1 files changed, 8 insertions, 0 deletions
diff --git a/examples/datavisualization/rotations/main.cpp b/examples/datavisualization/rotations/main.cpp
index db38b401..40d160bb 100644
--- a/examples/datavisualization/rotations/main.cpp
+++ b/examples/datavisualization/rotations/main.cpp
@@ -28,6 +28,7 @@
 #include <QtWidgets/QPushButton>
 #include <QtWidgets/QSlider>
 #include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
 #include <QtGui/QScreen>
 
 int main(int argc, char **argv)
@@ -36,6 +37,13 @@ int main(int argc, char **argv)
     Q3DScatter *graph = new Q3DScatter();
     QWidget *container = QWidget::createWindowContainer(graph);
 
+    if (!graph->hasContext()) {
+        QMessageBox msgBox;
+        msgBox.setText("Couldn't initialize the OpenGL context.");
+        msgBox.exec();
+        return -1;
+    }
+
     QSize screenSize = graph->screen()->size();
     container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
     container->setMaximumSize(screenSize);