www.pudn.com > multiMonitor_demo.rar > MultiMonitor.h

#pragma once 
////////////////////////////////////////////////// 
// CMonitor - wrapper to Win32 multi-monitor API 
// 
// Author: Donald Kackman 
// Email:  don@itsEngineering.com 
// Copyright 2002, Donald Kackman 
// 
// You may freely use or modify this code provided this 
// Copyright is included in all derived versions. 
// 
/////////////////////////////////////////////////// 
 
// 
//David Campbell's article 
//How to Exploit Multiple Monitor Support in Memphis and Windows NT 5.0 
//is very helpful for multimonitor api calls 
//http://www.microsoft.com/msj/defaultframe.asp?page=/msj/0697/monitor/monitor.htm&nav=/msj/0697/newnav.htm 
// 
 
 
 
//include multimon.h here to get the types 
//multimon.cpp includes this with the COMPILESTUBS define to get the implementations 
 
//this is only necessary if the app is supporting win95 
#if WINVER < 0x0500 
#include "multimon.h" 
#endif // WINVER < 0x0500 
 
 
// CMonitor  
 
class CMonitor : public CObject 
{ 
public: 
//construction destruction 
	CMonitor(); 
	CMonitor( const CMonitor& monitor ); 
	virtual ~CMonitor(); 
 
//operations 
	void Attach( const HMONITOR hMonitor ); 
	HMONITOR Detach(); 
 
	void ClipRectToMonitor( LPRECT lprc, const BOOL UseWorkAreaRect = FALSE ) const; 
	void CenterRectToMonitor( LPRECT lprc, const BOOL UseWorkAreaRect = FALSE ) const; 
	void CenterWindowToMonitor( CWnd* const pWnd, const BOOL UseWorkAreaRect = FALSE ) const; 
 
	HDC CreateDC() const; 
 
//properties 
	void GetMonitorRect( LPRECT lprc ) const; 
	void GetWorkAreaRect( LPRECT lprc ) const; 
 
	void GetName( CString& string ) const; 
 
	int GetBitsPerPixel() const; 
 
	BOOL IsOnMonitor( const POINT pt ) const; 
	BOOL IsOnMonitor( const CWnd* pWnd ) const; 
	BOOL IsOnMonitor( const LPRECT lprc ) const; 
 
	BOOL IsPrimaryMonitor() const; 
	BOOL IsMonitor() const; 
 
//operators 
	operator HMONITOR() const 
	{ 
		return this == NULL ? NULL : m_hMonitor; 
	} 
 
	BOOL operator ==( const CMonitor& monitor ) const 
	{ 
		return m_hMonitor == (HMONITOR)monitor; 
	} 
 
	BOOL operator !=( const CMonitor& monitor ) const 
	{ 
		return !( *this == monitor ); 
	} 
 
	void operator =( const CMonitor& monitor )  
	{ 
		m_hMonitor = (HMONITOR)monitor; 
	} 
 
 
private: 
	HMONITOR m_hMonitor; 
 
};