renaming and garbage collection

MaterialModernWPF/View/Shell.xaml

@@ -13,6 +13,7 @@
     Title="NiftyTool NG"
     Width="920"
     Height="600"
+    d:DataContext="{d:DesignInstance view:ShellViewModel}"
     modern:UIHooks.AutoDpiScale="True"
     prism:ViewModelLocator.AutoWireViewModel="True"
     Background="{DynamicResource MaterialDesignPaper}"
@@ -85,7 +86,10 @@
                                 IsChecked="False"
                                 Style="{StaticResource MaterialDesignHamburgerToggleButton}" />
                             <StackPanel DockPanel.Dock="Right" Orientation="Horizontal">
-                                <Button materialDesign:ShadowAssist.ShadowDepth="Depth0" Style="{StaticResource MaterialDesignFloatingActionButton}">
+                                <Button
+                                    materialDesign:ShadowAssist.ShadowDepth="Depth0"
+                                    Command="{Binding GcCollectCommand}"
+                                    Style="{StaticResource MaterialDesignFloatingActionButton}">
                                     <materialDesign:PackIcon
                                         Width="32"
                                         Height="32"

MaterialModernWPF/View/ShellViewModel.cs

@@ -1,4 +1,6 @@
-using Prism.Mvvm;
+using System.Windows.Input;
+using Prism.Commands;
+using Prism.Mvvm;
 
 namespace MaterialModernWPF.View
 {
@@ -6,6 +8,9 @@ namespace MaterialModernWPF.View
     {
         public ShellViewModel()
         {
+            GcCollectCommand = new DelegateCommand(System.GC.Collect);
         }
+
+        public ICommand GcCollectCommand {get; }
     }
 }