www.pudn.com > SDKSkin.rar > RNHDC.cpp

#include "stdafx.h" 
#include "RNHDC.h" 
 
RNHDC::RNHDC(HDC hDc_,bool bDel) 
{ 
	m_bDel = bDel; 
	Attach(hDc_,bDel); 
} 
 
RNHDC::RNHDC(HWND hWnd_,DCTYPE flag,bool bDel) 
{ 
	m_bDel = bDel; 
	m_hWnd = hWnd_; 
	if(0 != m_hWnd) 
	{ 
		if(DC_NOR == flag) 
		{ 
			m_hDc = GetDC(m_hWnd); 
		} 
		else 
		{ 
			m_hDc = GetWindowDC(m_hWnd); 
		} 
	} 
} 
 
HDC RNHDC::Detach() 
{ 
	HDC tmDc = m_hDc; 
	m_hDc = 0; 
	m_hWnd = 0; 
	return tmDc; 
} 
 
void RNHDC::Attach(HDC hDc_,bool bDel) 
{	 
	Clear(); 
	m_bDel = bDel; 
	m_hDc = hDc_; 
	m_hWnd = 0; 
} 
 
RNHDC::~RNHDC() 
{ 
	Clear(); 
} 
 
void RNHDC::Clear() 
{ 
	if(m_bDel == false) return; 
	if(0 == m_hDc) return; 
	if(0 != m_hWnd) 
	{ 
		ReleaseDC(m_hWnd,m_hDc); 
	} 
	else 
	{ 
		DeleteDC(m_hDc); 
	} 
} 
bool RNHDC::IsValid() 
{ 
	if(0 == m_hDc) return false; 
	return true; 
} 
 
HWND RNHDC::GetHwnd() 
{ 
	if(0 != m_hWnd) 
	{ 
		return m_hWnd; 
	} 
}