C# winform 文本编辑器中高亮显示关键字

[{"title":"（ 354 个子文件 3.79MB ） C# winform 文本编辑器中高亮显示关键字","children":[{"title":"from.gif <span style='color:#111;'> 4.83KB </span>","children":null,"spread":false},{"title":"FastColoredTextBox.cs <span style='color:#111;'> 211.71KB </span>","children":null,"spread":false},{"title":"Hints.cs <span style='color:#111;'> 10.89KB </span>","children":null,"spread":false},{"title":"Export.cs <span style='color:#111;'> 7.63KB </span>","children":null,"spread":false},{"title":"FastColoredTextBox.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]