The qvtkWidget does not have SetBackground function. the closest ones are: setBackgroundRole, setAutoFillBackground(bool enabled), colorCount(). -- View this message in context: http://vtk.1045678.n5.nabble.com/Initialize-a-QVTKWidget-tp5501063p5502953.html Sent from the VTK - Users mailing list archive at Nabble.com.