BGA辅助面板：气泡/焊球模式切换、VoidLimit面板调节、去掉标签右键编辑、未完成组气泡可拖拽调整

XP.ImageProcessing.RoiControl/Controls/PolygonRoiCanvas.xaml.cs

@@ -394,6 +394,23 @@ namespace XP.ImageProcessing.RoiControl.Controls
         public void SetBubbleBrushSize(int val) => _bubbleBrushSize = val;
         public Rect? BubbleRoi => _bubbleRoi;
 
+        /// <summary>设置 BGA 测量的气泡/焊球绘制模式</summary>
+        public void SetBgaDrawBall(bool drawBall)
+        {
+            _bgaDrawBall = drawBall;
+            RaiseMeasureStatusChanged(drawBall ? "BGA - 画焊球模式" : "BGA - 画气泡模式");
+        }
+
+        /// <summary>设置所有 BGA 组的 VoidLimit 并刷新标签</summary>
+        public void SetBgaVoidLimit(double limit)
+        {
+            foreach (var g in _bgaGroups)
+            {
+                g.VoidLimit = limit;
+                g.UpdateLabel();
+            }
+        }
+
         // 拖拽状态
         private Ellipse _mDraggingDot;
         private object _mDraggingOwner;
@@ -722,9 +739,7 @@ namespace XP.ImageProcessing.RoiControl.Controls
             {
                 _bgaCurrent = new Models.BgaVoidGroup();
                 var currentGroup = _bgaCurrent; // 局部变量供闭包捕获
-                _bgaCurrent.Label = new TextBlock { FontSize = 13, FontWeight = FontWeights.Bold, Cursor = System.Windows.Input.Cursors.Hand, Visibility = Visibility.Collapsed };
-                _bgaCurrent.Label.SetValue(ContextMenuService.IsEnabledProperty, false);
-                _bgaCurrent.Label.PreviewMouseRightButtonUp += (s, ev) => { ShowBgaLimitEditor(currentGroup); ev.Handled = true; };
+                _bgaCurrent.Label = new TextBlock { FontSize = 13, FontWeight = FontWeights.Bold, IsHitTestVisible = false, Visibility = Visibility.Collapsed };
                 _measureOverlay.Children.Add(_bgaCurrent.Label);
                 _bgaDrawBall = false;
                 RaiseMeasureStatusChanged("BGA空隙 - 点击画气泡圆心（右键切换为画焊球）");
@@ -924,10 +939,12 @@ namespace XP.ImageProcessing.RoiControl.Controls
                     if (g.E4BH == dot) { _mDraggingOwner = g; _mDraggingRole = "E4B"; break; }
                 }
             }
-            // 查找 BGA 组
+            // 查找 BGA 组（已完成的 + 正在编辑的）
             if (_mDraggingOwner == null)
             {
-                foreach (var g in _bgaGroups)
+                var allBga = new System.Collections.Generic.List<Models.BgaVoidGroup>(_bgaGroups);
+                if (_bgaCurrent != null) allBga.Add(_bgaCurrent);
+                foreach (var g in allBga)
                 {
                     if (g.Ball?.CenterDot == dot) { _mDraggingOwner = g; _mDraggingRole = "BallCenter"; break; }
                     if (g.Ball?.EdgeDot == dot) { _mDraggingOwner = g; _mDraggingRole = "BallEdge"; break; }