virtual P6R::P6ERR P6R::p6IXpathTime::extractHours ( P6INT32 *  pHour  )  [pure virtual]

Extract the 24 hours from the time value stored in the component.

Parameters:
pHour [OUT] A value from [0..23].
Returns:
SuccessP6R::eOk 
FailureP6R::eTypeErrorOnly P6XPATH_TYPE_TIME, P6XPATH_TYPE_DATETIME have hours.
P6R::eInvalidArgpHour is NULL.
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