private void listBoxControl1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if ((p != Point.Empty) && ((Math.Abs(e.X - p.X) > 5) || (Math.Abs(e.Y - p.Y) > 5)))
{
listBoxControl1.DoDragDrop(sender, DragDropEffects.Move);
}
}
}
