Improve Tab Margin

Author: lukeblevins

Files UWP/InstanceTabsView.xaml

@@ -92,7 +92,7 @@
                     </Grid.RowDefinitions>
                     <ContentPresenter ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" Grid.ColumnSpan="6" Grid.Row="0"/>
                     <ContentPresenter ContentTemplate="{TemplateBinding TabStartHeaderTemplate}" Content="{TemplateBinding TabStartHeader}" Grid.Column="0" Grid.Row="1"/>
-                    <ScrollViewer Padding="2.5,0,0,0" x:Name="ScrollViewer" AutomationProperties.AccessibilityView="Raw" BringIntoViewOnFocusChange="{TemplateBinding ScrollViewer.BringIntoViewOnFocusChange}" Grid.Column="1" HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}" HorizontalScrollMode="{TemplateBinding ScrollViewer.HorizontalScrollMode}" IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}" IsVerticalScrollChainingEnabled="{TemplateBinding ScrollViewer.IsVerticalScrollChainingEnabled}" IsHorizontalRailEnabled="{TemplateBinding ScrollViewer.IsHorizontalRailEnabled}" IsVerticalRailEnabled="{TemplateBinding ScrollViewer.IsVerticalRailEnabled}" IsHorizontalScrollChainingEnabled="{TemplateBinding ScrollViewer.IsHorizontalScrollChainingEnabled}" Grid.Row="1" Style="{StaticResource TabViewScrollViewer}" TabNavigation="{TemplateBinding TabNavigation}" VerticalScrollMode="{TemplateBinding ScrollViewer.VerticalScrollMode}" VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}" ZoomMode="{TemplateBinding ScrollViewer.ZoomMode}">
+                    <ScrollViewer Padding="5,0,0,0" x:Name="ScrollViewer" AutomationProperties.AccessibilityView="Raw" BringIntoViewOnFocusChange="{TemplateBinding ScrollViewer.BringIntoViewOnFocusChange}" Grid.Column="1" HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}" HorizontalScrollMode="{TemplateBinding ScrollViewer.HorizontalScrollMode}" IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}" IsVerticalScrollChainingEnabled="{TemplateBinding ScrollViewer.IsVerticalScrollChainingEnabled}" IsHorizontalRailEnabled="{TemplateBinding ScrollViewer.IsHorizontalRailEnabled}" IsVerticalRailEnabled="{TemplateBinding ScrollViewer.IsVerticalRailEnabled}" IsHorizontalScrollChainingEnabled="{TemplateBinding ScrollViewer.IsHorizontalScrollChainingEnabled}" Grid.Row="1" Style="{StaticResource TabViewScrollViewer}" TabNavigation="{TemplateBinding TabNavigation}" VerticalScrollMode="{TemplateBinding ScrollViewer.VerticalScrollMode}" VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}" ZoomMode="{TemplateBinding ScrollViewer.ZoomMode}">
                         <ItemsPresenter Canvas.ZIndex="2" x:Name="TabsItemsPresenter" Padding="{TemplateBinding Padding}"/>
                     </ScrollViewer>
                     <ContentPresenter ContentTemplate="{TemplateBinding TabActionHeaderTemplate}" Content="{TemplateBinding TabActionHeader}" Grid.Column="3" HorizontalAlignment="Left" Grid.Row="1"/>

Files UWP/InstanceTabsView.xaml.cs

@@ -62,8 +62,7 @@ public InstanceTabsView()
 
         private void CoreTitleBar_LayoutMetricsChanged(CoreApplicationViewTitleBar sender, object args)
         {
-            //LeftPaddingColumn.Width = new GridLength((TabStrip.Items.Count * 150) + 32);
-            //RightPaddingColumn.Width = new GridLength(sender.SystemOverlayRightInset);
+
         }
 
         public void AddNewTab(Type t, string path)

Files UWP/ProHome.xaml

@@ -529,7 +529,7 @@
             <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
 
-        <Grid Margin="0,0,0,0" Canvas.ZIndex="2" x:Name="Ribbon" Grid.Row="0">
+        <Grid Margin="0,-1,0,0" Canvas.ZIndex="2" x:Name="Ribbon" Grid.Row="0">
             <StackPanel Name="RibbonPanel" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Background="{StaticResource ApplicationPageBackgroundThemeBrush}" Orientation="Vertical">
                 <Custom:TabView TabWidthBehavior="Actual" Background="Transparent" Template="{StaticResource TabViewTemplate1}">
                     <Custom:TabViewItem  Template="{StaticResource TabViewItemFluentTemplate}"  BorderThickness="0"  Header="File">