期刊名称：Ovidius University Annals: Economic Sciences Series
电子版ISSN：2393-3127
出版年度：2017
卷号：17
期号：1
语种：English
出版社：Ovidius University Press
摘要：controls can be placed in Word documents,Excel spreadsheets,PowerPoint slides or Web Forms applications. These controls are selected from the Toolbox and they allow user interaction. A control has adjustable attributes (properties) and it detects events (it is “alive”). Controls are associated with code sequences,in the form of certain procedures,called event procedures.
