ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

TraceDeleteAll (Function)
Clears the content of trace window opened in parallel with the current window.
TraceEnd (Function)
Closes the trace window if this window was opened or stops saving the trace information in a text file.
TraceStart (Function)
Opens the trace window or saves the trace information in a text file.
FTPTime (Function)
Returns the different times (creation, modification or access) associated with a file found on an FTP server (File Transfer Protocol).
fCompress (Function)
Compresses a file.
BitmapInfo (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file : format, width and height, number of bits per pixel....
Management of PDF files
PDF is one of the most widely used formats for transmitting and storing electronic documents......
HAdd (Function)
Adds: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file....
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file....
hdfsRights (Type of variable)
The hdfsRights type is used to define the advanced characteristics regarding the access rights to an element (file, link, directory) of the Hadoop file system.
Body Complement block
The Body complement block is linked to the Body block......
Zombie data files and items
During the life of an application, items live and die......
FTPDateTime (Function)
Returns the different dates and times (creation, modification or access) associated with a file found on an FTP server (File Transfer Protocol).
hdfsStatus (Type of variable)
The hdfsStatus type is used to define the advanced characteristics regarding the status of an element (file, directory, link) in the Hadoop file system.
<Source>.MigrateLinkedCompositeKey (Function)
Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.
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...
CtDescribedPassword (Property)
The CtDescribedPassword property allows you to set the password used to open the data file in an OLE DB connection (file defined in the code only).
HMigrateLinkedCompositeKey (Function)
Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.
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)....
Native PostgreSQL Connector: Programming with SQL functions
You can use SQL functions to handle the PostgreSQL database......
Native MariaDB Connector: Programming with SQL functions
The SQL functions can be used to handle the MariaDB database......
Native MySQL Connector: Programming with SQL functions
The SQL functions can be used to handle the MySQL database......
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file......
Report based on a text file
In a report based on a text file, the information to print is read from a text file or is directly assigned in the report controls......
Displaying a report in PDF format in the browser of the Web user
To display a report in PDF format in the browser of the Web user, you must......
Downloading a report in PDF format on the computer of the Web user
To propose to download a report in PDF format on the computer of the Web user, you must......
How to populate a TreeView control using a data file?
By default, the TreeView control cannot automatically display the data coming from a data file......