在VB中使程序在windows启动是启动的方法

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　　在VB中使程序在windows启动是启动的方法.
白东整理翻译.VBGood.http://www.vbgood.com
第一种方法:
注释：注释:在Visual Basic 5.0,
注释：声明Vb5stkit.dll.Visual Basic 4.0 中声明Stkit432.dll
注释：VB6中是: VB6STKIT.DLL

Private Declare Function fCreateShellLink _
Lib "STKIT432.DLL" (ByVal lpstrFolderName As String, _
ByVal lpstrLinkName As String, ByVal lpstrLinkPath As _
String, ByVal lpstrLinkArgs As String) As Long

Private Sub Form_Load()
    fCreateShellLink("C:.........StartUp", _
    "MyProgram", "c:myprog.exe", "")

End Sub

第二种方法:

Public Const HKEY_CLASSES_ROOT = &H80000000
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_USERS = &H80000003
Public Const HKEY_PERFORMANCE_DATA = &H80000004

Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hkey As Long) As Long
Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hkey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hkey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hkey As Long, ByVal lpSubKey As String) As Long
Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hkey As Long, ByVal lpValueName As String) As Long
Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hkey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hkey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long

Function RegQueryStringValue(ByVal hkey As Long, ByVal strValueName As String)
    
    Dim lResult As Long
    Dim lValueType As Long
    Dim strBuf As String
    Dim lDataBufSize As Long
    
    On Error GoTo 0
    lResult = RegQueryValueEx(hkey, strValueName, 0&, lValueType, ByVal 0&, lDataBufSize)
    If lResult = ERROR_SUCCESS Then
        If lValueType = REG_SZ Then
            strBuf = String(lDataBufSize, " ")
            lResult = RegQueryValueEx(hkey, strValueName, 0&, 0&, ByVal strBuf, lDataBufSize)
            If lResult = ERROR_SUCCESS Then
                RegQueryStringValue = StripTerminator(strBuf)
            End If
        End If
    End If
    
End Function

Public Function GetString(hkey As Long, strpath As String, strvalue As String)

    Dim keyhand&
    Dim datatype&
    r = RegOpenKey(hkey, strpath, keyhand&)
    GetString = RegQueryStringValue(keyhand&, strvalue)
    r = RegCloseKey(keyhand&)

End Function

Function StripTerminator(ByVal strString As String) As String
    Dim intZeroPos As Integer

    intZeroPos = InStr(strString, Chr$(0))
    If intZeroPos > 0 Then
        StripTerminator = Left$(strString, intZeroPos - 1)
    Else
        StripTerminator = strString
    End If
End Function

Public Sub SaveString(hkey As Long, strpath As String, strvalue As String, strdata As String)

    Dim keyhand&
    r = RegCreateKey(hkey, strpath, keyhand&)
    r = RegSetValueEx(keyhand&, strvalue, 0, REG_SZ, ByVal strdata, Len(strdata))
    r = RegCloseKey(keyhand&)

End Sub

注释：Into the form
Private Sub Command1_Click()

    注释：保存一个键值到注册表中
     SaveString HKEY_LOCAL_MACHINE, "SoftwareMicrosoftWindowsCurrentVersionRun", "MyApp", "C:MyApp.exe"
End Sub

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