Fix the crash when map button was clicked too soon

git-svn-id: https://radegast.googlecode.com/svn/trunk@934 f7a694da-4d33-11de-9ad6-1127a62b9fcd

diff --git a/Radegast/GUI/Dialogs/MainForm.cs b/Radegast/GUI/Dialogs/MainForm.cs
index d66954b..f9de787 100644 (file)
--- a/Radegast/GUI/Dialogs/MainForm.cs
+++ b/Radegast/GUI/Dialogs/MainForm.cs
@@ -1313,6 +1313,8 @@ namespace Radegast
 
         private void tbtnMap_Click(object sender, EventArgs e)
         {
+            if (MapTab == null) return; // too soon!
+
             ToggleHidden("map");
             if (!MapTab.Hidden)
                 MapToCurrentLocation();