xpxTestAttr

FUNCTION xpxTestAttr (instanceId , attrId : GENERIC;
                      VAR isSet           : BOOLEAN) 
                      status              : INTEGER;

The xpxTestAttr function returns TRUE in the isSet argument if the specified attribute attrId in the specified instance instanceId has a value, else the isSet argument is set to FALSE. An attribute is assigned a value by a put function like xpxPutAttr, xpxPutAttrs etc.

Arguments

Return Value

Options

Example

<Missing Example>

See also