Features setting nullable type for example nullbool

Setting procedure Flexberry Designer to support Nullable-types by building type bool?.

You want to use on the class diagram type bool?. To do this:

1.to create a class NullBool with stereotype typedef 2.on the map types generator objects to add the line:

Type Appears to
NullBool System.Nullable</esc>

3.on the map types generator database add the line:

Type Appears to
NullBool BIT

After that, it becomes possible to use the diagrams type NullBool, which when generated will work as bool?.