private void Dialog_MessageDispatching(Object sender, MessageDispatchingEventArgs e)
{
if (this.Filter.Intercept(e.Message) == true)
{
try
{
this.Callback(new MessageReceivedEventArgs <TMessage>(( TMessage )e.Message, e.DialogProvider));
}finally
{
e.Cancel = true;
}
}
}
protected void Dispatch <TMessage>(IMessage message, Action <TMessage> callback)
where TMessage : class, IMessage
{
TMessage?dispatchee = message as TMessage;
if (dispatchee is not null)
{
MessageDispatchingEventArgs eventArgs = new MessageDispatchingEventArgs(dispatchee, this.DialogProvider);
this.MessageDispatching?.Invoke(this, eventArgs);
if (eventArgs.Cancel == false)
{
callback(dispatchee);
}
}
}
