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.).
<Source>.DataSourceKnown (Function)
Determines if a data source has been initialized.
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.
The Calendar control
The Calendar control is used to permanently display a calendar in a window or page......
Background tasks
Continuing to run a process when the application is in background is very useful on mobile......
Creating a Java archive
When your Java application is developed, you can......
Check: Activity of an application
The monitoring robot proposes to check the activity of a WINDEV application......
How to fill a TreeView control?
This help page explains how to fill a TreeView control....
Binding a Slider control to an item
A Slider control can be bound to an item in a data file, query, etc....
The triggers
A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ......
9. Distributing "Reports and Queries"
Analysis links
The links are used to link the files found in an analysis between themselves......
The "Analysis" pane
The "Analysis" pane lists......
DateTimeValid (Function)
Checks the validity of a date/time between January 01, 0001 at 0 hours 0 minutes 0 seconds 0 hundredths of a second and December 31, 9999 at 23 hours 59 minutes 59 seconds 99 hundredths of a second....
Start of Document block
The Start of document block is printed once at the beginning of the report execution......
Properties available in Java
WINDEV allows you to generate a Java application without even knowing the Java language......
URISelect (Function)
Opens a system window to select a resource from: from the device file system, from the Cloud (Google Drive, Microsoft OneDrive, etc.) or from one of the content managers installed on the device....
Window with parameters
A window can: Receive parameters when it is opened. Return values when it is closed....
Importing/Consuming web services
WINDEV, WEBDEV and WINDEV Mobile allow you to directly import Webservices into your applications......
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications by factorizing the code......
3. Dates, arrays and structures
WINDEV Tutorial: WLanguage basics Lesson 3 - Dates, arrays and structures - 20 min
FTPDateTime (Function)
Returns the different dates and times (creation, modification or access) associated with a file found on an FTP server (File Transfer Protocol).
Testing a Java project and compiling it
When your Java application is developed, you can run the test of the Java project and compile it before creating the archive......
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file......
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
Managing the analysis versions
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the different versions of the analysis from the data model editor......
OrganizerListAppointment (Function)
Returns: the list of appointments found between two dates in an Organizer control, all appointments found in an Organizer control, a specific appointment (selected or hovered)....
SchedulerListAppointment (Function)
Returns: the list of appointments found between two dates in a Scheduler control, all the appointments found in a Scheduler control, a specific appointment (selected or hovered)....