CalcIt Commands

FIELDEXISTS(vr, FieldName)

Checks if a field FieldName is already initialized in the multi-field value passed to vr. If the field exists return TRUE (1) otherwise FALSE (0). e.g.

vr.Mouse:=100;
print(FieldExists(vr,'Mouse'));

This will print 1 (TRUE).

See more about fields at Using fields.

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