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4/8/2010

This member function is used to verify whether a media type is supported on a pin.

Syntax 

virtual HRESULT CheckMediaType(
  const CMediaType* 
pmt
) PURE;

Parameters

pmt

Pointer to a media type object containing the proposed media type.

Return Value

The overriding member function should return S_OK if the proposed media type is accepted; otherwise, it should return an HRESULTfailure value, such as S_FALSE.

Remarks

This member function is typically called before calling the CBasePin::SetMediaTypemember function.

It is also called from several other member functions, including CBasePin::ReceiveConnectionand CBasePin::QueryAccept.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later