Retrieves the parameters of a scroll bar
#include <GuiScrollBars.au3>
_GUIScrollBars_GetScrollInfoEx ( $hWnd, $iBar )
$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. |
Success: | a $tagSCROLLINFO structure. |
Failure: | sets the @error flag to non-zero. |
$tagSCROLLINFO, _GUIScrollBars_GetScrollInfo, _GUIScrollBars_GetScrollInfoMax, _GUIScrollBars_GetScrollInfoMin, _GUIScrollBars_GetScrollInfoPage, _GUIScrollBars_GetScrollInfoPos, _GUIScrollBars_GetScrollInfoTrackPos
Search GetScrollInfo in MSDN Library.
#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)
$tSCROLLINFO = _GUIScrollBars_GetScrollInfoEx($hGUI, $SB_VERT)
MemoWrite("Horizontal" & @CRLF & "--------------------------------------")
MemoWrite("nPage....: " & DllStructGetData($tSCROLLINFO, "nPage"))
MemoWrite("nPos.....: " & DllStructGetData($tSCROLLINFO, "nPos"))
MemoWrite("nMin.....: " & DllStructGetData($tSCROLLINFO, "nMin"))
MemoWrite("nMax.....: " & DllStructGetData($tSCROLLINFO, "nMax"))
MemoWrite("nTrackPos: " & DllStructGetData($tSCROLLINFO, "nTrackPos"))
$tSCROLLINFO = _GUIScrollBars_GetScrollInfoEx($hGUI, $SB_VERT)
MemoWrite(@CRLF & "Vertical" & @CRLF & "--------------------------------------")
MemoWrite("nPage....: " & DllStructGetData($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