 0L );
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}
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VOID
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MGenericDialog::
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vSetDlgMsgResult(
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LONG_PTR lResult
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)
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{
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SetWindowLongPtr( _hDlg, DWLP_MSGRESULT, (LPARAM)lResult );
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}
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VOID
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MGenericDialog::
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vSetParentDlgMsgResult(
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LRESULT lResult
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)
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{
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SetWindowLongPtr( GetParent( _hDlg ), DWLP_MSGRESULT, (LPARAM)lResult );
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}
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|
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/********************************************************************
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Singleton window mixin.
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********************************************************************/
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MSingletonWin::
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MSingletonWin(
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LPCTSTR pszPrinterName,
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HWND hwnd,
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BOOL bModal
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) : _hwnd( hwnd ),
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_strPrinterName( pszPrinterName ),
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_hClassPidl( NULL ),
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_bModal( bModal )
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{
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}
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MSingletonWin::
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~MSingletonWin(
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VOID
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)
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{
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//
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// hClassPidl is used to prevent multiple instances of the same
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// property sheet. When we destroy the object, unregister the
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// window.
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//
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if( _hClassPidl ){
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SPLASSERT( _hwnd );
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Printers_UnregisterWindow( _hClassPidl, _hwnd );
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}
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}
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BOOL
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MSingletonWin::
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bRegisterWindow(
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DWORD dwType
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)
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|
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/*++
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Routine Description:
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Registers a window type with the shell based on the _strPrinterName
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and type. If there already is a printer window of this name and
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type, then return it.
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Clients can use this to prevent duplicate dialogs from coming up.
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Arguments:
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dwType - Type of dialog.
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Return Value:
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TRUE - success, either a new window or one already exists.
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If _hwnd is not then it is a new window. If one window
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already exists, then _hwnd is set to NULL.
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FALSE - call failed.
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--*/
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{
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SPLASSERT( !_hClassPidl );
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if( !_bModal ){
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if( !Printers_RegisterWindow( _strPrinterName,
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dwType,
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&_hClassPidl,
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&_hwnd )){
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SPLASSERT( !_hClassPidl );
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SPLASSERT( !_hwnd );
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return FALSE;
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}
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}
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return TRUE;
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}
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|
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BOOL
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MSingletonWin::
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bValid(
|
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VOID
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)
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{
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return _strPrinterName.bValid();
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}
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|
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BOOL
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MSingletonWin::
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bIsWindowPresent(
|
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VOID
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)
|
|
{
|
|
BOOL bReturn = FALSE;
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|
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//
|
|
// If the dialog is modal we allow duplicates.
|
|
//
|
|
if( _bModal )
|
|
{
|
|
bReturn = FALSE;
|
|
}
|
|
|
|
//
|
|
// If a not modal and we have a null window
|
|
// handle then this window is already present.
|
|
//
|
|
if( !_hwnd && !_bModal )
|
|
{
|
|
bReturn = TRUE;
|
|
}
|
|
|
|
return bReturn;
|
|
}
|
|
|
|
|
|
|