DateTime.ToBinary Method   
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
public:
 long ToBinary();public long ToBinary();member this.ToBinary : unit -> int64Public Function ToBinary () As LongReturns
A 64-bit signed integer that encodes the Kind and Ticks properties.
Remarks
For more information about this API, see Supplemental API remarks for DateTime.ToBinary.