最万能的用法:
var
lNode : TTreeListNode;
lColumn :TTreeListColumn;
begin
//
if Button = TMouseButton.mbLeft then
begin
lNode := DataGrid2.GetNodeAt(x,y);
lColumn := DataGrid2.GetColumnAt(x,y);
if lNode <> nil then
begin
Dialogs.ShowMessage( lNode.Strings[lColumn.Index]);
end;
end;
end;