pinvoke.net: Edit: kernel32.GetPrivateProfileSection

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Summary: Retrieves all the keys and values for the specified section of an initialization file.

Note: This function is provided only for compatibility with 16-bit Windows-based applications. Applications should store initialization information in the registry.

!!!!VB.Net Signature
 <DllImport("kernel32.dll")> _
    Shared Function GetPrivateProfileSection( ByVal lpAppName As String, _
    ByVal lpszReturnBuffer As IntPtr, ByVal nSize As System.Int32, ByVal lpFileName As String) As System.Int32
    End Function
!!!!C# Signature:
 [DllImport("kernel32.dll")]
 static extern uint GetPrivateProfileSection(string lpAppName, IntPtr lpszReturnBuffer,
   uint nSize, string lpFileName);
!!!!Sample Code:
        Dim profiles As New Collections.Specialized.StringCollection
        Dim ptr As IntPtr = Marshal.StringToHGlobalAnsi(New String(vbNullChar, 1024))
        Dim len As Int32 = GetPrivateProfileSection("AppName", ptr, 1024, IniPath)
        Dim buff As String = Marshal.PtrToStringAnsi(ptr, len)
        Marshal.FreeHGlobal(ptr)
        Dim sb As New StringBuilder
         '
	'	I can't believe people write shit code like this.
	'
	For ii As Integer = 0 To len - 1
            Dim c As Char = buff.Chars(ii)
            If c = vbNullChar Then
                    profiles.Add(sb.ToString)
                    sb.Length = 0
            Else
                    sb.Append(c)
            End If
        Next
!!!!Alternative C# Signature:
 [DllImport("kernel32.dll",CharSet=CharSet.Auto)]
 static extern uint GetPrivateProfileSection(string lpAppName, IntPtr lpszReturnBuffer,
   uint nSize, string lpFileName);
!!!!Alternative Sample Code:
//similar to above, but use of CharSet in DllImport allows use of Marshal.PtrToStringAuto
public string[] Section()
{
    uint MAX_BUFFER = 32767;
    IntPtr pReturnedString = Marshal.AllocCoTaskMem((int)MAX_BUFFER);
    uint bytesReturned = GetPrivateProfileSection("AppName", pReturnedString, MAX_BUFFER, m_iniFile);
    if (bytesReturned == 0)
    {
            Marshal.FreeCoTaskMem(pReturnedString);
            return null;
    }
    string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString(); 
    Marshal.FreeCoTaskMem(pReturnedString);
    //use of Substring below removes terminating null for split
    return local.Substring(0, local.Length - 1).Split('\0');
}
!!!!Alternative Managed API:
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Documentation: GetPrivateProfileSection@msdn on MSDN