Function Reference


_GUIScrollBars_GetScrollInfo

Retrieves the parameters of a scroll bar

#include <GuiScrollBars.au3>
_GUIScrollBars_GetScrollInfo ( $hWnd, $iBar, ByRef $tSCROLLINFO )

Parameters

$hWnd Handle to the window
$iBar Specifies the type of scroll bar. This parameter can be one of the following values:
    $SB_CTL - Retrieves the parameters for a scroll bar control. The $hWnd parameter must be the handle to the scroll bar control.
    $SB_HORZ - Retrieves the parameters for the window's standard horizontal scroll bar.
    $SB_VERT - Retrieves the parameters for the window's standard vertical scroll bar.
$tSCROLLINFO Structure of type $tagSCROLLINFO

Return Value

Success: True.
Failure: False.

Related

$tagSCROLLINFO, _GUIScrollBars_GetScrollInfoEx, _GUIScrollBars_SetScrollInfo

See Also

Search GetScrollInfo in MSDN Library.

Example

#include <GUIConstantsEx.au3>
#include <GuiScrollBars.au3>
#include <StructureConstants.au3>
#include <WindowsConstants.au3>

Global $g_idMemo

Example()

Func Example()
    Local $hGUIMsg, $hGUI, $tSCROLLINFO = DllStructCreate($tagSCROLLINFO)

    $hGUI = GUICreate("ScrollBar Example", 400, 400, -1, -1, BitOR($WS_MINIMIZEBOX, $WS_CAPTION, $WS_POPUP, $WS_SYSMENU, $WS_SIZEBOX))
    $g_idMemo = GUICtrlCreateEdit("", 2, 2, 380, 360, BitOR($WS_HSCROLL, $WS_VSCROLL))
    GUICtrlSetResizing($g_idMemo, $GUI_DOCKALL)
    GUICtrlSetFont($g_idMemo, 9, 400, 0, "Courier New")
    GUISetBkColor(0x88AABB)

    GUISetState(@SW_SHOW)

    _GUIScrollBars_Init($hGUI)

    DllStructSetData($tSCROLLINFO, "cbSize", DllStructGetSize($tSCROLLINFO))
    DllStructSetData($tSCROLLINFO, "fMask", $SIF_ALL)
    _GUIScrollBars_GetScrollInfo($hGUI, $SB_HORZ, $tSCROLLINFO)
    MemoWrite("Horizontal" & @CRLF & "--------------------------------------")
    MemoWrite("nPage....: " & DllStructGetData($tSCROLLINFO, "nPage"))
    MemoWrite("nPos.....: " & DllStructGetData($tSCROLLINFO, "nPos"))
    MemoWrite("nMin.....: " & DllStructGetData($tSCROLLINFO, "nMin"))
    MemoWrite("nMax.....: " & DllStructGetData($tSCROLLINFO, "nMax"))
    MemoWrite("nTrackPos: " & DllStructGetData($tSCROLLINFO, "nTrackPos"))

    DllStructSetData($tSCROLLINFO, "cbSize", DllStructGetSize($tSCROLLINFO))
    DllStructSetData($tSCROLLINFO, "fMask", $SIF_ALL)
    _GUIScrollBars_GetScrollInfo($hGUI, $SB_VERT, $tSCROLLINFO)
    MemoWrite(@CRLF & "Vertical" & @CRLF & "--------------------------------------")
    MemoWrite("nPage....: " & DllStructGetData($tSCROLLINFO, "nPage"))
    MemoWrite("nPos.....: " & DllStructGetData($tSCROLLINFO, "nPos"))
    MemoWrite("nMin.....: " & DllStructGetData($tSCROLLINFO, "nMin"))
    MemoWrite("nMax.....: " & DllStructGetData($tSCROLLINFO, "nMax"))
    MemoWrite("nTrackPos: " & DllStructGetData($tSCROLLINFO, "nTrackPos"))

    While 1
        $hGUIMsg = GUIGetMsg()

        Switch $hGUIMsg
            Case $GUI_EVENT_CLOSE
                ExitLoop
        EndSwitch
    WEnd

    Exit
EndFunc   ;==>Example

; Write a line to the memo control
Func MemoWrite($sMessage)
    GUICtrlSetData($g_idMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite