Check before Close in InternalClose #/1310

xceedsoftware/wpftoolkit#1310
Dirkster99 · Jul 19, 2018 · ca7b02b · ca7b02b
1 parent b567265
commit ca7b02b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/source/Components/Xceed.Wpf.AvalonDock/Controls/LayoutFloatingWindowControl.cs b/source/Components/Xceed.Wpf.AvalonDock/Controls/LayoutFloatingWindowControl.cs
@@ -360,6 +360,13 @@ protected virtual IntPtr FilterMessage( IntPtr hwnd, int msg, IntPtr wParam, Int
 
     internal void InternalClose()
     {
+      // Check before Close in InternalClose
+      // https://github.com/xceedsoftware/wpftoolkit/issues/1310
+      if( _internalCloseFlag )
+      {
+        return;
+      }
+
       _internalCloseFlag = true;
       Close();
     }