This document covers the following topics:

• Description

• Parameters

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Description

Validates a handle variable. A handle variable is considered valid if it contains either the value NULL-HANDLE or a handle to an existing dialog or dialog element.

Parameters

Name/Data Type	Explanation
HANDLE OF GUI	Input Any dialog or dialog element.
Response (I4)	Output Natural error (if applicable), or 0 if handle variable is valid.

Example:

PROCESS GUI ACTION VALIDATE WITH #PB-1 
GIVING #RESPONSE