public ActiveXControl(string libFileName)
{
moduleHandle = LoadLibrary(libFileName);
if (moduleHandle == IntPtr.Zero)
{
throw new DllNotFoundException("The library " + libFileName + " could not be found.");
}
IntPtr dllRegisterServerProcAddress = IntPtr.Zero;
dllRegisterServerProcAddress = GetProcAddress(moduleHandle, "DllRegisterServer");
if (dllRegisterServerProcAddress == IntPtr.Zero)
{
throw new InvalidActiveXControlException("The library does not have a DllRegisterServer export.");
}
IntPtr dllUnregisterServerProcAddress = IntPtr.Zero;
dllUnregisterServerProcAddress = GetProcAddress(moduleHandle, "DllUnregisterServer");
if (dllUnregisterServerProcAddress == IntPtr.Zero)
{
throw new InvalidActiveXControlException("The library does not have a DllUnregisterServer export.");
}
DllRegisterServer = Marshal.GetDelegateForFunctionPointer(dllRegisterServerProcAddress, typeof(DllRegisterServerDelegate)) as DllRegisterServerDelegate;
DllUnregisterServer = Marshal.GetDelegateForFunctionPointer(dllUnregisterServerProcAddress, typeof(DllRegisterServerDelegate)) as DllRegisterServerDelegate;
}
private void RegisterServer(DllRegisterServerDelegate DllRegisterServer)
{
uint errorCode = DllRegisterServer();
if (errorCode != 0)
{
throw new Win32Exception("Failed to register the DLL Server (" + errorCode + ").");
}
}
public bool UnregisterDLL(string FileName)
{
if (!File.Exists(FileName))
{
this.LastError = string.Format("Unable to find {0} in application dir.", FileName);
return(false);
}
_unregister = (DllRegisterServerDelegate)FunctionLoader.LoadFunction <DllRegisterServerDelegate>(FileName, "DllUnregisterServer");
int i = _unregister();
if (i > 0)
{
return(true);
}
else
{
return(false);
}
}
