14.8.5.14 operator - (OracleTimeStamp, TimeSpan)
This static operator subtracts the supplied TimeSpan value, from the supplied OracleTimeStamp value, and returns a new OracleTimeStamp structure. 
                  
Declaration
// C# public static operator - (OracleTimeStamp value1, TimeSpan value2);
Parameters
- 
                        value1An OracleTimeStamp.
- 
                        value2A TimeSpaninstance.
Return Value
An OracleTimeStamp structure.
                  
Remarks
If the OracleTimeStamp instance has a null value, the returned OracleTimeStamp structure has a null value.