From 9c8fc9883337e53be320437b388a5d32549c9a31 Mon Sep 17 00:00:00 2001
From: brianlagunas_cp <XceedBoucherS@users.noreply.github.com>
Date: Wed, 18 Jan 2012 02:52:31 +0000
Subject: [PATCH] DropDownButton: fixed issue with initial command not calling
 CanExecute to check the state of the buttons

---
 .../Implementation/DropDownButton.cs              | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DropDownButton/Implementation/DropDownButton.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DropDownButton/Implementation/DropDownButton.cs
index 344b8e41..32cf8779 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DropDownButton/Implementation/DropDownButton.cs
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DropDownButton/Implementation/DropDownButton.cs
@@ -153,6 +153,15 @@ namespace Microsoft.Windows.Controls
         }
 
         void CanExecuteChanged(object sender, EventArgs e)
+        {
+            CanExecuteChanged();
+        }
+
+        #endregion //Event Handlers
+
+        #region Methods
+
+        private void CanExecuteChanged()
         {
             if (Command != null)
             {
@@ -167,10 +176,6 @@ namespace Microsoft.Windows.Controls
             }
         }
 
-        #endregion //Event Handlers
-
-        #region Methods
-
         /// <summary>
         /// Closes the drop down.
         /// </summary>
@@ -267,6 +272,8 @@ namespace Microsoft.Windows.Controls
                 UnhookCommand(oldValue, newValue);
 
             HookUpCommand(oldValue, newValue);
+
+            CanExecuteChanged(); //may need to call this when changing the command parameter or target.
         }
 
         #endregion //Command