enum OdOpenGLSelectionFlags { OdOpenGLSelFlag_DontDisplayUnhighlighted = (1 << 0), OdOpenGLSelFlag_DontSelectUnhighlighted = (1 << 1), OdOpenGLSelFlag_DontDisplayHighlighted = (1 << 2), OdOpenGLSelFlag_DontSelectHighlighted = (1 << 3), OdOpenGLSelFlag_FlagsMask = 15 };