Syntax

BOOL CCFXRequest::AttributeExists(LPCSTR lpszName)

Description

Checks whether the parameter was passed to the tag. Returns True if the parameter is available; False, otherwise.

Parameters

Example

The following example checks whether the user passed an attribute named DESTINATION to the tag, and throws an exception if the attribute was not passed:

if ( pRequest->AttributeExists("DESTINATION")==FALSE )
    {
        pRequest->ThrowException(
            "Missing DESTINATION parameter",
            "You must pass a DESTINATION parameter in "
            "order for this tag to work correctly." ) ;
    }