添加项目文件。

ScriptPad/DelegateTextWriter.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace ScriptPad
+{
+    public class DelegateTextWriter : TextWriter
+    {
+        private readonly Action<string> appendTextAction;
+
+        public DelegateTextWriter(Action<string> appendTextAction) : base(CultureInfo.CurrentCulture)
+        {
+            this.appendTextAction = appendTextAction;
+        }
+
+        public override Encoding Encoding => Encoding.UTF8;
+
+        public override void Write(char value)
+        {
+            appendTextAction(value.ToString());
+        }
+
+        public override void Write(char[] buffer, int index, int count)
+        {
+            if (index != 0 || count != buffer.Length)
+            {
+                buffer = buffer.Skip(index).Take(count).ToArray();
+            }
+            appendTextAction(new string(buffer));
+        }
+
+        public override void Write(string value)
+        {
+            appendTextAction(value);
+        }
+
+        public override object InitializeLifetimeService()
+        {
+            return null;
+        }
+    }
+}