Delete an ini file's section and its data VB.NET/C#

问题

How can I delete an ini file's section and its data in VB.NET? Actually, I can delete only data but not the title of the section.

      rivate Declare Ansi Function WritePrivateProfileString _
      Lib "kernel32.dll" Alias "WritePrivateProfileStringA" _
      (ByVal lpApplicationName As String, _
      ByVal lpKeyName As String, ByVal lpString As String, _
      ByVal lpFileName As String) As Integer

回答1:

Use WritePrivateProfileSection.

To clear the entire section pass NULL for the lpString parameter.

edit:

Tested code:

Imports System.Runtime.InteropServices

Module Module1
    <DllImport("kernel32.dll", SetLastError:=True)> _
    Private Function WritePrivateProfileSection(ByVal lpAppName As String, ByVal lpString As IntPtr, ByVal lpFileName As String) As Boolean
    End Function
    <DllImport("kernel32.dll", SetLastError:=True)> _
    Private Function WritePrivateProfileString(ByVal lpAppName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Boolean
    End Function

    Sub Main()
        Dim res As Boolean
        res = WritePrivateProfileString("Test", "val1", "1", "D:\test.ini")
        res = WritePrivateProfileString("Test", "val2", "1", "D:\test.ini")
        res = WritePrivateProfileString("Test", "val3", "1", "D:\test.ini")

        res = WritePrivateProfileString("Test1", "val1", "1", "D:\test.ini")
        res = WritePrivateProfileString("Test1", "val2", "1", "D:\test.ini")
        res = WritePrivateProfileString("Test1", "val3", "1", "D:\test.ini")

        res = WritePrivateProfileSection("Test", IntPtr.Zero, "D:\test.ini")
    End Sub

End Module

来源：https://stackoverflow.com/questions/31670946/delete-an-ini-files-section-and-its-data-vb-net-c