Determines whether a surface format is available as a specified resource type and can be used as a texture, depth stencil buffer, render target, or any combination of the three, on a device representing the current adapter.
In managed code, the Manager class replaces most of the functionality of the C++ IDirect3D9 interface, except that it does not create a device. For device creation and manipulation options, see Device. Also note that the Manager class cannot be inherited or directly instantiated.