void txtBox_Enter(object sender, EventArgs e)
        {
           
            if (((SWF.TextBox)sender).Multiline)
            {
                orgtext = ((SWF.TextBox)sender).Text;
            }

            if (!((SWF.TextBox)sender).ReadOnly)
            {
                ((SWF.TextBox)sender).Clear();

                ((SWF.TextBox)sender).Multiline = false;
                ((SWF.TextBox)sender).BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            }
        }