by Gabriel Tavares de Oliveira Castellani (5 Submissions)
Category: Math/Dates
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Sat 3rd June 2006
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Converts a currency formated string (BR, US, EU, anyone) into a float POINT(single) variable, needed for calculations in VB. Uses API.
API Declarations
'Configurações do Windows
Global gstrSeparadorDecimal As String
Global gstrSeparadorMilhar As String
Global gstrSeparadorData As String
VBcoders
'Carrega os padrões de ponto decimal, separador de milhar e
'data do Windows
Sub CarregaconfiguracoesRegionais()
Dim ret As Long
Dim auxSep As String * 2
'le separador decimal do win.ini
ret = GetProfileString("intl", "sDecimal", ".", auxSep, 2)
gstrSeparadorDecimal = Left$(auxSep, 1)
'le separador de milhar do win.ini
ret = GetProfileString("intl", "sThousand", ",", auxSep, 2)
gstrSeparadorMilhar = Left$(auxSep, 1)
'le separador de data do win.ini
ret = GetProfileString("intl", "sDate", "/", auxSep, 2)
gstrSeparadorData = Left$(auxSep, 1)
End Sub
'Function ArrumaValor()
'Gabriel Tavares de Oliveira Castellani
'Converte uma string (Valor) numérica decimal, qualquer que
'seja sua formatação (brasileira, americana,...) para single
'com PONTO decimal
Function ArrumaValor(ByVal Valor As String) As Double
Dim C As String
Dim d As Byte
Dim i As Integer, j As Integer
Dim Palavra As String
Dim jahAchouDecimal As Boolean
Dim NUMEROS As String
NUMEROS = "0123456789-+" & Trim$(gstrSeparadorDecimal) & Trim$(gstrSeparadorMilhar)
Palavra = Space$(Len(Valor))
jahAchouDecimal = False
For i = Len(Valor) To 1 Step -1
C = Mid$(Valor, i, 1)
If InStr(1, NUMEROS, C) = 0 Then Exit For
If C = gstrSeparadorDecimal Or C = gstrSeparadorMilhar Then
If Not jahAchouDecimal Then
jahAchouDecimal = True
Mid$(Palavra, i, 1) = "."
End If
ElseIf C = "-" Or C = "+" Then
Palavra = C & Palavra
Exit For
Else
Mid$(Palavra, i, 1) = C
End If
Next
ArrumaValor = Val(Palavra)
End Function
'************************************************
'Exemplo (example)
'************************************************
Sub Form_Load()
CarregaConfiguracoesRegionais 'Chamada apenas uma vez no começo do programa
'Called only once in program's 1st sub
MsgBox "BR: " & ArrumaValor("R$ 1.527,89") & vbCrLf & "US: " & ArrumaValor("US$ 1,527.89")
'Resultado/Result: BR: 1527.89 // US: 1527.89
End Sub
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