ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Data Source (Variable type)
A Data Source variable is used to describe a temporary data source (query, view, alias, etc.).
MySource (Reserved word)
MySource is used to handle the current data source (file, view or query) associated with a report or with a table based on a data file...
HDataSourceKnown (Function)
Determines if a data source has been initialized.
SQLListSource (Function)
Lists the data sources declared on a local site.
<Source>.DataSourceKnown (Function)
Determines if a data source has been initialized.
FilterCondition (Property)
The FilterCondition property allows you to know the selection condition set by HFilter on a data file, HFSQL view or query.
LooperToExcel (Function)
Creates an Excel file from the data found in a Looper control (browsing Looper control or memory Looper control).
EmailStartNotesSession (Function)
Allows you to access the data handled by the Lotus Notes messaging (emails, contacts, groups of contacts, tasks, appointments).
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
hScheduleMaterializedView (Variable type)
The hScheduleMaterializedView type is used to programmatically manage a task for recalculating the data of a scheduled materialized view on an HFSQL server.
Utility components
WINDEV includes several utility components that allow you to handle data directly......
4. HFSQL Classic
Limitations of WINDEV, WEBDEV and WINDEV Mobile
ScreenToSource (Function)
Automatically initializes: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
13. Security advantage: "Back" button
Calculates the symmetric difference between a geographic polygon and another geometry....
Handling Gantt Chart controls programmatically
Customizing the setup program (Plug-in)
In a setup program, you may want to customize some actions......
Creating an RSS stream
WINDEV, WEBDEV and WINDEV Mobile allow you to produce and/or consume an RSS feed (Rapid Simple Syndication)......
Creating an RSS reader
WINDEV, WEBDEV and WINDEV Mobile allow you to produce and/or consume an RSS feed (Rapid Simple Syndication)......
<Page>.FromFile (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
FileToPage (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
User Groupware and files accessed via a Native Connector
An application that works with the User Groupware can be used with a database handled by a Native Connector......
Secret string vault
Passwords, private keys and tokens are often used in programming......
Creating and handling an item
The main operations that can be performed on an item are as follows......
WDAdminHF: Saving the databases
The remote HFSQL administrator allows you to create backups of HFSQL Client/Server data files......