我做了一个简单的安装程序,在IE5的系统中,我需要把msxml3.dll拷贝到system32目录下,因为msxml3.dll是普通的dll,所以我以为不用注册就可以用,但是安装好的程序不能加载msxml3.dll,我手工方式注册了msxml3.dll后,虽然系统显示注册成功,但是查看注册表并没有注册进去,随后我的程序就能正确运行了(为什么?)。我试图在VB做的安装程序里用WINEXEC来注册msxml3.dll,但是不同于在命令行里注册,无法注册成功,因此我的程序始终不能在IE5的环境下运行(不能找到msxml3.dll),还请各位指教。
http://www.microsoft.com/china/msdn/workshop/joyofsax.asp
Option Explicit
Private Declare Function LoadLibraryA Lib "kernel32" (ByVal lLibFileName As String) As Long
Private Declare Function CreateThread Lib "kernel32" (lThreadAttributes As Any, ByVal lStackSize As Long, ByVal lStartAddress As Long, ByVal larameter As Long, ByVal lCreationFlags As Long, lThreadID As Long) As Long
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal hHandle As Long, ByVal lMilliseconds As Long) As Long
Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lProcName As String) As Long
Private Declare Function FreeLibrary Lib "kernel32" (ByVal hLibModule As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function GetExitCodeThread Lib "kernel32" (ByVal hThread As Long, lExitCode As Long) As Long
Private Declare Sub ExitThread Lib "kernel32" (ByVal lExitCode As Long)
'Purpose : This function registers and Unregisters OLE components
'Inputs : sDllPath The path to the DLL/OCX
' bRegister If True Registers the control, else unregisters control
'Outputs : Returns True if successful
'Author : Andrewb
'Date : 04/09/2000
'Notes : This effectively replaces RegSvr32.exe by loading the library and
' calling the register or unregister functions exposed by all OLE components.
'Revisions :
Function RegisterServer(ByVal sDllPath As String, Optional bRegister As Boolean = True) As Boolean
Dim lLibAddress As Long, lProcAddress As Long, lThreadID As Long, lSuccess As Long, lExitCode As Long, lThread As Long
Dim sRegister As String
Const clMaxTimeWait As Long = 20000 'Wait 20 secs for register to
complete
On Error GoTo ExitFunc
If Len(sDllPath) > 0 And Len(Dir(sDllPath)) > 0 Then
'File exists
If bRegister Then
sRegister = "DllRegisterServer"
Else
sRegister = "DllUnregisterServer"
End If
'Load library into current process
lLibAddress = LoadLibraryA(sDllPath)
If lLibAddress Then
'Get address of the DLL function
lProcAddress = GetProcAddress(lLibAddress, sRegister)
If lProcAddress Then
'Found interface, make call to component
lThread = CreateThread(ByVal 0&, 0&, ByVal lProcAddress, ByVal 0&, 0&, lThread)
If lThread Then
'Created thread
lSuccess = (WaitForSingleObject(lThread, clMaxTimeWait) = 0)
If Not lSuccess Then
'Failed to register, close thread
Call GetExitCodeThread(lThread, lExitCode)
Call ExitThread(lExitCode)
RegisterServer = False
Else
'Register control
RegisterServer = True
Call CloseHandle(lThread)
End If
End If
Else
'Object doesn't expose OLE interface
FreeLibrary lLibAddress
End If
Call FreeLibrary(lLibAddress)
End If
End If
ExitFunc:
On Error GoTo 0
End Function