From b58e6a3e1adb2bc153d2795d324097348e61e68d Mon Sep 17 00:00:00 2001
From: romerod <daniel.romero@baseclass.ch>
Date: Wed, 5 Mar 2014 16:53:06 +0100
Subject: [PATCH] Add possibility to enabled/disable the close button

---
 MahApps.Metro/Controls/MetroWindow.cs | 10 ++++++++++
 MahApps.Metro/Themes/MetroWindow.xaml |  1 +
 2 files changed, 11 insertions(+)

diff --git a/MahApps.Metro/Controls/MetroWindow.cs b/MahApps.Metro/Controls/MetroWindow.cs
index 646e4159a5..a6721309b9 100644
--- a/MahApps.Metro/Controls/MetroWindow.cs
+++ b/MahApps.Metro/Controls/MetroWindow.cs
@@ -35,6 +35,7 @@ public class MetroWindow : Window
         public static readonly DependencyProperty ShowTitleBarProperty = DependencyProperty.Register("ShowTitleBar", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true, null, OnShowTitleBarCoerceValueCallback));
         public static readonly DependencyProperty ShowMinButtonProperty = DependencyProperty.Register("ShowMinButton", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true));
         public static readonly DependencyProperty ShowCloseButtonProperty = DependencyProperty.Register("ShowCloseButton", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true));
+        public static readonly DependencyProperty CloseButtonEnabledProperty = DependencyProperty.Register("CloseButtonEnabled", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true));
         public static readonly DependencyProperty ShowMaxRestoreButtonProperty = DependencyProperty.Register("ShowMaxRestoreButton", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true));
         public static readonly DependencyProperty TitlebarHeightProperty = DependencyProperty.Register("TitlebarHeight", typeof(int), typeof(MetroWindow), new PropertyMetadata(30));
         public static readonly DependencyProperty TitleCapsProperty = DependencyProperty.Register("TitleCaps", typeof(bool), typeof(MetroWindow), new PropertyMetadata(true));
@@ -216,6 +217,15 @@ public bool ShowCloseButton
             set { SetValue(ShowCloseButtonProperty, value); }
         }
 
+        /// <summary>
+        /// Gets/sets if the close button is enabled.
+        /// </summary>
+        public bool CloseButtonEnabled
+        {
+            get { return (bool)GetValue(CloseButtonEnabledProperty); }
+            set { SetValue(CloseButtonEnabledProperty, value); }
+        }
+
         /// <summary>
         /// Gets/sets the TitleBar's height.
         /// </summary>
diff --git a/MahApps.Metro/Themes/MetroWindow.xaml b/MahApps.Metro/Themes/MetroWindow.xaml
index 61aaef7430..43362b1e54 100644
--- a/MahApps.Metro/Themes/MetroWindow.xaml
+++ b/MahApps.Metro/Themes/MetroWindow.xaml
@@ -445,6 +445,7 @@
                                 Style="{DynamicResource IronicallyNamedChromelessButtonStyle}"
                                 ToolTip="{Binding Close, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Controls:WindowButtonCommands}}}"
                                 Visibility="{Binding ShowCloseButton, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Controls:MetroWindow}}, Converter={StaticResource BooleanToVisibilityConverter}}"
+                                IsEnabled="{Binding CloseButtonEnabled, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Controls:MetroWindow}}}"
                                 Foreground="{TemplateBinding Foreground}">
                             <Path Data="F1M0,0L2,0 5,3 8,0 10,0 6,4 10,8 8,8 5,5 2,8 0,8 4,4 0,0z"
                                   SnapsToDevicePixels="True"