ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

The Captcha control
The "captcha" are the distorted texts that the Web user must decode and re-enter in a site before validating a form....
Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic data file......
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
Managing mutexes in threads
A mutex is used to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given time....
KanbanInfoXY (Function)
For a given position (coordinates of a point) in a Kanban control, returns one of the following: the number of the card at that position, the number of the list at that position...
HandwrittenInput (Property)
The HandwrittenInput property is used to manage stylus or mouse input (Windows XP Tablet PC or Windows Vista, respectively).
<Window>.ToFile (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the window controls are automatically updated with the values of these controls. This function is also available for WEBDEV pages....
Report viewer: "Print" tab
The report viewer allows end users to view reports before printing them......
Error 531: The negative or null subscripts are not allowed
SQL statements
The main SQL statements allowed in the SQL queries managed by WINDEV and WEBDEV are as follows......
Drag and Drop management functions
The following functions are used to manage Drag and Drop:...
WDAPI overview
WDAPI simplifies the use of Windows APIs in a WINDEV application......
Control templates and inheritance
When a control template is applied to a page or to a window, all controls and code found in the template are "copied" into the page or window......
Automatic features of edit controls
Edit controls provide multiple automatic features available in all the controls of your applications without writing a single line of code......
WEBDEV Application Server 2024
fAttributeReadOnly (Function)
Gets and sets the read-only attribute of a file.
Window templates and inheritance
When a window template is applied to a window, all the controls and code in the template are "copied" to the window......
WDHFDiff - Use
WDHFDiff is used to compare......
7. HFSQL: files physically created
5. HFSQL Client/Server
XML management: Use example
This application example manages an XML file named "Orders......
I was using C with WINDEV 5.5. How to proceed in WINDEV 2024?
You have the ability to use external languages with WINDEV......
zipExtractDirectory (Function)
Automatically extracts and decompresses files from a directory in the file tree of an archive to a physical location.
8. Traffic statistics of dynamic sites
WDSQL: Creating an SQL query
Once the connection to the database is established, WDSQL allows you to create different types of SQL queries......