CWindow::ReleaseDC
释放设备上下文。
int ReleaseDC(
HDC hDC
);
备注
在参见 Windows SDK的 ReleaseDC。
示例
// The following example attaches a HWND to the CWindow object,
// calls CWindow::GetDC to retrieve the DC of the client
// area of the window wrapped by CWindow Object, and calls
// CWindow::ReleaseDC to release the DC.
CWindow myWindow;
myWindow.Attach(hWnd);
HDC hDC = myWindow.GetDC();
// Use the DC
myWindow.ReleaseDC(hDC);
hDC = NULL;
要求
Header: atlwin.h