[b]void Load_Graphics() {    GetClientRect(NULL,&rcClient);    g_mainDC=GetDC(g_hwnd);    hdcBuffer = CreateCompatibleDC(g_mainDC);    hbmBuffer = CreateCompatibleBitmap(g_mainDC, rcClient.right, rcClient.bottom);    hbmOldBuffer = (HBITMAP)SelectObject(hdcBuffer, hbmBuffer);    ReleaseDC(NULL,g_mainDC);} //end load graphics[/b]  

  void BlowUp_Graphics() {	SelectObject(hdcBuffer, hbmOldBuffer);	DeleteDC(hdcBuffer);	DeleteObject(hbmBuffer);}//end BlowUp_Graphics  

  HDC  __stdcall InitializeOffScreenBuffer(HWND hwnd){	HDC memdc = NULL;	HDC hdc = GetDC(hwnd);	// a global variable might be preferable	// moreso considering this property won''t change	BOOL g_BltCap = ( GetDeviceCaps(hdc, RASTERCAPS) & RC_BITBLT );	if ( g_BltCap )	{		RECT rect;		HBITMAP hBitMap, hTempBitMap;		HBRUSH hBrush, hTempBrush;		memdc = CreateCompatibleDC(hdc);		GetWindowRect(hwnd,▭);		hBitMap = CreateCompatibleBitmap(hdc, rect.right, rect.bottom);		hTempBitMap = SelectObject(memdc, hBitMap);		hBrush = GetStockObject(BLACK_BRUSH);		hTempBrush = SelectObject(memdc, hBrush);		PatBlt( memdc				, rect.left				, rect.top				, rect.right				, rect.bottom				, PATCOPY);		// select object returns handle of object being replaced		DeleteObject( SelectObject(memdc, hTempBrush) );		// deleting the selected bitmap prevents memdc from working properly		// DeleteObject( SelectObject(memdc, hTempBitMap) );	}	ReleaseDC(hwnd, hdc);	return( memdc );}// call this to clean up the mem dc// from WM_CLOSE for exampleDeleteDC(g_MemDC);// Blit g_MemDC to g_hDCVOID __stdcall UpdateScreen(HWND hwnd, HDC memdc){	HDC hdc = GetDC(hwnd);	// a global variable might be preferable	// moreso considering this property won''t change	if ( GetDeviceCaps(hdc, RASTERCAPS) & RC_BITBLT )	{		// a global variable might be preferable		RECT rect;		GetWindowRect(hwnd, ▭);		BitBlt(hdc			, rect.left, rect.top			, rect.right, rect.bottom			, memdc			, rect.left, rect.top			, SRCCOPY);	}	// not absolutely required for OWNDC	// determine if it hurts and leave it if it doesn''t	ReleaseDC(hwnd, hdc);}// main game loopBOOL Game_Main(void){// do stuff like check keyboard etc// clear out the offscreen buffer	PatBlt(g_MemDC, 0, 0, WorkArea.right, WorkArea.bottom, BLACKNESS);// draw on the offscreen buffer// setpixel, textout, etc...	// blit memdc to hdc	UpdateScreen(g_hWnd,g_MemDC);	return(TRUE);}// and here is a message loop that can be used to run the game// again, it''s not how I would do it today, but it works// enter main event loop	while(TRUE)	{		// test for message in queue, if so get it		if ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )		{			if (msg.message == WM_QUIT)			{				break;			}			// translate accelerator keys			TranslateMessage(&msg);			// send the message to the window proc			DispatchMessage(&msg);		}		// main game processing		Game_Main();	}// cleanup/return