[vtkusers] synchronous update between vtkImagePlaneWidget and vtkResliceCursorWidget

[nil_debug]

Hello,
Is anyone can help me? Now I have defined a vtkImagePlaneWidget and a vtkResliceCursorWidget,  I would like to when dragging the  vtkImagePlaneWidget the   vtkResliceCursorWidget can move.In a word  I don't know how to a "AddObserver" for the vtkImagePlaneWidget from the vtkResliceCursorWidget! I do know  I should define a "myCallBack",but How?
Will be deeply grateful !




nil_debug
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