From c3b83737eccb34204d2054fdda3cd8124c42e277 Mon Sep 17 00:00:00 2001
From: Jean-Christophe Fillion-Robin <jchris.fillionr@kitware.com>
Date: Thu, 13 Apr 2023 03:19:59 -0400
Subject: [PATCH] COMP: Update ctkVTKAbstractViewTest1 to fix build against VTK
 8

---
 .../VTK/Widgets/Testing/Cpp/ctkVTKAbstractViewTest1.cpp      | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Libs/Visualization/VTK/Widgets/Testing/Cpp/ctkVTKAbstractViewTest1.cpp b/Libs/Visualization/VTK/Widgets/Testing/Cpp/ctkVTKAbstractViewTest1.cpp
index 979593d4ba..081822e6af 100644
--- a/Libs/Visualization/VTK/Widgets/Testing/Cpp/ctkVTKAbstractViewTest1.cpp
+++ b/Libs/Visualization/VTK/Widgets/Testing/Cpp/ctkVTKAbstractViewTest1.cpp
@@ -31,6 +31,7 @@
 #include "ctkVTKWidgetsUtils.h"
 
 // VTK includes
+#include <vtkNew.h>
 #include <vtkRenderWindow.h>
 #include <vtkCallbackCommand.h>
 
@@ -112,7 +113,7 @@ int ctkVTKAbstractViewTest1(int argc, char * argv [] )
 
   vtkNew<vtkCallbackCommand> renderEventCallback;
   renderEventCallback->SetCallback(onRenderEvent);
-  sliceView.renderWindow()->AddObserver(vtkCommand::RenderEvent, renderEventCallback);
+  sliceView.renderWindow()->AddObserver(vtkCommand::RenderEvent, renderEventCallback.GetPointer());
   sliceView.setMaximumUpdateRate(VTK_DOUBLE_MAX);
   sliceView.show();
 
@@ -123,7 +124,7 @@ int ctkVTKAbstractViewTest1(int argc, char * argv [] )
   // We expect that the rendering has been triggered at least once
   CHECK_BOOL(RenderCount == 0, false);
 
-  bool sliceViewWasPaused = sliceView.pauseRender();
+  sliceView.pauseRender();
   RenderCount = 0;
   sliceView.scheduleRender();
   sleep_ms(100);