添加项目文件。

ScriptPad/Editor/TextMarker.cs

@@ -0,0 +1,20 @@
+using ICSharpCode.AvalonEdit.Document;
+using System.Windows.Media;
+
+namespace ScriptPad.Editor
+{
+    public class TextMarker : TextSegment
+    {
+        public TextMarker(int startOffset, int length, string message, Color markerColor)
+        {
+            StartOffset = startOffset;
+            Length = length;
+            Message = message;
+            MarkerColor = markerColor;
+        }
+
+        public string Message { get; }
+    
+        public Color MarkerColor { get; }
+    }
+}