NullableBoolean.ToNullableInt64 Method 

Converts this NullableBoolean structure to a NullableInt64 structure.

Return Value

Null if this NullableBoolean is Null otherwise a new NullableInt64 structure whose Value equals 1 if this NullableBoolean structure's Value is true or equals 0 if this NullableBoolean structure's Value is false.

See Also

NullableBoolean Class | NullableTypes Namespace