1

BPASmartClient.SCADAControl/NewConveyorBelt.xaml.cs

@@ -118,33 +118,42 @@ namespace BPASmartClient.SCADAControl
                 VisualStateManagerData();
             }
 
+            if (this.Height > 0 && this.Width > 0)
+            {
+                try
+                {
+                    //传送带外边框绘制
+                    PathGeometry geometry = new PathGeometry();
+                    PathFigure pathFigure = new PathFigure();
+                    pathFigure.StartPoint = new Point(this.Height / 2, 0);
+                    pathFigure.Segments.Add(new ArcSegment(new Point(this.Height / 2, this.Height), new Size(this.Height / 2, this.Height / 2), 0, false, SweepDirection.Counterclockwise, true));
+                    pathFigure.Segments.Add(new LineSegment(new Point(this.Width, this.Height), true));
+                    pathFigure.Segments.Add(new LineSegment(new Point(this.Width, this.Height - ConveyorBeltWidth), true));
+                    double innerCircle = (this.Height - (ConveyorBeltWidth * 2)) / 2;//内圆半径
+                    pathFigure.Segments.Add(new LineSegment(new Point(ConveyorBeltWidth + innerCircle, this.Height - ConveyorBeltWidth), true));
+                    pathFigure.Segments.Add(new ArcSegment(new Point(ConveyorBeltWidth + innerCircle, ConveyorBeltWidth), new Size(innerCircle, innerCircle), 0, false, SweepDirection.Clockwise, true));
+                    pathFigure.Segments.Add(new LineSegment(new Point(this.Width, ConveyorBeltWidth), true));
+                    pathFigure.Segments.Add(new LineSegment(new Point(this.Width, 0), true));
+                    pathFigure.Segments.Add(new LineSegment(new Point(this.Height / 2, 0), true));
+                    geometry.Figures.Add(pathFigure);
+                    Path_cb.Data = geometry;
+
+                    //传送带内部皮带绘制
+                    PathGeometry geometry1 = new PathGeometry();
+                    PathFigure pathFigure1 = new PathFigure();
+                    pathFigure1.StartPoint = new Point(this.Width, ConveyorBeltWidth / 2);
+                    double innerCircle1 = (this.Height - ConveyorBeltWidth) / 2;//内圆半径
+                    pathFigure1.Segments.Add(new LineSegment(new Point(innerCircle1 + ConveyorBeltWidth / 2, ConveyorBeltWidth / 2), true));
+                    pathFigure1.Segments.Add(new ArcSegment(new Point(innerCircle1 + ConveyorBeltWidth / 2, this.Height - ConveyorBeltWidth / 2), new Size(innerCircle1, innerCircle1), 0, false, SweepDirection.Counterclockwise, true));
+                    pathFigure1.Segments.Add(new LineSegment(new Point(this.Width, this.Height - ConveyorBeltWidth / 2), true));
+                    geometry1.Figures.Add(pathFigure1);
+                    Path_mp.Data = geometry1;
+                }
+                catch (Exception ex)
+                {
 
-            //传送带外边框绘制
-            PathGeometry geometry = new PathGeometry();
-            PathFigure pathFigure = new PathFigure();
-            pathFigure.StartPoint = new Point(this.Height / 2, 0);
-            pathFigure.Segments.Add(new ArcSegment(new Point(this.Height / 2, this.Height), new Size(this.Height / 2, this.Height / 2), 0, false, SweepDirection.Counterclockwise, true));
-            pathFigure.Segments.Add(new LineSegment(new Point(this.Width, this.Height), true));
-            pathFigure.Segments.Add(new LineSegment(new Point(this.Width, this.Height - ConveyorBeltWidth), true));
-            double innerCircle = (this.Height - (ConveyorBeltWidth * 2)) / 2;//内圆半径
-            pathFigure.Segments.Add(new LineSegment(new Point(ConveyorBeltWidth + innerCircle, this.Height - ConveyorBeltWidth), true));
-            pathFigure.Segments.Add(new ArcSegment(new Point(ConveyorBeltWidth + innerCircle, ConveyorBeltWidth), new Size(innerCircle, innerCircle), 0, false, SweepDirection.Clockwise, true));
-            pathFigure.Segments.Add(new LineSegment(new Point(this.Width, ConveyorBeltWidth), true));
-            pathFigure.Segments.Add(new LineSegment(new Point(this.Width, 0), true));
-            pathFigure.Segments.Add(new LineSegment(new Point(this.Height / 2, 0), true));
-            geometry.Figures.Add(pathFigure);
-            Path_cb.Data = geometry;
-
-            //传送带内部皮带绘制
-            PathGeometry geometry1 = new PathGeometry();
-            PathFigure pathFigure1 = new PathFigure();
-            pathFigure1.StartPoint = new Point(this.Width, ConveyorBeltWidth / 2);
-            double innerCircle1 = (this.Height - ConveyorBeltWidth) / 2;//内圆半径
-            pathFigure1.Segments.Add(new LineSegment(new Point(innerCircle1 + ConveyorBeltWidth / 2, ConveyorBeltWidth / 2), true));
-            pathFigure1.Segments.Add(new ArcSegment(new Point(innerCircle1 + ConveyorBeltWidth / 2, this.Height - ConveyorBeltWidth / 2), new Size(innerCircle1, innerCircle1), 0, false, SweepDirection.Counterclockwise, true));
-            pathFigure1.Segments.Add(new LineSegment(new Point(this.Width, this.Height - ConveyorBeltWidth / 2), true));
-            geometry1.Figures.Add(pathFigure1);
-            Path_mp.Data = geometry1;
+                }
+            }
         }
 
         public static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject