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Summary

The GetScrollInfo API

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private static extern bool GetScrollInfo(IntPtr hwnd, int fnBar, ref SCROLLINFO lpsi);

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Public Function GetScrollInfo(hWnd As IntPtr, _

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        <MarshalAs(UnmanagedType.Struct)>ByRef lpsi As SCROLLINFO) As Integer

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Declare Function GetScrollInfo Lib "user32" (ByVal hWnd As IntPtr, ByVal fnBar As ScrollBarDirection, ByRef lpsi As SCROLLINFO) As Integer

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SCROLLINFO, SBOrientation, ScrollInfoMask

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      SCROLLINFO si = new SCROLLINFO();

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      si.fMask = (int) ScrollInfoMask.SIF_RANGE;

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      GetScrollInfo( RichTextBox1.Handle, (int) ScrollBarDirection.SB_HORZ, ref si );

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    Dim si As New SCROLLINFO

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        .fMask = ScrollInfoMask.SIF_PAGE

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    Dim lRet As Integer = GetScrollInfo(hWnd, fnBar, si)

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Documentation

[GetScrollInfo] on MSDN http://msdn2.microsoft.com/en-us/library/ms651287.aspx

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SeeAlso

SetScrollInfo, GetScrollPos, SetScrollPos

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SeeAlso

SetScrollPos, GetScrollInfo, SetScrollInfo

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static extern TODO ScrollInfoMask(TODO);

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Declare Function ScrollInfoMask Lib "user32.dll" (TODO) As TODO

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Documentation

[ScrollInfoMask] on MSDN

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Summary

The SetScrollInfo API

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static extern int SetScrollInfo(IntPtr hwnd, int fnBar, [In] ref SCROLLINFO

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Public Function SetScrollInfo(hWnd As IntPtr, _

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          <MarshalAs(UnmanagedType.Struct)>ByRef lpsi As SCROLLINFO, _

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Public Declare Function SetScrollInfo Lib "user32" _

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          lpcScrollInfo As SCROLLINFO, _

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SBOrientation, SCROLLINFO, ScrollInfoMask

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     SCROLLINFO scrollinfo = new SCROLLINFO();

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     scrollinfo.cbSize = Marshal.SizeOf( typeof( SCROLLINFO ) );

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     scrollinfo.fMask = Convert.ToInt32( LPCSCROLLINFO.SIF_RANGE );

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     scrollinfo.nMin = 0;        

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     scrollinfo.nMax = 3; // for example the number of items in the control

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     SetScrollInfo( SomeControl.Handle, ( int )SBTYPES.SB_VERT, ref scrollinfo, true );

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Documentation

[SetScrollInfo] on MSDN

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SeeAlso

GetScrollInfo, GetScrollPos, SetScrollPos

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SeeAlso

GetScrollPos, GetScrollInfo, SetScrollInfo

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Summary

ScrollInfoMask - Scroll information Mask

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public enum ScrollInfoMask : uint

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Public Enum ScrollInfoMask As UInteger

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Public Enum ScrollInfoMask

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Documentation

[ScrollInfoMask] on MSDN

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Summary

SCROLLINFO - Scrollbar information

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struct SCROLLINFO

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Structure SCROLLINFO

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    <MarshalAs(UnmanagedType.U4)>Public fMask As ScrollInfoMask

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Public Type SCROLLINFO

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     fMask As ScrollInfoMask

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ScrollInfoMask

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Documentation

[SCROLLINFO] on MSDN