VB.net GetPrivateProfileString WritePrivateProfileString 读写INI

最新推荐文章于 2023-05-29 11:03:26 发布

置顶 zhangpulin

最新推荐文章于 2023-05-29 11:03:26 发布

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文章标签： vb.net string function sms exception ini

本文链接：https://blog.youkuaiyun.com/zhangpulin/article/details/6285447

本文介绍了一种在不同路径下（包括中文路径）读取和写入INI文件的方法，并提供了具体的VB.NET代码实现，包括获取上一次操作的账号信息及保存默认值的功能。

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可以采用此方法，请参考用一下。希望对大家有用，可以读中文、日文、英文路径

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 Function GetPreviousInfo(ByRef sPreActNumber As String, ByRef sPreUserName As String) As Boolean
Try

            Dim strPath As String
            strPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments).ToString
            sPreActNumber = Space(255)
            sPreUserName = Space(255)
            GetPrivateProfileString("SMS", "ActNumber", "", sPreActNumber, 128, strPath & iniFileName)
            GetPrivateProfileString("SMS", "UserName", "", sPreUserName, 128, strPath & iniFileName)

GetPreviousInfo = True

        Catch ex As Exception
            MessageBox.Show(ex.Message & vbCrLf & ex.StackTrace, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error)
            GetPreviousInfo = False

End Try

End Function

Private Function SaveDefaultValue() As Boolean

        Try
            Dim strPath As String
            strPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments).ToString
            Dim sPreActNumber As String
            Dim sPreUserName As String

sPreActNumber = Mid(Me.Cmb_AccountList.Text, 1, InStr(Me.Cmb_AccountList.Text, "|") - 2)
sPreUserName = Me.Txt_UserName.Text

Dim fs As System.IO.FileStream

            If System.IO.File.Exists(strPath & iniFileName) Then
                System.IO.File.Delete(strPath & iniFileName)
            End If
            fs = System.IO.File.Create(strPath & iniFileName)
            fs.Close()

WritePrivateProfileString("SMS", "ActNumber", sPreActNumber, strPath & iniFileName)
WritePrivateProfileString("SMS", "UserName", sPreUserName, strPath & iniFileName)

SaveDefaultValue = True

        Catch ex As Exception
            MessageBox.Show(ex.Message & vbCrLf & ex.StackTrace, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error)
            SaveDefaultValue = False

End Try
End Function