internal void Advise(ComWrapper owner)
{
Owner = owner;
var cpc = owner.ComObject.Target as ComTypes.IConnectionPointContainer;
cpc.FindConnectionPoint(ref guid, out connectionPoint);
connectionPoint.Advise(this, out cookie);
isAdvised = true;
}
/// <exception cref="InvalidOperationException">Already attached to IOPCShutdown connection point.</exception>
public void Connect(object comServer)
{
if (IsConnected)
{
throw new InvalidOperationException("Already attached to the connection point.");
}
var connectionPointContainer = (IConnectionPointContainer)comServer;
var riid = typeof(T).GUID;
connectionPointContainer.FindConnectionPoint(ref riid, out _connectionPoint);
int cookie;
_connectionPoint.Advise(_sink, out cookie);
_cookie = cookie;
}
private void Initialize(object rcw, Guid sourceIid)
{
_sourceIid = sourceIid;
_adviseCookie = -1;
Debug.Assert(_connectionPoint == null, "re-initializing event sink w/o unadvising from connection point");
ComTypes.IConnectionPointContainer cpc = rcw as ComTypes.IConnectionPointContainer;
if (cpc == null)
{
throw Error.COMObjectDoesNotSupportEvents();
}
cpc.FindConnectionPoint(ref _sourceIid, out _connectionPoint);
if (_connectionPoint == null)
{
throw Error.COMObjectDoesNotSupportSourceInterface();
}
// Read the comments for ComEventSinkProxy about why we need it
ComEventSinkProxy proxy = new ComEventSinkProxy(this, _sourceIid);
_connectionPoint.Advise(proxy.GetTransparentProxy(), out _adviseCookie);
}
