protected virtual void ConnectPropertyNotifySink()
{
if (this.projectPropertyNotifySinkCookie != (uint)ShellConstants.VSCOOKIE_NIL)
{
return;
}
IConnectionPoint connectionPoint = this.GetConnectionPointFromPropertySink();
if (connectionPoint != null)
{
connectionPoint.Advise(this, out this.projectPropertyNotifySinkCookie);
}
}