feat: improve demo, add dynamic resource.

src/Ursa.Themes.Semi/Controls/Form.axaml

@@ -22,12 +22,12 @@
         <Setter Property="Template">
             <ControlTemplate TargetType="u:FormGroup">
                 <StackPanel>
-                    <ContentPresenter Content="{TemplateBinding Header}" FontWeight="Bold" />
+                    <ContentPresenter Content="{TemplateBinding Header}" FontWeight="Bold" FontSize="18" />
                     <Rectangle
                         Height="1"
                         Margin="0,8"
                         HorizontalAlignment="Stretch"
-                        Fill="LightGray" />
+                        Fill="{DynamicResource FormGroupBorderBrush}" />
                     <ItemsPresenter ItemsPanel="{TemplateBinding ItemsPanel}" />
                 </StackPanel>
             </ControlTemplate>

src/Ursa.Themes.Semi/Themes/Dark/Form.axaml

@@ -0,0 +1,5 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <!-- Add Resources Here -->
+    <SolidColorBrush x:Key="FormGroupBorderBrush" Color="White" Opacity="0.08"></SolidColorBrush>
+</ResourceDictionary>

src/Ursa.Themes.Semi/Themes/Dark/_index.axaml

@@ -7,6 +7,7 @@
         <MergeResourceInclude Source="Dialog.axaml" />
         <MergeResourceInclude Source="Divider.axaml" />
         <MergeResourceInclude Source="DualBadge.axaml" />
+        <MergeResourceInclude Source="Form.axaml" />
         <MergeResourceInclude Source="IPv4Box.axaml" />
         <MergeResourceInclude Source="KeyGestureInput.axaml" />
         <MergeResourceInclude Source="Loading.axaml" />

src/Ursa.Themes.Semi/Themes/Light/Form.axaml

@@ -0,0 +1,5 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <!-- Add Resources Here -->
+    <SolidColorBrush x:Key="FormGroupBorderBrush" Color="#FF1C1F23" Opacity="0.08"></SolidColorBrush>
+</ResourceDictionary>

src/Ursa.Themes.Semi/Themes/Light/_index.axaml

@@ -7,6 +7,7 @@
         <MergeResourceInclude Source="Dialog.axaml" />
         <MergeResourceInclude Source="Divider.axaml" />
         <MergeResourceInclude Source="DualBadge.axaml" />
+        <MergeResourceInclude Source="Form.axaml" />
         <MergeResourceInclude Source="IPv4Box.axaml" />
         <MergeResourceInclude Source="KeyGestureInput.axaml" />
         <MergeResourceInclude Source="Loading.axaml" />

src/Ursa/Controls/Form/Form.cs

@@ -70,6 +70,7 @@ public class Form: ItemsControl
             Content = control,
             [!FormItem.LabelProperty] = control[!FormItem.LabelProperty],
             [!FormItem.IsRequiredProperty] = control[!FormItem.IsRequiredProperty],
+            [!FormItem.NoLabelProperty] = control[!FormItem.NoLabelProperty],
         };
     }
 }