Computes the sum of the two specified NullableInt64 structures.

[Visual Basic]

NullableInt64.op_Addition(x, y)

NullableInt64.op_Addition(x, y)

*x*- A NullableInt64 structure.
*y*- A NullableInt64 structure.

Null if either instance of NullableInt64 is Null otherwise a NullableInt64 structure whose Value property contains the results of the addition.

Exception Type | Condition |
---|---|

OverflowException | The addition compute a number that is less than MinValue or greater than MaxValue. |

NullableInt64 Class | NullableTypes Namespace