public int RegisterDeviceEvent(EventCallbackFunction eventFunc, object obj)
{
unsafe
{
if (eventList.Count == 0)
{
var eventFunctionDelegate = new EventFunctionDelegate(eventFunction);
if (obj != null)
{
eventContextHandle = GCHandle.Alloc(obj);
registeredEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceEvent(eventFunctionDelegate, (void *)GCHandle.ToIntPtr(eventContextHandle))
: WinInterop.tdRegisterDeviceEvent(eventFunctionDelegate, (void *)GCHandle.ToIntPtr(eventContextHandle)));
}
else
{
registeredEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceEvent(eventFunctionDelegate, null)
: WinInterop.tdRegisterDeviceEvent(eventFunctionDelegate, null));
}
if (callbackFunctionReferenceList.ContainsKey(registeredEventFunctionId))
{
callbackFunctionReferenceList.Remove(registeredEventFunctionId);
}
callbackFunctionReferenceList.Add(registeredEventFunctionId, eventFunctionDelegate);
}
this.lastEventID++;
int lastEventID = this.lastEventID;
eventList.Add(lastEventID, eventFunc);
return(lastEventID);
}
}
/// <summary>
/// Register a callback event function to be called when a device event (e.g. turn on, turn off) occurs
/// </summary>
/// <param name="eventFunc">Callback function to be called</param>
/// <param name="obj">Context object that will be echoed back when function is called. Only the object when the first function is registered will be used. Set to null if not used.</param>
/// <returns>Callback event id</returns>
public unsafe int tdRegisterDeviceEvent(EventCallbackFunction deviceEventFunc, Object obj)
{
int returnValue = 0;
if (deviceEventList.Count == 0)
{
//first added, register with dll too
UnmanagedImport.EventFunctionDelegate deviceEventFunctionDelegate = new UnmanagedImport.EventFunctionDelegate(deviceEventFunction);
registeredEventFunctionId = UnmanagedImport.tdRegisterDeviceEvent(deviceEventFunctionDelegate, (void *)null); //context here or above?
GC.Collect();
callbackFunctionReferenceList.Add(registeredEventFunctionId, deviceEventFunctionDelegate);
}
++lastEventID;
returnValue = lastEventID;
DeviceEventFunctionContext deviceEventFuncContext = new DeviceEventFunctionContext();
deviceEventFuncContext.eventCallbackFunc = deviceEventFunc;
deviceEventFuncContext.context = obj;
deviceEventFuncContext.callbackId = returnValue;
deviceEventList.Add(returnValue, deviceEventFuncContext);
return(returnValue);
}
public int RegisterDeviceEvent(EventCallbackFunction eventFunc, object obj)
{
unsafe
{
if (eventList.Count == 0)
{
var eventFunctionDelegate = new EventFunctionDelegate(eventFunction);
if (obj != null)
{
eventContextHandle = GCHandle.Alloc(obj);
registeredEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceEvent(eventFunctionDelegate, (void*) GCHandle.ToIntPtr(eventContextHandle))
: WinInterop.tdRegisterDeviceEvent(eventFunctionDelegate, (void*) GCHandle.ToIntPtr(eventContextHandle)));
}
else
{
registeredEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceEvent(eventFunctionDelegate, null)
: WinInterop.tdRegisterDeviceEvent(eventFunctionDelegate, null));
}
if (callbackFunctionReferenceList.ContainsKey(registeredEventFunctionId))
{
callbackFunctionReferenceList.Remove(registeredEventFunctionId);
}
callbackFunctionReferenceList.Add(registeredEventFunctionId, eventFunctionDelegate);
}
this.lastEventID++;
int lastEventID = this.lastEventID;
eventList.Add(lastEventID, eventFunc);
return lastEventID;
}
}
/// <summary>
/// Register a callback event function to be called when a device event (e.g. turn on, turn off) occurs
/// </summary>
/// <param name="eventFunc">Callback function to be called</param>
/// <param name="obj">Context object that will be echoed back when function is called. Only the object when the first function is registered will be used. Set to null if not used.</param>
/// <returns>Callback event id</returns>
public unsafe int tdRegisterDeviceEvent(EventCallbackFunction deviceEventFunc, Object obj)
{
int returnValue = 0;
if (deviceEventList.Count == 0)
{
//first added, register with dll too
UnmanagedImport.EventFunctionDelegate deviceEventFunctionDelegate = new UnmanagedImport.EventFunctionDelegate(deviceEventFunction);
registeredEventFunctionId = UnmanagedImport.tdRegisterDeviceEvent(deviceEventFunctionDelegate, (void*)null); //context here or above?
GC.Collect();
callbackFunctionReferenceList.Add(registeredEventFunctionId, deviceEventFunctionDelegate);
}
++lastEventID;
returnValue = lastEventID;
DeviceEventFunctionContext deviceEventFuncContext = new DeviceEventFunctionContext();
deviceEventFuncContext.eventCallbackFunc = deviceEventFunc;
deviceEventFuncContext.context = obj;
deviceEventFuncContext.callbackId = returnValue;
deviceEventList.Add(returnValue, deviceEventFuncContext);
return returnValue;
}
