使用PointBase代替Point

AIStudio.Wpf.DiagramDesigner/Models/ConnectorInfo.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using AIStudio.Wpf.DiagramDesigner.Geometry;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public struct ConnectorInfo
+    {
+        public double DesignerItemLeft { get; set; }
+        public double DesignerItemTop { get; set; }
+        public SizeBase DesignerItemSize { get; set; }
+        public PointBase Position { get; set; }
+        public ConnectorOrientation Orientation { get; set; }
+    }
+}

AIStudio.Wpf.DiagramDesigner/Models/DragObject.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    // Wraps info of the dragged object into a class
+    public class DragObject
+    {
+        public Size? DesiredSize { get; set; }
+        public Type ContentType { get; set; }
+        public string Icon { get; set; }
+        public IColorViewModel ColorViewModel { get; set; }
+        public DesignerItemBase DesignerItem { get; set; }
+    }
+}

AIStudio.Wpf.DiagramDesigner/Models/EventToCommandArgs.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class EventToCommandArgs
+    {
+        public Object Sender { get; private set; }
+        public ICommand CommandRan { get; private set; }
+        public Object CommandParameter { get; private set; }
+        public EventArgs EventArgs { get; private set; }
+
+        public EventToCommandArgs(Object sender, ICommand commandRan, Object commandParameter, EventArgs eventArgs)
+        {
+            this.Sender = sender;
+            this.CommandRan = commandRan;
+            this.CommandParameter = commandParameter;
+            this.EventArgs = eventArgs;
+        }
+    }
+}

AIStudio.Wpf.DiagramDesigner/Models/ToolBoxData.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner.Helpers
+{
+    public class ToolBoxData
+    {
+        public string Text { get; protected set; }
+        public string Icon { get; protected set; }
+        public Type Type { get; protected set; }
+        public IColorViewModel ColorViewModel { get; set; }
+        public double Width { get; set; }
+        public double Height { get; set; } 
+        public Size? DesiredSize{ get; set; } 
+
+        public object Addition { get; set; }
+
+        public ToolBoxData(string text, string icon, Type type, double width, double height, Size? desiredSize = null)
+        {
+            this.Text = text;
+            this.Icon = icon;
+            this.Type = type;
+            this.Width = width;
+            this.Height = height;
+            this.DesiredSize = desiredSize;
+            this.ColorViewModel = new ColorViewModel();
+        }
+    }
+}