pinvoke.net: Edit: kernel32.writeprivateprofilestring

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Summary: The WritePrivateProfileString API

!!!!C# Signature:
 [DllImport("kernel32.dll", CharSet=CharSet.Unicode, SetLastError=true)]
 [return: MarshalAs(UnmanagedType.Bool)]
 static extern bool WritePrivateProfileString(string lpAppName,
   string lpKeyName, string lpString, string lpFileName);

!!!!VB.NET Signature:
    <DllImport("kernel32.dll", SetLastError:=True)> _
 Private Shared Function WritePrivateProfileString(ByVal lpAppName As String, _
                                                ByVal lpKeyName As String, _
                                                ByVal lpString As String, _
                                                ByVal lpFileName As String) As Boolean
    End Function

!!!!VB.NET Alternative Signature:
    <DllImport("kernel32.dll", SetLastError:=True)> _
 Private Declare Auto Function WritePrivateProfileString Lib "kernel32" (ByVal lpAppName As String, _	
                                                ByVal lpKeyName As String, _
                                                ByVal lpString As String, _
                                                ByVal lpFileName As String) As Boolean

!!!!C++ Signature:
 [DllImport("KERNEL32.DLL", CharSet=CharSet::Auto, EntryPoint="WritePrivateProfileString")]
 static Boolean WritePrivateProfileString(String^ lpAppName, String^ lpKeyName, String^ lpString, String^ lpFileName);

!!!!User-Defined Types:
None.

!!!!Notes:
If StringToWrite is NULL, the line indicated by SectionName and KeyName will be deleted.
If KeyName is NULL, the entire section indicated by SectionName and all keys and values therein will be deleted.

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:

C# Sample:

bool WriteINI(string SectionName, string KeyName, string StringToWrite, string INIFileName)
{
	bool Return;
	Return = WritePrivateProfileString(SectionName,
					   KeyName,
				           StringToWrite,
				           INIFileName);
	return Return;
}

VB.NET Sample

Dim bres As Boolean
 bres = WritePrivateProfileString("AppName", "KeyName", "TestValue", "c:\test.ini")
 Console.WriteLine("WritePrivateProfileString returned : " & bres.ToString())

VB.NET Alternative Sample

Public Function WriteIni(ByVal lpAppName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFilename As String) As Boolean
     Try
         
         WritePrivateProfileString(lpAppname, lpKeyName, lpString, lpFilename)
         Return True
         Exit Try
     
     Catch ex As Exception
         
         Return False
     
     End Try
 End Function

PowerShell Sample
     http://gallery.technet.microsoft.com/scriptcenter/Edit-old-fashioned-INI-f8fbc067

!!!!Alternative Managed API:
Do you know one?  Please contribute it!

Documentation: WritePrivateProfileString@msdn on MSDN