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II3IDParameter::ExpressionIsValid Property

get_ExpressionIsValid

Indicates whether or not the expression contained in this parameter is valid. If the expression is empty, this method returns FALSE.

IDL Function Prototype

HRESULT ExpressionIsValid(

   [out, retval] VARIANT_BOOL * exprIsValid

);

C/C++ Syntax

HRESULT get_ExpressionIsValid(VARIANT_BOOL * exprIsValid);

Parameters

exprIsValid

Returns True if the expression contained in this parameter is valid. False is returned if the express in invalid or empty.