Hi, I'm brand new in this, I have an application (not mine) that have a panel with listbox and I need to select a couple of the items (highlight them). I already know the index (row) of the item, I'm just having difficulty finding a function that will select an item based on the index. I have looked at: _GUICtrlListBox_SetCurSel and ControlCommand I've inspected the window with the Window Info tool and found out that the control is a ListBox: >>>> Control <<<< C