private void RaiseScrollHEvent(IntPtr handle)
{
ScrollInfoStruct si = new ScrollInfoStruct();
si.fMask = NativeMethods.SIF_ALL;
si.cbSize = Marshal.SizeOf(si);
NativeMethods.GetScrollInfo(handle, NativeMethods.SB_HORZ, ref si);
ScrollEventArgs e = new ScrollEventArgs();
e.ScrollInfo = si;
OnScrollH(e);
}
/// <summary>
/// Scroll to a vertical position
/// </summary>
/// <param name="e"></param>
public void ScrollToPositionH(ScrollInfoStruct si)
{
ScrollInfoStruct siOwn = new ScrollInfoStruct();
siOwn.fMask = NativeMethods.SIF_ALL;
siOwn.cbSize = Marshal.SizeOf(si);
NativeMethods.GetScrollInfo(this.Handle, NativeMethods.SB_HORZ, ref siOwn);
if (siOwn.nPos != si.nPos)
{
NativeMethods.SetScrollInfo(this.Handle.ToInt32(), NativeMethods.SB_HORZ, ref si, true);
NativeMethods.SendMessageLong(this.Handle.ToInt32(), NativeMethods.WM_HSCROLL,
NativeMethods.SB_THUMBTRACK + 0x10000 * si.nPos, 0);
}
}
internal static extern int SetScrollInfo(int hWnd, int n,
[MarshalAs(UnmanagedType.Struct)] ref ScrollInfoStruct lpcScrollInfo,
bool b);
internal static extern int GetScrollInfo(IntPtr hWnd, int n,
ref ScrollInfoStruct lpScrollInfo);
