From 04d43abe7efc924efb8d3dd56987eb5375fce8cc Mon Sep 17 00:00:00 2001
From: toengi <platz.aldo@gmail.com>
Date: Thu, 4 Dec 2014 10:55:48 +0100
Subject: [PATCH] Update DragDrop.cs

Added HitTest4Type<ButtonBase> in DragSource_PreviewMouseLeftButtonDown
---
 GongSolutions.Wpf.DragDrop/DragDrop.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/GongSolutions.Wpf.DragDrop/DragDrop.cs b/GongSolutions.Wpf.DragDrop/DragDrop.cs
index ea489b64..656781c6 100644
--- a/GongSolutions.Wpf.DragDrop/DragDrop.cs
+++ b/GongSolutions.Wpf.DragDrop/DragDrop.cs
@@ -638,6 +638,7 @@ private static void DragSource_PreviewMouseLeftButtonDown(object sender, MouseBu
       var elementPosition = e.GetPosition((IInputElement)sender);
       if (e.ClickCount != 1
           || HitTestUtilities.HitTest4Type<RangeBase>(sender, elementPosition)
+          || HitTestUtilities.HitTest4Type<ButtonBase>(sender, elementPosition)
           || HitTestUtilities.HitTest4Type<TextBoxBase>(sender, elementPosition)
           || HitTestUtilities.HitTest4Type<PasswordBox>(sender, elementPosition)
           || HitTestUtilities.HitTest4Type<ComboBox>(sender, elementPosition)
@@ -932,4 +933,4 @@ private static DropTargetAdorner DropTargetAdorner
     private static Point _adornerPos;
     private static Size _adornerSize;
   }
-}
\ No newline at end of file
+}