Tuto WINDEV 25

40 Part 1: Discovering WINDEV • Record : A record is sometimes called row. A data file record corresponds to all items defined for the data file. • Item : In the analysis, an item represents a section of a data file. All items found in a data file are used to define the structure of a record. • Key/Index : With WEBDEV and its HFSQL database, the concept of index is linked to the concept of key. The concept of key is part of the item characteristics. The keys are used to improve the speed for accessing data and to simplify the browse operations performed on the data files. In WINDEV, if a HFSQL data file includes several key items, a single index file will be created at run time. The following terms are used in the windows and reports : • Window : Windows are used to display or type information on the screen. The windows are also called "Screens" or "Dialog boxes". The user can directly act on the windows via controls, buttons, ... • Report : Reports are used to get a custom view of information. This information can come from the database, from text files, from controls found in the windows, ... The reports can be previewed, printed on paper, generated in PDF or in HTML, ... • Control : "Control" is the term used to identify the different graphic objects displayed in a window or report. • Skin template : The skin template is used define the application style: visual appearance of windows, buttons, controls, ... • Style : The style groups the graphic characteristics of an element: background image, border, font, ... The styles of the different elements found in the interface of a WINDEV application are grouped in a style sheet. Important In an application, the "CustomerName" entity can correspond to: • the name of a window control, • the name of a report control, • the item of a data file, • a variable defined by the developer.