VB.NET怎么删除INI文件里的一个字段或键值？

1，对于INI文件，可以当做像TXT文件一样来进行读取和写入。

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2，先把整个文件度出来，然后找到相应行删除（抛弃）以后，再重新写入文件。

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim MyStr As String = ""

Dim AllStr As String = ""

'获取一个可用的文件号

Dim MyFileNum As Integer = FreeFile()

'打开指定的文件，进行读取操作

FileOpen(MyFileNum, "C:\My.ini", OpenMode.Input)

Do While Not EOF(MyFileNum)

'读取一行

MyStr = LineInput(MyFileNum)

If MyStr  "b=2" Then

If AllStr = "" Then

AllStr = AllStr  MyStr

Else

AllStr = AllStr  vbCrLf  MyStr

End If

End If

Loop

FileClose(MyFileNum)   '关闭文件

'写文件

Dim MyStream As New System.IO.FileStream("C:\My.ini", IO.FileMode.Create)

Dim MyWriter As New System.IO.StreamWriter(MyStream, System.Text.Encoding.UTF8)

MyWriter.WriteLine(AllStr)

MyWriter.Flush()

MyWriter.Close()

MyStream.Close()

End Sub

End Class

求大神指点 vb.net 怎么读 ini 配置呢

VB.NET读写INI配置文件

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Dim path As String

path = Application.StartupPath + "\Send.ini"

TextBox1.Text = GetINI("Send", "Send1", "", path)

TextBox2.Text = GetINI("Send", "Send2", "", path)

Dim IsSms As Integer = GetINI("Send", "IsSms", "", path)

If (IsSms = 1) Then

Me.RadioButton1.Checked = True

ElseIf (IsSms = 0) Then

Me.RadioButton2.Checked = True

End If

End Sub

Public Function GetINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As String

Dim Str As String = LSet(Str, 256)

GetPrivateProfileString(Section, AppName, lpDefault, Str, Len(Str), FileName)

Return Microsoft.VisualBasic.Left(Str, InStr(Str, Chr(0)) - 1)

End Function

Public Function WriteINI(ByVal Section As String, ByVal AppName As String, ByVal lpDefault As String, ByVal FileName As String) As Long

WriteINI = WritePrivateProfileString(Section, AppName, lpDefault, FileName)

End Function

Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Int32, ByVal lpFileName As String) As Int32

Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Int32

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Try

Dim path As String

path = Application.StartupPath + "\Send.ini"

WriteINI("Send", "Send1", TextBox1.Text, path)

WriteINI("Send", "Send2", TextBox2.Text, path)

If (Me.RadioButton1.Checked = True) Then

WriteINI("Send", "IsSms", 1, path)

ElseIf (Me.RadioButton2.Checked = True) Then

WriteINI("Send", "IsSms", 0, path)

End If

MsgBox("配置设置已经成功！！！！")

Catch ex As Exception

MsgBox("错误！！！！")

End Try

End Sub

vb.net ini操作

名字有规律，就可以for循环。

名字没有规律，可以想办法让他有规律，一种方法是设置包含所有节名称的string数组，再循环。

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