求大神指點 vb.net 怎么讀 ini 配置呢

VB.NET讀寫INI配置文件

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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("配置設置已經成功?。。。?)

Catch ex As Exception

MsgBox("錯誤?。。?！")

End Try

End Sub

VB.NET怎么刪除INI文件里的一個字段或鍵值？

1，對于INI文件，可以當做像TXT文件一樣來進行讀取和寫入。

2，先把整個文件度出來，然后找到相應行刪除（拋棄）以后，再重新寫入文件。

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?=?""

'獲取一個可用的文件號

Dim?MyFileNum?As?Integer?=?FreeFile()

'打開指定的文件，進行讀取操作

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

Do?While?Not?EOF(MyFileNum)

'讀取一行

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)???'關閉文件

'寫文件

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

vb.net 讀取ini的所有值

Dim?s?As?String()?=?System.IO.File.ReadAllLines("t.ini")?'文件

For?i?As?Integer?=?0?To?s.Length?-?1

Dim?si?As?Integer?=?s(i).IndexOf("=")

If?si??-1?Then

ListBox1.Items.Add(s(i).Substring(0,?si)??"?=?"??s(i).Substring(si?+?1))

End?If

Next

's(i).Substring(0,?si)是變量名，s(i).Substring(si?+?1)是值

vb.net 關于ini的問題

INI文件不便于操作，使用Settings跟簡單、高效！

先添加一個Settings設置

再調用這個參數

就算重新啟動 這個參數還是可以保留

沒聽懂？

兩句說不清楚，可以遠程協(xié)助。

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