Kiểm tra checkbox trong listview Autohotkey

Gui, Add, ListView, vMyListView gMyListView AltSubmit Checked, Col 1|Col 2|Col 3 Loop, 3 LV_Add(, "test 1 " A_Index, "test 2 " A_Index, "test 3 " A_Index) Loop, 3 LV_ModifyCol(A_Index) Gui, Show return MyListView: if (A_GuiEvent == "I") { if InStr(ErrorLevel, "C", true) MsgBox % "Row " A_EventInfo " was checked." else if InStr(ErrorLevel, "c", true) MsgBox % "Row " A_EventInfo " was unchecked." } return GuiClose: ExitApp