AutoHotkey Community

Gui, Margin, 5, 5
Gui, Add, Tab, w690 h370, Current|History
Gui, Tab, Current
Gui, Add, ListView, w675 h300 vListView, Date / Time|Error
Gui, Add, Button, gUpdate, Update List
Gui, Tab, History

Gui, Show,, Test Window
UpdateList()
return

UpdateList()
{
;  GuiControl, -Redraw, ListView ; Uncomment to fix redraw problem.
  Loop, 100
  {
    datetime = %a_yyyy%%a_mm%%a_dd% %a_hour%%a_min%%a_sec%
    error = This is an Error %a_index%
     LV_Add("", datetime, error)
  }
  LV_ModifyCol(1, "AutoHdr")  ; Auto-size each column to fit its contents.
  LV_ModifyCol(2, "AutoHdr")  ; Auto-size each column to fit its contents.
;  GuiControl, +Redraw, ListView ; Uncomment to fix redraw problem.
}

Update:
UpdateList()
return

GuiClose:
ExitApp