BUG:Avoid multiple event invocations
BUG:Avoid multiple event invocations

hendradarwin/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,arnaudgelas/VTK,hendradarwin/VTK,johnkit/vtk-dev,sankhesh/VTK,keithroe/vtkoptix,collects/VTK,sumedhasingla/VTK,demarle/VTK,berendkleinhaneveld/VTK,aashish24/VTK-old,mspark93/VTK,johnkit/vtk-dev,Wuteyan/VTK,spthaolt/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,biddisco/VTK,ashray/VTK-EVM,hendradarwin/VTK,hendradarwin/VTK,mspark93/VTK,biddisco/VTK,sumedhasingla/VTK,sankhesh/VTK,demarle/VTK,cjh1/VTK,gram526/VTK,johnkit/vtk-dev,sankhesh/VTK,sumedhasingla/VTK,sumedhasingla/VTK,jmerkow/VTK,sumedhasingla/VTK,msmolens/VTK,hendradarwin/VTK,collects/VTK,cjh1/VTK,Wuteyan/VTK,gram526/VTK,arnaudgelas/VTK,demarle/VTK,jmerkow/VTK,keithroe/vtkoptix,SimVascular/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,hendradarwin/VTK,ashray/VTK-EVM,spthaolt/VTK,naucoin/VTKSlicerWidgets,gram526/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,mspark93/VTK,candy7393/VTK,arnaudgelas/VTK,candy7393/VTK,collects/VTK,msmolens/VTK,arnaudgelas/VTK,collects/VTK,cjh1/VTK,berendkleinhaneveld/VTK,naucoin/VTKSlicerWidgets,aashish24/VTK-old,msmolens/VTK,SimVascular/VTK,collects/VTK,jeffbaumes/jeffbaumes-vtk,Wuteyan/VTK,sankhesh/VTK,daviddoria/PointGraphsPhase1,collects/VTK,jmerkow/VTK,jeffbaumes/jeffbaumes-vtk,msmolens/VTK,cjh1/VTK,msmolens/VTK,johnkit/vtk-dev,keithroe/vtkoptix,johnkit/vtk-dev,biddisco/VTK,candy7393/VTK,keithroe/vtkoptix,naucoin/VTKSlicerWidgets,demarle/VTK,jmerkow/VTK,jmerkow/VTK,keithroe/vtkoptix,spthaolt/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,Wuteyan/VTK,SimVascular/VTK,aashish24/VTK-old,SimVascular/VTK,gram526/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,mspark93/VTK,aashish24/VTK-old,msmolens/VTK,Wuteyan/VTK,demarle/VTK,mspark93/VTK,johnkit/vtk-dev,mspark93/VTK,gram526/VTK,Wuteyan/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,SimVascular/VTK,demarle/VTK,arnaudgelas/VTK,cjh1/VTK,candy7393/VTK,demarle/VTK,gram526/VTK,cjh1/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,ashray/VTK-EVM,spthaolt/VTK,candy7393/VTK,Wuteyan/VTK,candy7393/VTK,naucoin/VTKSlicerWidgets,jmerkow/VTK,arnaudgelas/VTK,keithroe/vtkoptix,mspark93/VTK,ashray/VTK-EVM,ashray/VTK-EVM,biddisco/VTK,biddisco/VTK,keithroe/vtkoptix,sumedhasingla/VTK,spthaolt/VTK,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,keithroe/vtkoptix,candy7393/VTK,candy7393/VTK,jeffbaumes/jeffbaumes-vtk,daviddoria/PointGraphsPhase1,johnkit/vtk-dev,hendradarwin/VTK,ashray/VTK-EVM,spthaolt/VTK,aashish24/VTK-old,berendkleinhaneveld/VTK,aashish24/VTK-old,spthaolt/VTK,demarle/VTK,biddisco/VTK,naucoin/VTKSlicerWidgets,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,mspark93/VTK,sumedhasingla/VTK,jmerkow/VTK,msmolens/VTK,sankhesh/VTK,SimVascular/VTK,SimVascular/VTK,naucoin/VTKSlicerWidgets,gram526/VTK