CWindow::ReleaseDC
釋放裝置內容。
int ReleaseDC(
HDC hDC
);
備註
請參閱在 Windows SDK的 ReleaseDC 。
範例
// 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;
需求
Header: atlwin.h