10. A computer system according to claim 9, wherein said host processor further executes said editing program to acquire data items necessary for definition of arguments and attributes of a program interface of the selected application program from dictionary data managed by a repository, and to automatically update the arguments and attributes of the program interface when the dictionary data is changed.
10. A computer system according to claim 9, wherein said host processor further executes said editing program to acquire data items necessary for definition of arguments and attributes of a program interface of the selected application program from dictionary data managed by a repository, and to automatically update the arguments and attributes of the program interface when the dictionary data is changed. 11. A computer system according to claim 10, wherein said repository corresponds to a centralized database on the network for storing and managing interface definition information and data items.