CCFXRequest::AttributeExists  
 
 
BOOL CCFXRequest::AttributeExists(LPCSTR lpszName)

Checks to see whether the attribute was passed to the tag. Returns TRUE if the attribute is available; otherwise, returns FALSE.

lpszName

Name of the attribute to check (case insensitive).

 
 
  Example  
 

The following example checks to see if 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." ) ;
}


 
 
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