The real number of seconds stored on server is contained in TotalSeconds property. Its constituent parts are Days, Hours, Minutes, Seconds, and Milliseconds. When a value is assigned to PgSqlInterval object, it is automatically parsed and appropriate properties are filled with right values.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2