整理整理

AIStudio.Wpf.DiagramDesigner.Additionals/Converters/IndentConverter.cs

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+using System.Windows.Data;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace AIStudio.Wpf.DiagramDesigner.Additionals.Converters
+{
+    public class IndentConverter : IValueConverter
+    {
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            double colunwidth = 10;
+            double left = 0.0;
+
+
+            UIElement element = value as TreeViewItem;
+            while (element.GetType() != typeof(TreeView))
+            {
+                element = (UIElement)VisualTreeHelper.GetParent(element);
+                if (element.GetType() == typeof(TreeViewItem))
+                    left += colunwidth;
+            }
+            return new Thickness(left, 0, 0, 0);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+
+    }
+}