private void SeguridadFrm_Load(object sender, EventArgs e)
 {
     IsClaveExitosa = false;
     Clave          = "";
     TB_CLAVE.Text  = "";
     TB_CLAVE.Focus();
 }
 private void SeguridadFrm_Load(object sender, EventArgs e)
 {
     TB_CLAVE.Text = "";
     TB_CLAVE.Focus();
     Clave = "";
 }
 private void IrFoco()
 {
     TB_CLAVE.Focus();
     TB_CLAVE.SelectAll();
 }