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ID2D1GdiInteropRenderTarget::ReleaseDC method

Indicates that drawing with the device context retrieved using the GetDC method is finished.

Syntax


virtual HRESULT ReleaseDC(
  [in, optional]  RECT *update
) = 0;

Parameters

update [in, optional]

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

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]

Header

D2d1.h

Library

D2d1.lib

DLL

D2d1.dll

See also

ID2D1GdiInteropRenderTarget