ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Composite chart
A composite chart is a chart that displays several types of charts......
<Source>.OnError (Function)
Customizes the management of HFSQL errors.
Secure (Property)
The Secure property is used to configure the security level of data file encryption.
HSetTransaction (Function)
Enables or disables the management of transactions for one or more files.
Changes of behavior between versions 2024 and 2025
WINDEV, WEBDEV and WINDEV Mobile allow you to manipulate an Image control through programming......
Functions for managing menus (prefix syntax)
List of functions for managing menus...
Managing the certificates
Signing a file allows you to check that the file was not modified or altered since it was signed. The signature also allows you to check the issuer identity....
Handling TimeLine controls programmatically
A TimeLine control can be......
HTransactionFree (Function)
Transforms all "in transaction" records into "normal" records if they do not belong to a transaction currently in progress.
<Connection variable>.RestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
fGraphicFilter (Function)
Returns the list of image formats supported by the current platform, in the format expected by the filter of fSelect.
"Preset controls" pane
The "Preset controls" pane proposes several preset controls that can be included in the current window or in the current page by "Drag and Drop"......
Project portfolio
From version 25, you can create "project portfolios"......
BitcoinCoreDateTimeLatestBlock( Function)
Returns the date and time when the last block was created.
BitcoinCoreBlockCount( Function)
Returns the size of the blockchain known by the Bitcoin node (i.e. the number of blocks created since January 3, 2009). This makes it possible, for example, to calculate the approximate date of the next halving.
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.
The Spreadsheet control
Spreadsheets are one of the most used office tools......
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).