ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

emailOutlookSession (Type of variable)
The emailOutlookSession type is used to handle the Outlook messaging software (emails, contacts, groups of contacts, tasks, appointments and folders).
HDBOpenNoLock (Function)
In single-user mode, opens an xBase data file without locking it.
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
DateTimeLocalToUTC (Function)
Converts a local date and time (time zone, summer time, winter time) to UTC.
<Gantt chart>.ChangeMode (Function)
Changes the number of days displayed in a Gantt Chart column in a Table or TreeView Table control.
HExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
<HFSQL file>.ExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
Canada.CheckBN15 (Function)
Checks the validity of a Canadian 15-digit Business Number (BN15).
Canada.CheckBN9 (Function)
Checks the validity of a Canadian 9-digit Business Number (BN9).
<Connection variable>.DeleteFile (Function)
Deletes the HFSQL data files (.fic, .ndx, .ftx and .mmo files if they exist) from the server.
<Connection variable>.TransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
Utility components
WINDEV includes several utility components that allow you to handle data directly......
HCreation (Function)
Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary.
3. Dates, arrays and structures
WINDEV Tutorial: WLanguage basics Lesson 3 - Dates, arrays and structures - 20 min
Importing/Consuming web services
WINDEV, WEBDEV and WINDEV Mobile allow you to directly import Webservices into your applications......
Context menu of TimeLine controls
By default, TimeLine controls contain a context menu....
5. HFSQL Client/Server
Pop (Function)
Pops an element from a stack.
Row (Property)
The Row property is used to manipulate one or more rows.
8. OOP
WINDEV Mobile Tutorial - WLanguage basics Lesson 8 - OOP - 30 min
8. OOP
WEBDEV Tutorial - WLanguage basics Lesson 8 - OOP - 30 min
8. OOP
WINDEV Tutorial - WLanguage basics Lesson 8 - OOP - 30 min
Scanner functions (prefix syntax)
The scanner functions are as follows:...
Binding a List Box control to an item
A List Box control can be bound to an item in a data file, query, etc....
Storing the breaks in the Table/Looper controls (AAF)
When end users work on a complex Table or Looper control with multiple breaks, they may want to save the current layout......