improve:实时笔锋

Ink Canvas/MainWindow_cs/MW_FloatingBarIcons.cs

@@ -2246,7 +2246,8 @@ namespace Ink_Canvas
             SetFloatingBarHighlightPosition("pen");
 
             // 记录当前是否已经是批注模式且是否为高光显示模式
-            bool wasInInkMode = inkCanvas.EditingMode == InkCanvasEditingMode.Ink;
+            bool wasInInkMode = inkCanvas.EditingMode == InkCanvasEditingMode.Ink
+                                || (Pen_Icon.Background != null && StackPanelCanvasControls.Visibility == Visibility.Visible);
             bool wasHighlighter = drawingAttributes.IsHighlighter;
 
             if (drawingShapeMode != 0 && !isLongPressSelected)
@@ -2451,6 +2452,8 @@ namespace Ink_Canvas
             forceEraser = false;
             forcePointEraser = false;
             drawingShapeMode = 0;
+
+            EnsureRealtimeStylusPipelineBinding();
         }
 
         /// <summary>