public void OnScroll(MyScrollEventArgs e)
{
if (Scroll != null)
{
Scroll(this, e);
}
}
protected override void WndProc(ref Message m)
{
/*
if(m.Msg==WM_PAINT)
{
SCROLLBARINFO psbi = new SCROLLBARINFO();
psbi.cbSize = Marshal.SizeOf(psbi);
int nResult = GetScrollBarInfo(this.Handle, OBJID_VSCROLL, ref psbi); //"this" is a scrollbar
if (nResult == 0)
{
int nLatError = Marshal.GetLastWin32Error(); // in kernel32.dll
}
Console.WriteLine(psbi.xyThumbTop.ToString());
if(fCheck&&psbi.xyThumbTop!=oldval)
{
fCheck=false;
MessageBox.Show("WM_VSCROLL for select item");
}
else if(psbi.xyThumbTop==oldval)
{
fCheck=false;
}
}*/
if(m.Msg==WM_VSCROLL)
{
Console.WriteLine("{0} {1} {2}", ((int)m.WParam >> 16), (Int16)m.WParam, m.LParam);
MyScrollEventArgs ma = new MyScrollEventArgs();
ma.Orientation = ScrollOrientation.VerticalScroll;
ma.WParam = m.WParam;
OnScroll(ma);
}
base.WndProc (ref m);
}
