ID2D1GdiInteropRenderTarget::ReleaseDC method (d2d1.h)
Indicates that drawing with the device context retrieved using the GetDC method is finished.
Syntax
HRESULT ReleaseDC(
[in, optional] const RECT *update
);
Parameters
[in, optional] update
Type: RECT*
The modified region of the device context, or NULL to specify the entire render target.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
ReleaseDC must be called once for each call to GetDC.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | d2d1.h |
| Library | D2d1.lib |
| DLL | D2d1.dll |