TIWCGJQCustomDynaTree.OnGetChildrenNodes Event

Assign this event for ajax loading of children.

Note

You should set the "isLazy" attribute of parent node to true .

Namespace: IWCGJQDynaTree
Delphi
public
 property OnGetChildrenNodes: TIWCGJQDynaTreeGetChildrenNodesEvent read FOnGetChildrenNodes write SetOnGetChildrenNodes;

Value

 

  • If you are using the OnGetRootNodes or OnGetRootNodesEx events to fill the root node:
  • Delphi
    procedure TIWForm1.IWCGJQDynaTree1GetRootNodes(Sender: TObject; var AJSon: ISuperObject);
var
NodeJSon: ISuperObject;
I: Integer;
begin
AJSon:= TSuperObject.Create(stArray);
for I := 0 to 5 do
begin
NodeJSon:= SO();
NodeJSon.S['key']:= 'key' + IntToStr(i);
NodeJSon.S['title']:= 'Root ' + IntToStr(i);
NodeJSon.B['isLazy']:= True; // <--- you need set this attribute
NodeJSon.S['mytestattr']:= 'yooo';
AJSon.AsArray.Add(NodeJSon);
end;
end;
  • If you are using the Nodes collection:
  • Delphi
    Node.IsLazy:= True;