IWICBitmapDecoder::Initialize method (wincodec.h)

Initializes the decoder with the provided stream.


HRESULT Initialize(
  [in] IStream          *pIStream,
  [in] WICDecodeOptions cacheOptions


[in] pIStream

Type: IStream*

The stream to use for initialization.

The stream contains the encoded pixels which are decoded each time the CopyPixels method on the IWICBitmapFrameDecode interface (see GetFrame) is invoked.

[in] cacheOptions

Type: WICDecodeOptions

The WICDecodeOptions to use for initialization.

Return value


If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.


Minimum supported client Windows XP with SP2, Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header wincodec.h
Library Windowscodecs.lib
DLL Windowscodecs.dll