public static extern HResult MFTEnumEx(
[In] Guid MFTransformCategory,
MFT_EnumFlag Flags,
[In, MarshalAs(UnmanagedType.LPStruct)] MFTRegisterTypeInfo pInputType,
[In, MarshalAs(UnmanagedType.LPStruct)] MFTRegisterTypeInfo pOutputType,
[Out, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.IUnknown, SizeParamIndex = 5)] out IMFActivate[] pppMFTActivate,
out int pnumMFTActivate
);
public static extern void MFTEnum(
[In, MarshalAs(UnmanagedType.Struct)] Guid guidCategory,
[In] int Flags, // Must be zero
[In, MarshalAs(UnmanagedType.LPStruct)] MFTRegisterTypeInfo pInputType,
[In, MarshalAs(UnmanagedType.LPStruct)] MFTRegisterTypeInfo pOutputType,
[In] IMFAttributes pAttributes,
[In, Out, MarshalAs(UnmanagedType.CustomMarshaler, MarshalCookie = "0", MarshalTypeRef = typeof(GAMarshaler))]
ArrayList ppclsidMFT,
[In, Out, MarshalAs(UnmanagedType.CustomMarshaler, MarshalCookie = "0", MarshalTypeRef = typeof(GAMarshaler))]
MFInt pcMFTs
);
