CodePudding user response:

CodePudding user response:
Urgent please help!CodePudding user response:
A Data: each TTreeNode Pointer; Attributes, when creating a node, you can put some thingsNode delete triggered when this,
Procedure TFormConfig. TreeView1Deletion (Sender: TObject; Node: TTreeNode);
The begin
//the Node. Data can be cleaned up
The end;