Section: Visualization Toolkit Graphics Classes
To create an instance of class vtkExtractSelectedBlock, simply invoke its constructor as follows
obj = vtkExtractSelectedBlock
obj
is an instance of the vtkExtractSelectedBlock class.
string = obj.GetClassName ()
int = obj.IsA (string name)
vtkExtractSelectedBlock = obj.NewInstance ()
vtkExtractSelectedBlock = obj.SafeDownCast (vtkObject o)