IWMSyncReader::GetOutputFormatCount method

The GetOutputFormatCount method is used to determine all possible format types supported by this output on the synchronous reader.

Syntax

HRESULT GetOutputFormatCount(
  DWORD dwOutputNum,
  DWORD *pcFormats
);

Parameters

dwOutputNum

DWORD containing the output number for which you want to determine the number of supported formats.

pcFormats

Pointer to a DWORD that receives the number of supported formats.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
The method succeeded.
E_POINTER
pcFormats is NULL.
E_UNEXPECTED
There is no file loaded in the synchronous reader.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only],Windows Media Format 9 Series SDK, or later versions of the SDK
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header wmsdkidl.h (include Wmsdk.h)
Library Wmvcore.lib; WMStubDRM.lib (if you use DRM)

See also

IWMSyncReader Interface

IWMSyncReader::GetOutputFormat