private void FrmLogin_Load(object sender, EventArgs e)
        {
            this.KeyPreview      = true;
            this.KeyDown        += new KeyEventHandler(FrmLogin_KeyDown);
            this.Aceptar.Click  += new EventHandler(Aceptar_Click);
            this.Cancelar.Click += new EventHandler(Cancelar_Click);
            switch (TipoUsuario)
            {
            case "CAJERO":
                this.txtUsuario.Properties.Items.AddRange(FactoryUsuarios.getCajeros());
                break;

            case "ADMINISTRADOR":
                this.txtUsuario.Properties.Items.AddRange(FactoryUsuarios.getAdministradores());
                break;

            case "MESONERO":
                this.txtUsuario.Properties.Items.AddRange(FactoryUsuarios.getMesoneros());
                break;
            }

            this.txtContraseña.Properties.CharacterCasing = CharacterCasing.Upper;
            this.txtUsuario.Properties.CharacterCasing    = CharacterCasing.Upper;
            this.Text = Sistema;
            layoutControlItem1.Text = TipoUsuario.ToLower();
        }
 void FrmFechaCajero_Load(object sender, EventArgs e)
 {
     this.txtFecha.DateTime = fecha;
     this.KeyPreview        = true;
     this.KeyDown          += new KeyEventHandler(FrmLapso_KeyDown);
     this.Aceptar.Click    += new EventHandler(Aceptar_Click);
     this.Cancelar.Click   += new EventHandler(Cancelar_Click);
     this.txtCajero.Properties.Items.AddRange(FactoryUsuarios.getCajeros());
     this.txtCajero.Properties.CharacterCasing = CharacterCasing.Upper;
     this.txtCajero.Validating += new CancelEventHandler(txtCajero_Validating);
 }