Display the folder hierarchy in the Treeview Control

Source: Internet
Author: User
Private   Void Form1_load ( Object  Sender, eventargs e ){  String Rootpath = @"  E: \ config  "  ; Directoryinfo dir = New  Directoryinfo (rootpath); treenode rootnode = New  Treenode (); rootnode. Text ="  Task List  "  ; Treeview1.nodes. Add (rootnode); recursion (Dir, rootnode );}  Private   Void  Recursion (directoryinfo dirparent, treenode tnparent) {directoryinfo [] dirarr = Dirparent. getdirectories ();  If (Dirarr = Null ) Return ; // Exit if no subfolders exist.              Foreach (Directoryinfo diri In  Dirarr) {treenode sitenode = New  Treenode (); sitenode. Text = Diri. Name; sitenode. Name = Diri. fullname; tnparent. nodes. Add (sitenode); recursion (diri, sitenode );  //  Recursion  }}} 

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