添加项目文件。

AIStudio.Wpf.ADiagram/Demos/Others/ViewModels/SettingsDesignerItemViewModel.cs

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+using AIStudio.Wpf.ADiagram.Services;
+using Util.DiagramDesigner;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace AIStudio.Wpf.ADiagram.Demos.Others
+{
+    public class SettingsDesignerItemViewModel : DesignerItemViewModelBase
+    {
+        private IUIVisualizerService visualiserService;
+
+        public SettingsDesignerItemViewModel(IDiagramViewModel parent, SettingsDesignerItem designer) : base(parent, designer)
+        {
+           
+        }
+
+        public SettingsDesignerItemViewModel() : base()
+        {
+
+        }
+
+        protected override void Init()
+        {
+            base.Init();
+
+            visualiserService = ApplicationServicesProvider.Instance.Provider.VisualizerService;
+            this.ShowConnectors = false;
+        }
+
+       protected override void LoadDesignerItemViewModel(IDiagramViewModel parent, SelectableDesignerItemBase designerbase)
+        {
+            base.LoadDesignerItemViewModel(parent, designerbase);
+
+            SettingsDesignerItem designer = designerbase as SettingsDesignerItem;
+            this.Setting = designer.Setting;
+        }
+
+        public String Setting{ get; set; }
+
+        protected override void ExecuteEditCommand(object parameter)
+        {
+            SettingsDesignerItemData data = new SettingsDesignerItemData(Setting);
+            if (visualiserService.ShowDialog(data) == true)
+            {
+                this.Setting = data.Setting1;
+            }
+        }
+
+
+    }
+}