virtual P6R::P6ERR P6R::p6IXpathVariables::lookupVariable ( P6WCHAR *  pVarName,
P6XPATH_VAR pVarValue 
) [pure virtual]

Look up the value of a variable, which is of the form $name, in a registered component.

Parameters:
pVarName [IN] Variable to look up in component providing this interface.
pVarValue [OUT] A p6IXMLNode or string that corresponds to the pVarName string.
Returns:
SuccessP6R::eOk 
FailureP6R::eInvalidArgOne of the parameters is NULL. P6R::eNotFoundNo matching variable can be found.
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