创建与设备无关的位图画刷

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创建与设备无关的位图画刷，并利用这个画刷绘制一个矩形。

HRSRC hRes;HGLOBAL hData, hLockedData;CBrush brush;CDC *pDC = new CClientDC(this);// Determines the location of a resource with the specified type and name in the specified module.hRes = ::FindResource(AfxGetResourceHandle(), MAKEINTRESOURCE(IDB_BMP), RT_BITMAP);if (NULL != hRes){// Loads the specified resource into global memory. hData = ::LoadResource(AfxGetResourceHandle(), hRes);if (NULL != hData){// Locks the specified resource in memory.hLockedData = (HGLOBAL)::LockResource(hData);if (NULL != hLockedData){// Creates a logical brush that has the pattern specified by the specified device-independent bitmap (DIB). brush.CreateDIBPatternBrush(hLockedData, DIB_RGB_COLORS);CBrush *pOldBrush = pDC->SelectObject(&brush);pDC->Rectangle(10, 10, 300, 200);pDC->SelectObject(pOldBrush);brush.DeleteObject();// Decrements (decreases by one) the reference count of a loaded resource. // When the reference count reaches zero, the memory occupied by the resource is freed.::FreeResource(hLockedData);}}}delete pDC;pDC = NULL;

使用的位图：

绘制的矩形：