ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

TraceEnd (Function)
Closes the trace window if this window was opened or stops saving the trace information in a text file.
TraceDeleteAll (Function)
Clears the content of trace window opened in parallel with the current window.
TraceStart (Function)
Opens the trace window or saves the trace information in a text file.
Handling an Internal Window control through programming
The "Internal Window" control is used to display an existing internal window......
HInfoLog (Function)
Returns information about the server logs.
FTPDate (Example)
Usage example of the FTPDate function
AJAX programming
The diagram below presents the use of "programmed AJAX" in a WEBDEV site......
Image (Type of variable)
The Image type is used to define the advanced characteristics of an image.
Table,Search (External language)
Searches for a value in a Table control populated programmatically.
NoteLoadAll (Function)
Imports and displays the repositionable notes of the current window saved beforehand by NoteSaveAll.
iLink (Function)
Adds a link to a URL address into the HTML page currently printed.
The Layout control
The Layout control simplifies the implementation of dynamic UIs where controls are displayed and/or hidden programmatically......
HTransactionRollbackToSavepoint (Function)
Rolls the transaction back to the savepoint.
iParameter (Function)
Retrieves the printer configuration and configures the print.
Setup by HTTP (Network setup via IP)
The network setup via HTTP consists in installing and updating a WINDEV application via an HTTP server (Live update)......
TextDirection (Property)
The TextDirection property is used to determine and change the writing direction in a window, report or control (useful for languages such as Arabic or Hebrew).
JSONToVariant (Example)
Usage example of the JSONToVariant function
HOnError (Example)
Usage example of the HOnError function
inAppProduct (Type of variable)
The inAppProduct type is used to define the advanced characteristics of a product for an In-App purchase.
jQueryExecute (Function)
Runs a JavaScript method of the jQuery library on a page element.
Camera control: decoding bar codes
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture......
Image Editor control: Options in the ribbon and the panes
The Image Editor control offers a host of options accessible via......
Deploying an action plan
Once created, the action plans must be deployed in order to be run.
FreeAWPContext (Function)
Frees the AWP context in advance (on disk) to allow the other call on the same AWP context to be processed in parallel.
Select query description window: Use
Let's see some operations specific to the description window of a select query......
WDSQL: Running an SQL query
WDSQL is used to run all the SQL queries created by WDSQL......
ExceptionChangeParameter (Function)
Configures the automatic behavior that will be implemented if an exception occurs in the current process.
WLanguage functions available for a report
Most WLanguage functions can be used in the events of a report (created with the report editor)......