public UserListBox()
{
this.DoubleBuffered = true;
this.DrawMode = DrawMode.OwnerDrawVariable;
this.HorizontalScrollbar = false;
this.ScrollAlwaysVisible = true;
this.BackColor = Color.White;
this.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.UserPaint, true);
this.popup = new UserListToolTip();
}
public void Free()
{
this.popup.Free();
this.popup.Dispose();
this.popup = null;
}