C++ (Cpp) XnDeviceModule::UnregisterFromOnPropertyValueChanged Examples

Example #1

File: XnDeviceBase.cpp Project: 0pascal0/SensorKinect

XnStatus XnDeviceBase::UnregisterFromPropertyChange(const XnChar* Module, const XnChar* PropertyName, XnCallbackHandle hCallback)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	XN_VALIDATE_INPUT_PTR(Module);
	XN_VALIDATE_INPUT_PTR(PropertyName);
	XN_VALIDATE_INPUT_PTR(hCallback);

	XnPropertyCallback* pRealCookie = (XnPropertyCallback*)hCallback;

	XnDeviceModule* pModule;
	nRetVal = FindModule(Module, &pModule);
	XN_IS_STATUS_OK(nRetVal);

	// first unregister it from property
	nRetVal = pModule->UnregisterFromOnPropertyValueChanged(PropertyName, pRealCookie->hCallback);
	XN_IS_STATUS_OK(nRetVal);

	XnValue val = pRealCookie;
	XnList::Iterator it = m_PropertyCallbacks.Find(val);
	if (it != m_PropertyCallbacks.end())
	{
		m_PropertyCallbacks.Remove(it);
	}

	// now free the memory
	XN_DELETE(pRealCookie);

	return (XN_STATUS_OK);
}