Check for null pointers

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39302 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/controls/controls.cpp b/samples/controls/controls.cpp
index a5723dce31b15c292a387fbc81898bc5bb7760d1..999b4aa3f77ef2f256e708e39d576944a751d590 100644 (file)
--- a/samples/controls/controls.cpp
+++ b/samples/controls/controls.cpp
@@ -1056,6 +1056,13 @@ void MyPanel::OnIdle(wxIdleEvent& event)
     static const int INVALID_SELECTION = -2;
 
     static int s_selCombo = INVALID_SELECTION;
+
+    if (!m_combo || !m_choice)
+    {
+        event.Skip();
+        return;
+    }
+
     int sel = m_combo->GetSelection();
     if ( sel != s_selCombo )
     {