www.pudn.com > TreePropSheetEx.rar > ResizableMsgSupport.inl

// ResizableMsgSupport.inl: some definitions to support custom resizable wnds 
// 
///////////////////////////////////////////////////////////////////////////// 
// 
// Copyright (C) 2000-2002 by Paolo Messina 
// (http://www.geocities.com/ppescher - ppescher@yahoo.com) 
// 
// The contents of this file are subject to the Artistic License (the "License"). 
// You may not use this file except in compliance with the License.  
// You may obtain a copy of the License at: 
// http://www.opensource.org/licenses/artistic-license.html 
// 
// If you find this code useful, credits would be nice! 
// 
///////////////////////////////////////////////////////////////////////////// 
 
 
// registered message to communicate with the library 
// (defined so that in the same executable it is initialized only once) 
const UINT WMU_RESIZESUPPORT = ::RegisterWindowMessage(_T("WMU_RESIZESUPPORT")); 
 
// if the message is implemented the returned value must be non-zero 
// the default window procedure returns zero for unhandled messages 
 
// wParam is one of the following RSZSUP_* values, lParam as specified 
 
#define RSZSUP_QUERYPROPERTIES	101	// lParam = LPRESIZEPROPERTIES 
 
#define RSZSUP_LIKESCLIPPING	102	// lParam = LPCLIPPINGPROPERTY 
 
#define RSZSUP_NEEDSREFRESH		103	// lParam = LPREFRESHPROPERTY 
 
 
///////////////////////////////////////////////////////////////////////////// 
// utility functions 
 
inline BOOL Send_QueryProperties(HWND hWnd, LPRESIZEPROPERTIES pResizeProperties) 
{ 
	ASSERT(::IsWindow(hWnd)); 
	return (0 != SendMessage(hWnd, WMU_RESIZESUPPORT, 
		RSZSUP_QUERYPROPERTIES, (LPARAM)pResizeProperties)); 
} 
 
inline BOOL Send_LikesClipping(HWND hWnd, LPCLIPPINGPROPERTY pClippingProperty) 
{ 
	ASSERT(::IsWindow(hWnd)); 
	return (0 != SendMessage(hWnd, WMU_RESIZESUPPORT, 
		RSZSUP_LIKESCLIPPING, (LPARAM)pClippingProperty)); 
} 
 
inline BOOL Send_NeedsRefresh(HWND hWnd, LPREFRESHPROPERTY pRefreshProperty) 
{ 
	ASSERT(::IsWindow(hWnd)); 
	return (0 != SendMessage(hWnd, WMU_RESIZESUPPORT, 
		RSZSUP_NEEDSREFRESH, (LPARAM)pRefreshProperty)); 
}