protected override bool OnCanExecute(object parameter)
{
if (parameter is IUserDescriptor userDescriptor)
{
return(UserUtility.CanSendMessage(this.authenticator, userDescriptor));
}
else if (parameter is IDomainMemberDescriptor domainMemberDescriptor)
{
return(DomainMemberUtility.CanSendMessage(this.authenticator, domainMemberDescriptor));
}
return(false);
}
