chore: minor modify.

Author: NaBian

src/Shared/HandyControlDemo_Shared/UserControl/Styles/DataGridDemo.xaml

@@ -7,9 +7,9 @@
              xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
-        <TabControl Style="{StaticResource TabControlInLine}">
+        <TabControl Style="{StaticResource TabControlInLine}" BorderThickness="0,1,0,0">
             <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Common}}">
-                <DataGrid hc:DataGridAttach.CanUnselectAllWithBlankArea="True" HeadersVisibility="Column" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}">
+                <DataGrid hc:DataGridAttach.CanUnselectAllWithBlankArea="True" HeadersVisibility="Column" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" Margin="8">
                     <DataGrid.RowHeaderTemplate>
                         <DataTemplate>
                             <CheckBox IsChecked="{Binding IsSelected,RelativeSource={RelativeSource AncestorType=DataGridRow}}"/>
@@ -32,7 +32,7 @@
                 </DataGrid>
             </TabItem>
             <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.ShowRowNumber}}">
-                <DataGrid HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" hc:DataGridAttach.ShowRowNumber="True">
+                <DataGrid HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" hc:DataGridAttach.ShowRowNumber="True" Margin="8">
                     <DataGrid.Columns>
                         <DataGridTemplateColumn Width="60" CanUserResize="False">
                             <DataGridTemplateColumn.CellTemplate>
@@ -49,7 +49,7 @@
                 </DataGrid>
             </TabItem>
             <TabItem Header="Small">
-                <DataGrid Style="{StaticResource DataGrid.Small}" HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" hc:DataGridAttach.ShowRowNumber="True">
+                <DataGrid Style="{StaticResource DataGrid.Small}" HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" hc:DataGridAttach.ShowRowNumber="True" Margin="8">
                     <DataGrid.Columns>
                         <DataGridTemplateColumn Width="60" CanUserResize="False">
                             <DataGridTemplateColumn.CellTemplate>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ListViewDemo.xaml

@@ -6,9 +6,9 @@
              xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
-        <TabControl Style="{StaticResource TabControlInLine}">
+        <TabControl Style="{StaticResource TabControlInLine}" BorderThickness="0,1,0,0">
             <TabItem Header="Default">
-                <ListView ItemsSource="{Binding DataList}">
+                <ListView ItemsSource="{Binding DataList}" Margin="8">
                     <ListView.View>
                         <GridView>
                             <GridViewColumn Width="80" Header="{ex:Lang Key={x:Static langs:LangKeys.Index}}" DisplayMemberBinding="{Binding Index}" />
@@ -19,7 +19,7 @@
                 </ListView>
             </TabItem>
             <TabItem Header="Small">
-                <ListView ItemsSource="{Binding DataList}" Style="{StaticResource ListView.Small}">
+                <ListView ItemsSource="{Binding DataList}" Style="{StaticResource ListView.Small}" Margin="8">
                     <ListView.View>
                         <GridView>
                             <GridViewColumn Width="80" Header="{ex:Lang Key={x:Static langs:LangKeys.Index}}" DisplayMemberBinding="{Binding Index}" />