vb.net.ini的简单介绍
求大神指点 vb.net 怎么读 ini 配置呢
VB.NET读写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("配置设置已经成功！！！！")
Catch ex As Exception
MsgBox("错误！！！！")
End Try
End Sub
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。
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
vb.net 读取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)是变量名，s(i).Substring(si + 1)是值
vb.net 关于ini的问题
INI文件不便于操作，使用Settings跟简单、高效！
先添加一个Settings设置
再调用这个参数
就算重新启动 这个参数还是可以保留
没听懂？
两句说不清楚，可以远程协助。
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