Good evening, I hope you are all well,   Can someone help me to calculate the maximum horizontal scroll range? "_GUIScrollBars_SetScrollInfoMax($hGuiScroll, $SB_HORZ, $iXpos - 550)"   Thanks in advance   #include <WindowsConstants.au3> #include <GUIConstantsEx.au3> #include <WinAPISysWin.au3> #include <GuiScrollBars.au3> #include <ScrollBarsConstants.au3> Local $iXpos = 10, $iButtonsCount = 20