Assembly: mscorlib (in mscorlib.dll)
- Type: System.Double
The number of whole and fractional seconds to add. This value can be positive or negative.
Return ValueType: System.DateTime
An object whose value is the sum of the date and time represented by this instance and the number of seconds represented by value.
The fractional part of value is the fractional part of a second. For example, 4.5 is equivalent to 4 seconds, 500 milliseconds, and 0 ticks.
The value parameter is rounded to the nearest millisecond.