Sorry, I didn't do much with DirectX, just DirectShow (which is more about video). Never done anything with sprites. Have you tried the SharpDX people? I believe they're on github. Stride (also on github) is another option.
Changes to support the ShoutCast scheme
Changes to support the ShoutCast scheme
v3.1 released.
3.1 docs and libs
Fix Custom Marshalling (problems with multi-threading) and PropVariant destructor
Grammar fixes
Use new HResult