.NET中用ICSharpCode.TextEditor自定义代码折叠与高亮_实用技巧_

 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; } } }

 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#"); }

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