PropertyGrid: added ShowAdvancedOptions property.

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs

@@ -244,6 +244,17 @@ namespace Microsoft.Windows.Controls.PropertyGrid
 
         #endregion //SelectedProperty
 
+        #region ShowAdvancedOptions
+
+        public static readonly DependencyProperty ShowAdvancedOptionsProperty = DependencyProperty.Register("ShowAdvancedOptions", typeof(bool), typeof(PropertyGrid), new UIPropertyMetadata(false));
+        public bool ShowAdvancedOptions
+        {
+            get { return (bool)GetValue(ShowAdvancedOptionsProperty); }
+            set { SetValue(ShowAdvancedOptionsProperty, value); }
+        }
+
+        #endregion //ShowAdvancedOptions
+
         #endregion //Properties
 
         #region Constructors

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Themes/Generic.xaml

@@ -278,7 +278,7 @@
 
                                     <TextBlock Text="{Binding DisplayName, RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" TextTrimming="CharacterEllipsis"/>
 
-                                    <Grid Grid.Column="1" HorizontalAlignment="Right" Margin="5,0,5,0" 
+                                    <Grid Grid.Column="1" HorizontalAlignment="Right" Margin="5,0,5,0"  Visibility="{Binding ShowAdvancedOptions, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:PropertyGrid}, Converter={StaticResource BooleanToVisibilityConverter}}"
                                           utilities:ContextMenuUtilities.OpenOnMouseLeftButtonClick="True"
                                           ContextMenu="{StaticResource ContextMenu}" >