| Name | Description |
|---|---|
| Command | |
| CreateFrameForm | |
| DuplicateTypeForm | form to duplicate FamilySymbol and edit its name and parameters |
| EditTypeNameForm | form to edit Type's name |
| ErrorMessageException | pass error message to UI or back to internal error messagebox by Execute method in IExternalCommand |
| FrameBuilder | create columns, beams and braces to create framing |
| FrameData | data class contains information to create framing |
| FrameTypeParameters | for control PropertyGrid to show and modify parameters of column, beam or brace |
| FrameTypesMgr | data manager take charge of FamilySymbol object in current document |