LONG GetTotalHours() const;
Returns the total number of complete hours in this CTimeSpan.
CTimeSpan ts( 3, 1, 5, 12 ); // 3 days, 1 hour, 5 min, and 12 sec
ASSERT( ts.GetTotalHours() == 73 );
ASSERT( ts.GetTotalMinutes() == 4385 );
ASSERT( ts.GetTotalSeconds() == 263112 );