''(声明:魏滔序原创,转贴请注明出处。)
''阿国哥的代码(找到链接后再补上),我稍微改良了一下,做绿色软件的朋友肯定用的到。
''IDE下可以引用那个dll使用。编译后可以在未注册dll的计算机上正常工作了。
''使用方法:
''Dim pDll As Long ''记录Dll,用来最后完美释放
''Dim Update As Update.Handle ''要实例化的对象
''Set Update = LoadObjectByName(App.Path & "Update.dll", "Handle", pDll) '' New Update.Handle
''If Update Is Nothing Then Exit Sub
''Update.Test ''<--类中的方法
''Set Update = Nothing ''<-----这句不能少,否则会出现意外错误
''UnLoadDll pDll ''<----释放
''模块中:
Option Explicit
Private Declare Function LoadLibrary()Function LoadLibrary Lib "kernel32" Alias "LoadLibraryW" (ByVal lpLibFileName As Long) As Long
Private Declare Function GetProcAddress()Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lpProcName As String) As Long
Private Declare Function FreeLibrary()Function FreeLibrary Lib "kernel32" (ByVal hLibModule As Long) As Long
Private Declare Function CallAsmCode()Function CallAsmCode Lib "user32" Alias "CallWindowProcW" (FirstAsmCode As Long, ByVal pA As Long, ByVal pB As Long, ByVal pC As Long, lpD As Long) As Long
Private Declare Sub CopyMemory()Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private AsmCode(94) As Long
Public Function LoadObjectByName()Function LoadObjectByName(ByVal DllPath As String, ByVal ClsName As String, pDll As Long) As Object
Dim pObj As Long, TLIAPP As Object, TLI As Object
Dim CLSID As String, IID As String, IIDName As String
On Error GoTo Err
Set TLIAPP = CreateObject("TLI.TLIApplication")
Set TLI = TLIAPP.TypeLibInfoFromFile(DllPath)
IIDName = "_" & Trim(ClsName)
CLSID = TLI.GetTypeInfo(Trim(ClsName)).GUID
IID = TLI.GetTypeInfo(Trim(IIDName)).GUID
Set LoadObjectByName = LoadObjectByID(DllPath, CLSID, IID, pDll)
Set TLI = Nothing
Err:
End Function
Public Function LoadObjectByID()Function LoadObjectByID(ByVal DllPath As String, ByVal CLSID As String, ByVal IID As String, pDll As Long) As Object
Dim pObj As Long
Call InitAsmCode
pObj = CallAsmCode(AsmCode(20), StrPtr(DllPath), StrPtr(CLSID), StrPtr(IID), pDll)
CopyMemory LoadObjectByID, pObj&, 4&
End Function
责任编辑:小草