#3740 - Fix to Style MaterialDesignSwitchToggleButton 'System.Windows.Media.Animation.DoubleAnimation' cannot use default origin value of 'NaN' in UncheckedStoryboard when using DynamicResource (#3776)

TWhidden · Travis Whidden · web-flow · commit d802fdefbde7 · 2025-01-23T21:14:37.000-08:00
Co-authored-by: Travis Whidden &lt;travis.whidden@econnect.tv&gt;
diff --git a/src/MaterialDesignThemes.Wpf/Themes/MaterialDesign3.ToggleButton.xaml b/src/MaterialDesignThemes.Wpf/Themes/MaterialDesign3.ToggleButton.xaml
@@ -399,10 +399,12 @@
                                  Duration="0" />
                 <DoubleAnimation Storyboard.TargetName="Thumb"
                                  Storyboard.TargetProperty="Width"
+                                 From="0"
                                  To="{Binding Tag, ElementName=SwitchGrid}"
                                  Duration="0" />
                 <DoubleAnimation Storyboard.TargetName="Thumb"
                                  Storyboard.TargetProperty="Height"
+                                 From="0"
                                  To="{Binding Tag, ElementName=SwitchGrid}"
                                  Duration="0" />
               </Storyboard>
