This dialog box allows you to choose what to do with the object of the model, when you dragged some properties from the class or complex type to the diagram sheet. Note that the dialog options differ depending on the object from which the properties are moved.
The following options are available if you drag properties from a class:
New complex type - creates a new complex type. Choose this option when you want to create a new complex type from the dragged properties and add a new property of this type to the class. (Not available in LINQ to SQL)
Existing complex type - use an existing complex type. Choose this option when you want to add a new property of the existing complex type instead of the dragged properties. (Not available in LINQ to SQL)
New derived class - creates a new derived class. Choose this option when you want to create a new derived class with this set of properties.
New base class - creates a new base class. Choose this option when you want to create a new base class with this set of properties.
Existing base class - use an existing base class. Choose this option when you want to make your class inherited from an existing class.
The following options are available if you drag properties from a complex type:
New complex type - creates a new complex type. Choose this option when you want to create a new complex type from the dragged properties and add a new property of this type to the class. (Not available in LINQ to SQL)
Existing complex type - use an existing complex type. Choose this option when you want to add a new property of the existing complex type instead of the dragged properties. (Not available in LINQ to SQL)