typedef  struct {
      WindowType            window;
      UInt16                formId;
      FormAttrType          attr;
      WinHandle             bitsBehindForm;
      FormEventHandlerType  *handler;
      UInt16                focus;
      UInt16                defaultButton;
      UInt16                helpRscId;
      UInt16                menuRscId;
      UInt16                numObjects;
      FormObjListType       *objects;
   }  FormType;

• window: Structure of the window object that corresponds to the form
• formId: ID number of the form, specified by the application developer
• attr: Form object attributes. See FormAttrType.
• bitsBehindForm: Used to save all the bits behind the form so the screen can be properly refreshed when the form is closed
• handler: Routine called when the form needs to handle an event
• focus: Index of a field/table object within the form containing the focus
• defaultButton: Resource ID of the object defined as the default button
• helpRscId: Resource ID number of the help resource
• menuRscId: ID number of a menu bar to use if the form has a menu, or zero if the form doesn't have a menu
• numObjects: Number of objects contained within the form
• objects: Pointer to the array of objects contained within the form

formId: ID of the form to display