Merge pull request #166 from irihitech/issue/162-theme

Theme toggler update

demo/Ursa.Demo/Pages/ThemeTogglerDemo.axaml

@@ -10,6 +10,8 @@
         <StackPanel Grid.Column="0">
             <TextBlock Text="Global"></TextBlock>
             <u:ThemeToggleButton/>
+            <TextBlock Text="Global Indicator"></TextBlock>
+            <u:ThemeToggleButton Mode="Indicator"/>
             <TextBlock Text="Target To Scope"></TextBlock>
             <u:ThemeToggleButton TargetScope="{Binding #scope}"></u:ThemeToggleButton>
         </StackPanel>

demo/Ursa.Demo/Views/MainView.axaml

@@ -92,6 +92,8 @@
             <u:ThemeToggleButton
                 Grid.Row="0"
                 Grid.Column="1"
+                IsThreeState="True"
+                Mode="Controller"
                 HorizontalAlignment="Right" />
             <ContentControl
                 Grid.Row="1"