Allows you to connect objects in your interface with the application. Callbacks are routines executed in response to user and program actions. The Callback Editor allows the Builder Xcessory to support callback lists (a single action results in the execution of a number of routines).
Note: Builder Xcessory prompts you to confirm a new procedure name.
New procedures are created with a default Parameter Type of Undeclared in the Callback Editor, indicating that parameter values of any type are accepted in the Parameter Value field. Other valid values include:
None indicates that the callback procedure takes no value as its client data. All other types are listed in the Type Manager. A duplicate list is available by clicking on the arrow to the right of the Parameter Type label in the Callback Editor.
The Parameter Type field is grayed out if the callback specified in the Procedure Name field is referenced by a widget or style resource in your interface. The procedure's parameter type cannot be changed, in either the Callback Editor or the Procedure Editor, unless all references to the procedure are removed from the interface.
Note: String values must be double-quoted.
Click the arrow button to the right of the Callback Editor's Procedure Name text field to display the following list of predefined callbacks (in the following table, the parameter widget list refers to a string of widget names delimited by commas: widget1, widget2, widget3...):