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| Binary Files Tutorial http://www.miragesource.net/forums/viewtopic.php?f=210&t=393 |
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| Author: | Remedy [ Fri Aug 18, 2006 8:01 am ] |
| Post subject: | Binary Files Tutorial |
http://ms.shannaracorp.com/backup-forum ... asp?TID=46 I'm stuck at the PasswordOK Function. Quote: PasswordOK... we need to break out that file again... sigh... time to learn something a little more complicated... slowly Two declares at the top this time, one to hold the password we get out of the file and one to hold the file number. Dim RightPassword As String * NAME_LENGTH Dim nFileNum As Integer Notice that it's a constant length? This prevents us from needed to store the length of it with us. Convinient nFileNum = FreeFile Open FileName For Binary As #nFileNum Open that bad boy up, inside the If AccountExist statement.. Remember to change your file extention to your cool file extention, because .ini is lame! Now we get to the slightly new part. Get #nFileNum, 20, RightPassword This takes the string of length NAME_LENGTH (defined by the length of RightPassword) from byte 20 and stores it into RightPassword... .got that? It's tough... How do I know to start at byte 20? I counted. I know that the password is stored after the login, which is also a constant length string of length 20 bytes. It uses bytes 0-19 so the first character of the password must be stored on byte 20. The function automaticly does the rest Close that file, check to make sure RightPassword = Password and then get out of here. The Function PasswordOK Quote: Function PasswordOK(ByVal Name As String, ByVal Password As String) As Boolean
Dim FileName As String Dim RightPassword As String * NAME_LENGTH Dim nFileNum As Integer PasswordOK = False If AccountExist(Name) Then nFileNum = FreeFile Open FileName For Binary As #nFileNum FileName = App.Path & "\accounts\" & Trim(Name) & ".ini" RightPassword = GetVar(FileName, "GENERAL", "Password") If UCase(Trim(Password)) = UCase(Trim(RightPassword)) Then PasswordOK = True End If End If End Function QUESTION" Where would I put Get #nFileNum, 20, RightPassword Please Help.. Thanks. |
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| Author: | Lea [ Fri Aug 18, 2006 11:45 am ] |
| Post subject: | |
Put that in place of RightPassword = GetVar(... Remember to move "FileName = App.Path..." before Open "FileName for binary..." and to change your extension. |
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