private void OnCmdPortBut(IRectElement element)
 {
     CurrentScreen = element;
 }
 private void OnCmdSenderBut(IRectElement senderElement)
 {
     RectElement currentScreen = new RectElement();
     currentScreen.SenderIndex = senderElement.SenderIndex ;
     currentScreen.EleType = ElementType.sender;
     currentScreen.OperateEnviron = OperatEnvironment.AdjustSenderLocation;
     currentScreen.ConnectedIndex = senderElement.ConnectedIndex;
     CurrentScreen = currentScreen;
 }
 public LineElement(int zOrder,IRectElement frontElement,IRectElement endElement)
 {
     EndElement = endElement;
     FrontElement = frontElement;
     X = FrontElement.X + FrontElement.Width / 2;
   
     Y = FrontElement.Y + FrontElement.Height / 2;
    
     EndX = EndElement.X + EndElement.Width / 2;
     EndY = EndElement.Y + EndElement.Height / 2;
     Width = Math.Sqrt(Math.Pow(EndX - X, 2) + Math.Pow(EndY - Y, 2));
     Height = 3;
     ZOrder = zOrder;
     if (EndX < X)
     {
         Angle = Math.Atan((EndY - Y) / (X - EndX));
         Angle = 180 - Angle * 180 / Math.PI;
     }
     else
     {
         Angle = Math.Atan((EndY - Y) / (EndX - X));
         Angle = Angle * 180 / Math.PI;
     }
     Margin = new Thickness(X, Y, EndX, EndY);          
 }
 /// <summary>
 /// 更改某个元素的位置后,该元素处于某个组时,处理该元素组框的位置
 /// </summary>
 /// <param name="element"></param>
 private void OnHandleGroupFrameLocation(IRectElement element)
 {
     #region 移动的网口属于某个组,则处理组框的位置
     if (element.EleType == ElementType.receive && element.GroupName >= 0)
     {
         //找到该组下所有的元素
         IRectElement groupFrame = new RectElement();
         ObservableCollection<IRectElement> elementCollection = new ObservableCollection<IRectElement>();
         if (element.ParentElement != null && element.ParentElement.EleType == ElementType.screen)
         {
             RectLayer screenLayer = (RectLayer)element.ParentElement;
             for (int i = 0; i < screenLayer.ElementCollection.Count; i++)
             {
                 if (screenLayer.ElementCollection[i].EleType == ElementType.receive &&
                     screenLayer.ElementCollection[i].GroupName == element.GroupName)
                 {
                     elementCollection.Add((IRectElement)screenLayer.ElementCollection[i]);
                 }
                 else if (screenLayer.ElementCollection[i].EleType == ElementType.groupframe &&
                     screenLayer.ElementCollection[i].GroupName == element.GroupName)
                 {
                     groupFrame = (IRectElement)screenLayer.ElementCollection[i];
                 }
             }
         }
         //计算组框新值
         if (elementCollection.Count > 0)
         {
             Rect newGroupframeRect = Function.UnionRectCollection(elementCollection);
             groupFrame.X = newGroupframeRect.X;
             groupFrame.Y = newGroupframeRect.Y;
             groupFrame.Width = newGroupframeRect.Width;
             groupFrame.Height = newGroupframeRect.Height;
         }
     }
     #endregion
 }
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 public static bool IsRectIntersect(IRectElement rect1, IRectElement rect2)
 {
     if (rect1 == null || rect2 == null)
     {
         return false;
     }
     Rect rc1 = new Rect(rect1.X, rect1.Y, rect1.Width, rect1.Height);
     Rect rc2 = new Rect(rect2.X, rect2.Y, rect2.Width, rect2.Height);
     return rc1.IntersectsWith(rc2);
 }