ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Telemetry: Configuring the WINDEV and WINDEV Mobile applications
To use the telemetry in a WINDEV or WINDEV Mobile application, you must......
Summary table: Managing the application directories according to the platform
GDPR (Property)
The GDPR property is used to: find out if the GDPR applies to an item from a data file. define whether the GDPR should apply to an item (in the item description in the code only)....
Extension (Property)
The Extension property is used to: get the extension of a file defined in the data model editor or through programming. define the extension of a file (when the file is described through programming only)....
Accessing Outlook
WINDEV and WEBDEV allow you to easily access the data handled by Outlook......
3. Dates, arrays and structures
WEBDEV Tutorial - WLanguage basics Lesson 3 - Dates, arrays and structures - 20 min
LatestDateCovered (Property)
The LatestDateCovered property is used to get the date of the last selected record. This property can be used on: a sfSeekUpdatedResult variable. a sfSeekDeletedResult variable]....
"About" window
The "About" window is used to display and access various information about the current application......
The Internal Page control
The "Internal Page" control is used to include a page (and its code) in a control of another page......
Client/Server transactions: Available isolation modes
The HFSQL engine proposes to isolate the transactions......
Managing HBase databases
HBase is a non-relational (NoSQL) distributed database, based on columns and using non-structured storage for large tables......
Creating anchors
The anchors are used to define specific points in a help page......
Refreshing a page
Refreshing a page consists in re-displaying a page that is already open in the browser......
Variant (Type of variable)
The Variant type is used to: store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ... store named or indexed subelements. store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists. handle the NULL value in WLanguage. store interactions with ActiveX objects and Automation programming....
NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of HFSQL data files and for all the other types of accesses (Native, OLE DB, ......
Creating a select query
A select query (corresponding SQL statement......
The Looper control
A Looper control is used to repeat the controls found in a specific area......
GDPR: Concrete solutions
GDPR: General Data Protection Regulation...
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
WINDEV and the streams - Use example
In this example, the application must manage a video conference between two computers......
Error 303: ambiguous control name
StartVisibleRange (Property)
The StartVisibleRange property is used to: get and change the first visible date or time in a Scheduler or TimeLine control. change the first visible time in a TimeLine control....
HierarchicalDepth (Property)
The HierarchicalDepth property is used to: Find out the depth of a hierarchical control in a report. Modify the depth of a hierarchical control in a report (only if the report uses a data source through programming)....
EpochToDateTime (Function)
Converts a date and a time in Epoch format (number of time units since 01/01/1970 at 00h00 UTC) to a local datetime....
RecordSize (Property)
The RecordSize property is used to get the size (in bytes) of a record in: a file described in the data model editor, a file described through programming, an HFSQL view, a query....