Adds two specified TimeSpan instances.
An object whose value is the sum of the values of t1 and t2.
Type Reason OverflowException The sum of t1 and t2 is less than TimeSpan.MinValue or greater than TimeSpan.MaxValue.
The TimeSpan.op_Addition(TimeSpan, TimeSpan) method defines the addition operator for TimeSpan values. It enables code such as the following:
code reference: System.TimeSpan.Operators#1
Languages that do not support custom operators can call the TimeSpan.Add(TimeSpan) method instead.