3 files changed, 9 insertions, 3 deletions
diff --git a/examples/activeqt/opengl/glbox.cpp b/examples/activeqt/opengl/glbox.cpp
index 3f2b5bb..04c854c 100644
--- a/examples/activeqt/opengl/glbox.cpp
+++ b/examples/activeqt/opengl/glbox.cpp
@@ -78,7 +78,9 @@ GLBox::GLBox( QWidget* parent, const char* name )
 GLBox::~GLBox()
 {
     makeCurrent();
-    glDeleteLists( object, 1 );
+
+    if (object)
+        glDeleteLists( object, 1 );
 }
 
 
@@ -109,6 +111,8 @@ void GLBox::paintGL()
 
 void GLBox::initializeGL()
 {
+    initializeOpenGLFunctions();
+
     qglClearColor(Qt::black);           // Let OpenGL clear to black
     object = makeObject();              // Generate an OpenGL display list
     glShadeModel( GL_FLAT );
diff --git a/examples/activeqt/opengl/glbox.h b/examples/activeqt/opengl/glbox.h
index 53e3487..eb68c39 100644
--- a/examples/activeqt/opengl/glbox.h
+++ b/examples/activeqt/opengl/glbox.h
@@ -48,10 +48,12 @@
 #define GLBOX_H
 
 #include <QtOpenGL>
+#include <QOpenGLFunctions_1_1>
 //! [0]
 #include <QAxBindable>
 
 class GLBox : public QGLWidget,
+              public QOpenGLFunctions_1_1,
               public QAxBindable
 {
     Q_OBJECT
diff --git a/examples/activeqt/opengl/main.cpp b/examples/activeqt/opengl/main.cpp
index 861bf4e..0596b2b 100644
--- a/examples/activeqt/opengl/main.cpp
+++ b/examples/activeqt/opengl/main.cpp
@@ -72,8 +72,8 @@ int main( int argc, char **argv )
     QApplication::setColorSpec( QApplication::CustomColor );
     QApplication a(argc,argv);
 
-    if ( !QGLFormat::hasOpenGL() ) {
-        qWarning( "This system has no OpenGL support. Exiting." );
+    if (QOpenGLContext::openGLModuleType() != QOpenGLContext::LibGL) {
+        qWarning( "This system does not support OpenGL. Exiting." );
         return -1;
     }