1.解决删除Wafer导致Tray也删除的问题

2.Sequence显示问题

SicUI/Controls/Mainframe/Slot.xaml

@@ -1,17 +1,34 @@
-<UserControl x:Class="SicUI.Controls.M2C4Parts.Slot"
+<UserControl
+    x:Class="SicUI.Controls.M2C4Parts.Slot"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="clr-namespace:SicUI.Controls.M2C4Parts"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <Canvas>
-		<Path x:Name="left" Width="28" Height="11" Canvas.Left="0" Canvas.Top="0" Stretch="Fill" Fill="{StaticResource blueSlot}" Data="M 10,144L 18,144L 18,150L 38,150L 38,155L 10,155L 10,144 Z ">
+        <Path
+            x:Name="left"
+            Canvas.Left="0"
+            Canvas.Top="0"
+            Width="28"
+            Height="11"
+            Data="M 10,144L 18,144L 18,150L 38,150L 38,155L 10,155L 10,144 Z "
+            Fill="{StaticResource blueSlot}"
+            Stretch="Fill">
             <Path.ToolTip>
                 <ToolTip x:Name="tipLeft" />
             </Path.ToolTip>
         </Path>
-		<Path x:Name="right" Width="28" Height="11" Canvas.Left="131" Canvas.Top="0" Stretch="Fill" Fill="{StaticResource blueSlot}" Data="M 169,144L 161,144L 161,150L 141,150L 141,155L 169,155L 169,144 Z ">
+        <Path
+            x:Name="right"
+            Canvas.Left="131"
+            Canvas.Top="0"
+            Width="28"
+            Height="11"
+            Data="M 169,144L 161,144L 161,150L 141,150L 141,155L 169,155L 169,144 Z "
+            Fill="{StaticResource blueSlot}"
+            Stretch="Fill">
             <Path.ToolTip>
                 <ToolTip x:Name="tipRight" />
             </Path.ToolTip>