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Has Implementation? Method

LabVIEW 2013 Help

Edition Date: June 2013

Part Number: 371361K-01

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Short Name: HasImplementation

Requires: Base Development System

Class: LVClassLibrary Methods

To Use: Create a method.

Returns TRUE if the class contains the specified VI. If the VI exists, this method returns the path and qualified name of the VI. If the class contains the specified VI, but the VI has never been saved, this method returns <Not A Path> and a valid qualified name.


Data typeNameRequiredDescription
VI NameYesSpecifies the name of the VI you want to find.
Consider Parent Classes?NoSpecifies whether you want to look for the VI within ancestors of the class. If multiple ancestors contain a VI with the specified name, LabVIEW chooses the ancestor with the closest implementation. Consider Parent Classes? does not look within missing or corrupt ancestor classes.
VI PathNoReturns the path to the specified VI. If the class does not include the VI, VI Path returns <Not A Path>.
VI Qualified NameNoReturns the qualified name of the VI. If the class does not include the VI, VI Qualified Name returns an empty string.


The following table lists the characteristics of this method.

Data type
Available in Run-Time EngineNo
Available in Real-Time Operating SystemNo
Settable when the VI is runningNo
Loads the front panel into memoryNo
Need to authenticate before useNo
Loads the block diagram into memoryNo
Remote access allowedYes
Must wait until user interface is idleNo
Available with control VIsNo
Available with global VIsNo
Available with strict type definitionsNo
Available with polymorphic VIsNo


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