/**
* <summary>
* Retrieves a digital IO port 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 IO port is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDigitalIO.isOnline()</c> to test if the digital IO port is
* indeed online at a given time. In case of ambiguity when looking for
* a digital IO port 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>
* </summary>
* <param name="func">
* a string that uniquely characterizes the digital IO port
* </param>
* <returns>
* a <c>YDigitalIO</c> object allowing you to drive the digital IO port.
* </returns>
*/
public static YDigitalIO FindDigitalIO(string func)
{
YDigitalIO obj;
obj = (YDigitalIO)YFunction._FindFromCache("DigitalIO", func);
if (obj == null)
{
obj = new YDigitalIO(func);
YFunction._AddToCache("DigitalIO", func, obj);
}
return(obj);
}
/**
* <summary>
* Retrieves a digital IO port 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 IO port is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDigitalIO.isOnline()</c> to test if the digital IO port is
* indeed online at a given time. In case of ambiguity when looking for
* a digital IO port 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>
* </summary>
* <param name="func">
* a string that uniquely characterizes the digital IO port
* </param>
* <returns>
* a <c>YDigitalIO</c> object allowing you to drive the digital IO port.
* </returns>
*/
public static YDigitalIO FindDigitalIO(string func)
{
YDigitalIO obj;
obj = (YDigitalIO)YFunction._FindFromCache("DigitalIO", func);
if (obj == null)
{
obj = new YDigitalIO(func);
YFunction._AddToCache("DigitalIO", func, obj);
}
return obj;
}