ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Managing dates and times
WINDEV, WEBDEV and WINDEV Mobile propose several methods for managing dates and times in your applications...
2. Searching and iterating over records
WINDEV Tutorial: WINDEV application: Managing data Lesson 2 - Searching and iterating over records - 30 min
OLE DB provider for HFSQL
The OLE DB provider on HFSQL is used to access an HFSQL database (Classic or Client/Server) from an external software that manages the accesses by OLE DB......
HListREP (Function)
Returns the list of assignments for the data files handled by the current application, which means the list of physical files corresponding to the files described in the analysis.
HFSQL Client/Server: Principle for saving the databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis......
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....
Displaying a page in a WEBDEV site
Displaying a new page in a WEBDEV site can be done according to several methods......
NFC: Transferring data
NFC (Near Field Communication) is a wireless communication technology at short range and high frequency used to exchange data (named "tag") between two devices or between a device and a bullet even at short distance (few centimeters)......
Action Bar of a window
Action Bars replace the title bar of a window and display different types of information......
Native DB2 Connector: Programming with HFSQL functions
To use a DB2 database with Native Connector, the structure of DB2 tables must be imported into the WINDEV or WEBDEV analysis......
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)....
grRotation (Function)
Used to: Turn a chart around one of its axes in order to better view the data. Find out the rotation angle of a chart on one of its axes....
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)....
<Organizer>.ListAppointment (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)....
<Scheduler>.ListAppointment (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)....
InvalidInputMessage (Property)
The InvalidInputMessage property is used to identify and set the message that will be displayed if the control contains invalid data (input mask or value out of bounds).
Modbus
Modbus is a "field" (industrial and/or restricted environments) communication protocol created in 1979......
Creating a select query
A select query (corresponding SQL statement......
WDOptimizer: Canceling/Freeing records in transaction
WDOptimizer is used to......
6. HFSQL Cluster
HFSQL Cluster is an extension of the HFSQL Client/Server database model....
Data model editor: types of links
Several types of links can be found between the files......
<TimeLine>.ListEvent (Function)
Returns: the list of events found between two given times in a TimeLine control, all events of a TimeLine control, a specific event (selected or hovered)....
BitcoinCoreHashRate( Function)
Returns the number of times the sha256 function had to be calculated per second to calculate the last block.. This number corresponds to a proof of work.
<Source>.HistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
HHistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
TimelineListEvent (Function)
Returns: the list of events found between two given times in a TimeLine control, all events of a TimeLine control, a specific event (selected or hovered)....