/** * <summary> * Retrieves a digital input chain for a given identifier. * <para> * The identifier can be specified using several formats: * </para> * <para> * </para> * <para> * - FunctionLogicalName * </para> * <para> * - ModuleSerialNumber.FunctionIdentifier * </para> * <para> * - ModuleSerialNumber.FunctionLogicalName * </para> * <para> * - ModuleLogicalName.FunctionIdentifier * </para> * <para> * - ModuleLogicalName.FunctionLogicalName * </para> * <para> * </para> * <para> * This function does not require that the digital input chain is online at the time * it is invoked. The returned object is nevertheless valid. * Use the method <c>YInputChain.isOnline()</c> to test if the digital input chain is * indeed online at a given time. In case of ambiguity when looking for * a digital input chain by logical name, no error is notified: the first instance * found is returned. The search is performed first by hardware name, * then by logical name. * </para> * <para> * If a call to this object's is_online() method returns FALSE although * you are certain that the matching device is plugged, make sure that you did * call registerHub() at application initialization time. * </para> * <para> * </para> * </summary> * <param name="func"> * a string that uniquely characterizes the digital input chain, for instance * <c>MyDevice.inputChain</c>. * </param> * <returns> * a <c>YInputChain</c> object allowing you to drive the digital input chain. * </returns> */ public static YInputChain FindInputChain(string func) { YInputChain obj; lock (YAPI.globalLock) { obj = (YInputChain)YFunction._FindFromCache("InputChain", func); if (obj == null) { obj = new YInputChain(func); YFunction._AddToCache("InputChain", func, obj); } } return(obj); }
protected static void yInternalEventCallback(YInputChain obj, String value) { obj._internalEventHandler(value); }