This method provides an enumerator for this pin's preferred media types.

HRESULT EnumMediaTypes(
  IEnumMediaTypes** ppEnum


  • ppEnum
    [out] Pointer to an enumerator for the media types.

Return Values

Returns an HRESULT value that depends on the implementation. HRESULT can be one of the following standard constants, or other values not listed.

Value Description
E_FAIL Failure.
E_POINTER Null pointer argument.
E_INVALIDARG Invalid argument.
E_NOTIMPL Method is not supported.
S_OK or NOERROR Success.


If an enumerator is received, it must be released when the operation is finished.

This method is implemented in the base classes by CBasePin::EnumMediaTypes.


DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IPin Interface

Last updated on Wednesday, April 13, 2005

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