improve:光标显示

Ink Canvas/MainWindow.xaml

@@ -5730,7 +5730,7 @@
         </Viewbox>
 
         <Grid Name="FloatingbarUIForInkReplay">
-            <Viewbox Name="ViewboxFloatingBar" Margin="100,5,0,0"
+            <Viewbox Name="ViewboxFloatingBar" Margin="100,5,0,0" Cursor="Arrow"
                      HorizontalAlignment="Left" Height="58" VerticalAlignment="Top" Width="733"
                      RenderTransformOrigin="0.5,0.5">
                 <Viewbox.LayoutTransform>
@@ -5759,7 +5759,7 @@
                                     </Canvas>
                                 </Border>
                             </Canvas>
-                            <ui:SimpleStackPanel Margin="2,0" Name="StackPanelFloatingBar" Orientation="Horizontal">
+                            <ui:SimpleStackPanel Margin="2,0" Name="StackPanelFloatingBar" Orientation="Horizontal" Cursor="Arrow">
                                 <!--<ui:SimpleStackPanel Name="Cursor_Icon" MouseDown="Border_MouseDown" MouseUp="CursorIcon_Click"-->
                                 <ui:SimpleStackPanel Name="Cursor_Icon"
                                                      MouseDown="FloatingBarToolBtnMouseDownFeedback_Panel"

Ink Canvas/MainWindow.xaml.cs

@@ -579,6 +579,19 @@ namespace Ink_Canvas {
         // 添加一个辅助方法，根据当前编辑模式设置光标
         public void SetCursorBasedOnEditingMode(InkCanvas canvas)
         {
+            // 套索选模式下光标始终显示
+            if (!Settings.Canvas.IsShowCursor) {
+                canvas.UseCustomCursor = true;
+                canvas.ForceCursor = true;
+                
+                if (canvas.EditingMode == InkCanvasEditingMode.Select) {
+                    canvas.Cursor = Cursors.Cross;
+                }
+                
+                System.Windows.Forms.Cursor.Show();
+                return;
+            }
+
             if (Settings.Canvas.IsShowCursor) {
                 canvas.UseCustomCursor = true;
                 canvas.ForceCursor = true;