public int /* IOleObject:: */ SetClientSite([In] IntPtr /* IOleClientSite */ pClientSite)
{
_logger.Log(LogLevel.Trace, "IOleObject::SetClientSite() called");
// IOleObject::SetClientSite is typically called with pClientSite = null just before calling IOleObject::Close()
// We release all host COM objects here in that instance.
_cachedClientSite?.Dispose();
_cachedClientSite = null;
if (pClientSite != IntPtr.Zero)
{
_cachedClientSite = new Wrapper_IOleClientSite(pClientSite);
return(_userControl.IOleObject.SetClientSite(_cachedClientSite.PeekAggregatedReference())); // callee will take its own reference
}
return((int)ComConstants.S_OK);
}
private void ReleaseActiveXControlComReference()
{
_logger.Log(LogLevel.Trace, "IOleObject::Close() ... closing down host COM references");
_cachedClientSite?.Dispose();
_cachedClientSite = null;
}
