demo提交

AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/PerformanceViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
+{
+    class PerformanceViewModel : BaseViewModel
+    {
+        public PerformanceViewModel()
+        {
+            Title = "Performance";
+            Info = "This diagram contains 100 nodes and 50 links";
+
+            _service.ColorViewModel.FillColor.Color = System.Windows.Media.Colors.Orange;
+
+            DiagramViewModel = new DiagramViewModel();
+            DiagramViewModel.PageSizeType = PageSizeType.Custom;
+            DiagramViewModel.PageSize = new Size(1000, 1000);
+
+            for (int r = 0; r < 10; r++)
+            {
+                for (int c = 0; c < 10; c += 2)
+                {
+                    var node1 = new DefaultDesignerItemViewModel() { Left = 10 + c * 10 + c * 120, Top = 10 + r * 100, Text = $"{r * 10 + c}" };
+                    var node2 = new DefaultDesignerItemViewModel { Left = 10 + (c + 1) * 130, Top = 10 + r * 100, Text = $"{r * 10 + c + 1}" };
+
+                    DiagramViewModel.DirectAddItemCommand.Execute(new List<SelectableDesignerItemViewModelBase> { node1, node2 });
+
+                    ConnectionViewModel connector1 = new ConnectionViewModel(node1.RightConnector, node2.LeftConnector);
+                    DiagramViewModel.DirectAddItemCommand.Execute(connector1);
+                }
+            }
+        }
+    }
+}