In C#, enums are C-style enums and C# has [Flags] attribute which indicates the enum is for bit-flags.
it looks WhatChanged and IRenderFilterNode.Mesh, IRenderFilterNode.Material, IRenderFilterNode.Texture, and IRenderFilterNode.Shapes are ulong value for bit flags so I think they should be [Flags]enum.
In C#,
enums are C-style enums and C# has[Flags]attribute which indicates theenumis for bit-flags.it looks
WhatChangedandIRenderFilterNode.Mesh,IRenderFilterNode.Material,IRenderFilterNode.Texture, andIRenderFilterNode.Shapesareulongvalue for bit flags so I think they should be[Flags]enum.