[vtkusers] How to read the pick actor in vtk ?

[ankitramani]

I am using following code to get a picked actor. But it is not working.
****************************************************************************
                                if (event ==
vtkCommand::LeftButtonPressEvent)
				{
					int currPos[2];
					interactor->GetEventPosition(currPos);
					vtkPropPicker *picker=vtkPropPicker::New();
					picker->Pick(currPos[0], currPos[1], 0,  this->renderer3D);
					interactor->SetPicker(picker);
					
					if(picker->GetActor() == tempCylinderActor)
					{
						this->tempAssembly->RemovePart(this->tempLineActor);
					}
                                }
****************************************************************************
I am clicking on vtkActor "tempCylinderActor", but it is not goind inside
"if loop"........please help me in getting picked actor...........

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