C#实现treeview节点三种选择状态

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style='color:#111;'> 1.08KB </span>","children":null,"spread":false},{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false}],"spread":true},{"title":"Program.cs <span style='color:#111;'> 489B </span>","children":null,"spread":false},{"title":"Form1.Designer.cs <span style='color:#111;'> 2.81KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 10.37KB </span>","children":null,"spread":false}],"spread":true},{"title":"TreeView.sln <span style='color:#111;'> 914B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]