private void ImprimirComprobantePago()
        {
            ComprobantePagoLineaCreditoVenta comprobantePagoLineaCreditoVenta = null;

            comprobantePagoLineaCreditoVenta         = ComprobantePagoLineaCreditoVenta.Instance();
            comprobantePagoLineaCreditoVenta.Visible = false;
            comprobantePagoLineaCreditoVenta.Show();
        }
 public static ComprobantePagoLineaCreditoVenta Instance()
 {
     if (((frmInstance == null) || (frmInstance.IsDisposed == true)))
     {
         frmInstance = new ComprobantePagoLineaCreditoVenta();
     }
     else
     {
         frmInstance.BringToFront();
     }
     return(frmInstance);
 }