How to do MFSetAttributeRatio?

[atanamir]

I'm trying to create a media foundation project using Vortice. I've created a IMFMediaType using MediaFactory.MFCreateMediaType(), and now I'm trying to set the properties. The MediaTypeAttributeKeys.FrameSize is usually set via MFSetAttributeSize in c++ and the frame rate is set using MFSetAttributeRatio; i don't see any overloads for Set() in the C# class that takes two arguments. Any tips?

Thanks in advance.

[atanamir]

Oh, I found it. I can call MediaFactory.MFSetAttributeRatio, and MediaFactory.MFSetAttributeSize explicitly.