VERSION 5.00
Begin VB.Form frmConta 
   Caption         =   "Conta"
   ClientHeight    =   5715
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5745
   LinkTopic       =   "Form1"
   ScaleHeight     =   5715
   ScaleWidth      =   5745
   StartUpPosition =   3  'Windows Default
   Begin VB.Frame frmOperacoes 
      Caption         =   "Operações"
      Height          =   3255
      Left            =   840
      TabIndex        =   3
      Top             =   1680
      Width           =   3375
      Begin VB.CommandButton cmdExecutarOp 
         Caption         =   "Executar Operação"
         Height          =   495
         Left            =   600
         TabIndex        =   6
         Top             =   2280
         Width           =   1815
      End
      Begin VB.TextBox txtValor 
         Height          =   375
         Left            =   480
         TabIndex        =   0
         Top             =   1440
         Width           =   2055
      End
      Begin VB.OptionButton optOp 
         Caption         =   "Levantar"
         CausesValidation=   0   'False
         Height          =   375
         Index           =   1
         Left            =   360
         TabIndex        =   5
         Top             =   840
         Width           =   2295
      End
      Begin VB.OptionButton optOp 
         Caption         =   "Depositar"
         CausesValidation=   0   'False
         Height          =   255
         Index           =   0
         Left            =   360
         TabIndex        =   4
         Top             =   480
         Value           =   -1  'True
         Width           =   2535
      End
   End
   Begin VB.TextBox txtSaldo 
      CausesValidation=   0   'False
      Enabled         =   0   'False
      Height          =   375
      Left            =   1440
      TabIndex        =   2
      Top             =   600
      Width           =   1575
   End
   Begin VB.Label lblSaldoNegativo 
      Alignment       =   2  'Center
      Caption         =   "Saldo Negativo"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   9.75
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   3480
      TabIndex        =   7
      Top             =   720
      Width           =   2055
   End
   Begin VB.Label lblSaldo 
      Alignment       =   1  'Right Justify
      Caption         =   "Saldo :"
      Height          =   255
      Left            =   600
      TabIndex        =   1
      Top             =   600
      Width           =   615
   End
End
Attribute VB_Name = "frmConta"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Enum Operacoes
    opDepositar = 0
    opLevantar
End Enum

Dim opSeleccionada As Integer

Private WithEvents Conta As cConta
Attribute Conta.VB_VarHelpID = -1
    

Private Sub cmdExecutarOp_Click()

    Select Case opSeleccionada
        Case opDepositar
            Conta.Depositar txtValor.Text
        Case opLevantar
            Conta.Levantar txtValor.Text
    End Select
    txtSaldo.Text = FormatCurrency(Conta.Saldo)
    txtValor.Text = ""
    txtValor.SetFocus
End Sub


Private Sub Conta_SaldoNegativo()
    lblSaldoNegativo.Visible = True
End Sub

Private Sub Conta_SaldoPositivo()
    lblSaldoNegativo.Visible = False
End Sub

Private Sub Form_Load()
    Set Conta = New cConta
    
    txtSaldo.Text = FormatCurrency(Conta.Saldo)
    
    optOp(0).Value = True
    opSeleccionada = opDepositar
    
    lblSaldoNegativo.Visible = False
    
End Sub

Private Sub optOp_Click(Index As Integer)
    opSeleccionada = Index
    txtValor.SetFocus
End Sub


Private Sub txtValor_Validate(Cancel As Boolean)
    If Not IsNumeric(txtValor.Text) Then
        MsgBox "Introduza um número ! "
        Cancel = True
    End If
End Sub