DMDataExists Function

Determines if the named data exists in the current PV‑WAVE session.

Usage

result = DMDataExists(data_name) 

Input Parameters

data_name—A scalar string containing a data name (in the default domain, $GLOBAL) or a 2-element string array containing a domain name and data name.

Returned Value

result—Returns true if the named data exists; returns false otherwise. Also returns false if the data_name is invalid.

Discussion

To be valid, the data_name input parameter name must begin with a letter. The name is not case-sensitive, and may contain letters, underscores, and numbers.

Examples

See the example for DMRestore.

See Also

DMCopyData, DMEnumerateData, DMGetData, DMInit, DMRemoveData, DMRenameData, DMRestore, DMStoreData