This constructor creates and initializes an instance of the ImGearXMPDate class from a System.DateTime value. If the kind of DateTime value is Unspecified, the time zone offset (hour and minute) of the ImGearXMPDate class instance are left uninitialized. If the kind of DateTime value is UTC, the time zone offset (hour and minute) ImGearXMPDate class instance are initialized with zeroes. If the kind of DateTime value is Local, the time zone offset (hour and minute) ImGearXMPDate class instance are initialized with local time zone offset.