NullableBoolean.ToNullableDouble Method 

Converts this NullableBoolean structure to a NullableDouble structure.

Return Value

Null if this NullableBoolean is Null otherwise a new NullableDouble 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