public UposEventArguments(IUposProperties properties)
{
Properties = properties;
DataEventHandler = EmptyData;
ErrorEventHandler = EmptyError;
StatusUpdateEventHandler = EmptyStatus;
OutputCompleteEventHandler = EmptyOutput;
DirectIOEventHandler = EmptyDirectIO;
}
protected virtual void OnStatusUpdate(I2cEncoderEventArgs e)
{
StatusUpdateEventHandler handler = StatusUpdate;
if (handler != null)
{
handler(this, e);
}
}
protected virtual void OnStatsUpdate(StatusUpdateEventArgs e)
{
StatusUpdateEventHandler handler = StatusUpdateHandler;
if (handler != null)
{
handler(this, e);
}
}
protected virtual void OnRaiseStatusChangedEvent(StatusChangedEventArgs e)
{
// Make a temporary copy of the event to avoid possibility of
// a race condition if the last subscriber unsubscribes
// immediately after the null check and before the event is raised.
StatusUpdateEventHandler handler = StatusChangedEvent;
// Raise the event
if (handler != null)
{
handler(this, e);
}
}
public static void RemoveChannelListener(string channel, StatusUpdateEventHandler listenerCallback)
{
var evt = GetChannel(channel);
ChanneledEvents[channel] = (StatusUpdateEventHandler)Delegate.Remove(evt, listenerCallback);
}
