(MahAppsGH-3768) Add Visibility property to HambugerMenuItemBase

(MahAppsGH-3768) Add Visibility property to HambugerMenuItemBase

src/MahApps.Metro/Controls/HamburgerMenu/MenuItems/HamburgerMenuItemBase.cs

@@ -9,6 +9,11 @@ public class HamburgerMenuItemBase : Freezable
         /// </summary>
         public static readonly DependencyProperty TagProperty = DependencyProperty.Register(nameof(Tag), typeof(object), typeof(HamburgerMenuItemBase), new PropertyMetadata(null));
 
+        /// <summary>
+        /// Identifies the <see cref="Visibility" /> dependency property.
+        /// </summary>
+        public static readonly DependencyProperty VisibilityProperty = DependencyProperty.Register(nameof(Visibility), typeof(Visibility), typeof(HamburgerMenuItemBase), new PropertyMetadata(Visibility.Visible));
+
         /// <summary>
         /// Gets or sets a value that specifies an user specific value.
         /// </summary>
@@ -25,6 +30,18 @@ public object Tag
             }
         }
 
+        /// <summary>
+        /// Gets or sets the user interface (UI) visibility of this element. This is a dependency property.
+        /// </summary>
+        /// <returns>
+        /// A value of the enumeration. The default value is System.Windows.Visibility.Visible.
+        /// </returns>
+        public Visibility Visibility
+        {
+            get { return (Visibility)GetValue(VisibilityProperty); }
+            set { SetValue(VisibilityProperty, value); }
+        }
+
         protected override Freezable CreateInstanceCore()
         {
             return new HamburgerMenuItemBase();

src/MahApps.Metro/Themes/HamburgerMenuTemplate.xaml

@@ -191,6 +191,7 @@
         <Setter Property="MinHeight" Value="0" />
         <Setter Property="Padding" Value="0" />
         <Setter Property="VerticalContentAlignment" Value="Stretch" />
+        <Setter Property="Visibility" Value="{Binding Visibility, Mode=OneWay, FallbackValue=Visible}" />
     </Style>
 
     <Style x:Key="MahApps.Styles.ListBoxItem.HamburgerMenuItem"