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Delete ini Data

Posted on 2004-08-14
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Last Modified: 2010-05-02
I'm trying to delete an item in a .ini file, I wana do exactly this:

Inside the .Ini looks like this:
Sara==29
John==54
Kim==65

If the text1 has the text "John" and I click delete, it will delete the whole string "John==54" from the .ini

TY.
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Question by:andyakira
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3 Comments
 
LVL 53

Accepted Solution

by:
Ryan Chong earned 2000 total points
ID: 11799108
TRy this example:

Private Declare Function GetPrivateProfileString Lib "kernel32" _
   Alias "GetPrivateProfileStringA" _
  (ByVal lpSectionName As String, _
   ByVal lpKeyName As Any, _
   ByVal lpDefault As String, _
   ByVal lpReturnedString As String, _
   ByVal nSize As Long, _
   ByVal lpFileName As String) As Long
   
Private Declare Function WritePrivateProfileString Lib "kernel32" _
   Alias "WritePrivateProfileStringA" _
  (ByVal lpSectionName As String, _
   ByVal lpKeyName As Any, _
   ByVal lpString As Any, _
   ByVal lpFileName As String) As Long


Public Sub ProfileSaveItem(inifile As String, lpSectionName As String, lpKeyName As String, lpValue As String)

'This function saves the passed value to the file,
'under the section and key names specified.
'If the ini file does not exist, it is created.
'If the section does not exist, it is created.
'If the key name does not exist, it is created.
'If the key name exists, its value is replaced.
   
   Call WritePrivateProfileString(lpSectionName, _
                                  lpKeyName, _
                                  lpValue, _
                                  inifile)

End Sub


Public Function ProfileGetItem(inifile As String, lpSectionName As String, lpKeyName As String, Optional defaultValue As String = "") As String

'Retrieves a value from an ini file corresponding
'to the section and key name passed.
       
   Dim success As Long
   Dim nSize As Long
   Dim ret As String
 
  'call the API with the parameters passed.
  'The return value is the length of the string
  'in ret, including the terminating null. If a
  'default value was passed, and the section or
  'key name are not in the file, that value is
  'returned. If no default value was passed (""),
  'then success will = 0 if not found.

  'Pad a string large enough to hold the data.
   ret = Space$(2048)
   nSize = Len(ret)
   success = GetPrivateProfileString(lpSectionName, _
                                     lpKeyName, _
                                     defaultValue, _
                                     ret, _
                                     nSize, _
                                     inifile)
   
   If success Then
      ProfileGetItem = Left$(ret, success)
   End If
   
End Function


Public Sub ProfileDeleteItem(lpSectionName As String, _
                             lpKeyName As String, _
                             inifile As String)

'this call will remove the keyname and its
'corresponding value from the section specified
'in lpSectionName. This is accomplished by passing
'vbNullString as the lpValue parameter. For example,
'assuming that an ini file had:
'  [Colours]
'  Colour1=Red
'  Colour2=Blue
'  Colour3=Green
'
'and this sub was called passing "Colour2"
'as lpKeyName, the resulting ini file
'would contain:
'  [Colours]
'  Colour1=Red
'  Colour3=Green
   
   Call WritePrivateProfileString(lpSectionName, _
                                  lpKeyName, _
                                  vbNullString, _
                                  inifile)

End Sub


Public Sub ProfileDeleteSection(lpSectionName As String, _
                                inifile As String)

'this call will remove the entire section
'corresponding to lpSectionName. This is
'accomplished by passing vbNullString
'as both the lpKeyName and lpValue parameters.
'For example, assuming that an ini file had:
'  [Colours]
'  Colour1=Red
'  Colour2=Blue
'  Colour3=Green
'
'and this sub was called passing "Colours"
'as lpSectionName, the resulting Colours
'section in the ini file would be deleted.
   
   Call WritePrivateProfileString(lpSectionName, _
                                  vbNullString, _
                                  vbNullString, _
                                  inifile)

End Sub
0
 

Author Comment

by:andyakira
ID: 11800624
It's not working, im calling it like this: Call ProfileDeleteItem("UserAccess", "hing", App.Path & "access.ini")
0
 

Author Comment

by:andyakira
ID: 11800681
got it, tyvm
0

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