DELPHI TreeView分级操作

[{"title":"（ 13 个子文件 279KB ） DELPHI TreeView分级操作","children":[{"title":"TREEVIEW","children":[{"title":"Project1.dof <span style='color:#111;'> 1.79KB </span>","children":null,"spread":false},{"title":"Unit1.dcu <span style='color:#111;'> 9.88KB </span>","children":null,"spread":false},{"title":"Project1.exe <span style='color:#111;'> 655.00KB </span>","children":null,"spread":false},{"title":"TEST.MDB <span style='color:#111;'> 228.00KB </span>","children":null,"spread":false},{"title":"Unit1.dfm <span style='color:#111;'> 1.23KB </span>","children":null,"spread":false},{"title":"Project1.cfg <span style='color:#111;'> 386B </span>","children":null,"spread":false},{"title":"Project1.dpr <span style='color:#111;'> 188B </span>","children":null,"spread":false},{"title":"Unit1.~dfm <span style='color:#111;'> 1.63KB </span>","children":null,"spread":false},{"title":"Unit1.pas <span style='color:#111;'> 5.12KB </span>","children":null,"spread":false},{"title":"Project1.res <span style='color:#111;'> 876B </span>","children":null,"spread":false},{"title":"Unit1.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"Unit1.~pas <span style='color:#111;'> 5.13KB </span>","children":null,"spread":false},{"title":"Unit1.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]