OBJECT CLASS SPECIFYING DEVICE, WIDGET AND REALIZING METHOD THEREOF

摘要

PURPOSE: To provide a method for defining an object class defined at the time of compiling and object class at an execution time which cannot be identified. CONSTITUTION: One of widget has a monitor function related to a specified resource. When the resource is accessed, the related monitor function 719 is executed. The other widget has a call back tester function 721 related to the list of a call back function. A call back tester function is started when the resource of the widget is corrected, and the function on the call back function list is started when a test is succeeded. The other types of the widget are made to fit to express a server and a client. In the widget the resource expresses inter-process communication and an operation for the resource is related to inter-process communication.