public int RegisterDeviceChangeEvent(DeviceChangeEventCallbackFunction deviceEventFunc, object obj)
{
unsafe
{
if (deviceChangeEventList.Count == 0)
{
var deviceChangeEventFunctionDelegate = new DeviceChangeEventFunctionDelegate(deviceEventFunction);
if (obj != null)
{
deviceChangeEventContextHandle = GCHandle.Alloc(obj);
registeredDeviceChangeEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceChangeEvent(deviceChangeEventFunctionDelegate,
(void *)GCHandle.ToIntPtr(deviceChangeEventContextHandle))
: WinInterop.tdRegisterDeviceChangeEvent(deviceChangeEventFunctionDelegate,
(void *)GCHandle.ToIntPtr(deviceChangeEventContextHandle)));
}
else
{
registeredDeviceChangeEventFunctionId = ((!_isWin)
? LinuxInterop.tdRegisterDeviceChangeEvent(deviceChangeEventFunctionDelegate, null)
: WinInterop.tdRegisterDeviceChangeEvent(deviceChangeEventFunctionDelegate, null));
}
if (!callbackFunctionReferenceList.ContainsKey(registeredDeviceChangeEventFunctionId))
{
callbackFunctionReferenceList.Remove(registeredDeviceChangeEventFunctionId);
}
callbackFunctionReferenceList.Add(registeredDeviceChangeEventFunctionId,
deviceChangeEventFunctionDelegate);
}
this.lastEventID++;
int lastEventID = this.lastEventID;
deviceChangeEventList.Add(lastEventID, deviceEventFunc);
return(lastEventID);
}
}