switched to using RenderInternal method which locks the drawing surface
switched to using RenderInternal method which locks the drawing surface

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