.NET代码编辑控件ICSharpCode.TextEditor怎么用

这篇文章主要介绍了.NET代码编辑控件ICSharpCode.TextEditor怎么用，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

先来看一下运行效果：

一、项目结构

这里需要注意lib文件夹下导入的类库，这个Demo需要这些dll.

二、代码折叠

需要实现IFoldingStrategy中的 GenerateFoldMarkers 方法，代码如下：

using ICSharpCode.TextEditor.Document;using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace JackWangCUMT.WinForm{  /// 
 /// The class to generate the foldings, it implements ICSharpCode.TextEditor.Document.IFoldingStrategy /// 
 public class MingFolding : IFoldingStrategy {  /// 
  /// Generates the foldings for our document.  /// 
  /// The current document.  /// The filename of the document.  /// Extra parse information, not used in this sample.  /// A list of FoldMarkers.  public List GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)  {   List list = new List();   //stack 先进先出   var startLines = new Stack();   // Create foldmarkers for the whole document, enumerate through every line.   for (int i = 0; i < document.TotalNumberOfLines; i++)   {    // Get the text of current line.    string text = document.GetText(document.GetLineSegment(i));    if (text.Trim().StartsWith("#region")) // Look for method starts    {     startLines.Push(i);    }    if (text.Trim().StartsWith("#endregion")) // Look for method endings    {     int start = startLines.Pop();     // Add a new FoldMarker to the list.     // document = the current document     // start = the start line for the FoldMarker     // document.GetLineSegment(start).Length = the ending of the current line = the start column of our foldmarker.     // i = The current line = end line of the FoldMarker.     // 7 = The end column     list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.Region, "..."));    }    //支持嵌套 {}    if (text.Trim().StartsWith("{")) // Look for method starts    {     startLines.Push(i);    }    if (text.Trim().StartsWith("}")) // Look for method endings    {     if (startLines.Count > 0)     {      int start = startLines.Pop();      list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.TypeBody, "...}"));     }    }    // /// 
    if (text.Trim().StartsWith("/// 
")) // Look for method starts    {     startLines.Push(i);    }    if (text.Trim().StartsWith("/// ")) // Look for method endings    {     int start = startLines.Pop();     //获取注释文本（包括空格）     string display = document.GetText(document.GetLineSegment(start + 1).Offset, document.GetLineSegment(start + 1).Length);     //remove ///     display = display.Trim().TrimStart('/');     list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.TypeBody, display));    }   }   return list;  } }}

三、高亮配置

拷贝CSharp-Mode.xshd为 JackCSharp-Mode.xshd ，将其中的名字修改为： SyntaxDefinition name = "JackC#" ，并添加高亮关键字，如下：

这样代码中出现的JackWang就会高亮。下面的代码片段将自定义高亮文件进行加载，并用SetHighlighting进行设置，这里一定注意目录下必须有xshd的配置文件，否则高亮将失效。

textEditor.Encoding = System.Text.Encoding.UTF8; textEditor.Font = new Font("Hack",12); textEditor.Document.FoldingManager.FoldingStrategy = new JackWangCUMT.WinForm.MingFolding(); textEditor.Text = sampleCode; //自定义代码高亮 string path = Application.StartupPath+ "\\HighLighting"; FileSyntaxModeProvider fsmp; if (Directory.Exists(path)) {  fsmp = new FileSyntaxModeProvider(path);  HighlightingManager.Manager.AddSyntaxModeFileProvider(fsmp);  textEditor.SetHighlighting("JackC#"); }

为了保持代码适时进行折叠，这里监听文本变化，如下所示：

   private void TextEditor_TextChanged(object sender, EventArgs e)   {    //更新，以便进行代码折叠    textEditor.Document.FoldingManager.UpdateFoldings(null, null);   }

最后说明的是，我们可以定义一个格式化代码的类，来格式化C#代码：

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