ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

The Bar Code control
The Bar Code control displays bar codes in your windows, pages or reports...
Bar Code functions
The following functions are used to manage bar codes:
iPrintBarCode (Function)
Prints a bar code (inside a rectangle).
Reading bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to create applications for reading bar codes...
Camera field: decode bar codes (prefix syntax)
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
CameraStartDecoding (Function)
Starts decoding bar codes in a Camera control.
<Camera>.StopDecoding (Function)
Stops decoding a bar code in a Camera control.
CameraStopDecoding (Function)
Stops decoding bar codes in a Camera control.
Managing bar codes
The use of bar codes to identify and manage products has become essential...
Decoding bar codes using a Camera control
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
BCCapture (Function)
Decodes the information stored in a bar code by using the device camera (Android, iPhone, iPad).
Printing bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to print bar codes.
BCToImage (Function)
Generates the image of a bar code.
BCDecode (Function)
Decodes the information stored in a QR Code bar code.
VideoStartDecoding (Function)
Starts decoding bar codes in a Camera control.
BCCalculateControlCharacter (Function)
Returns the check code of a bar code.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
Error 1050: This member already exists in the composite variable
Error 122: The name of an Automation object must be a string
Error 1021: The method of the class is not global
SOAPAddXMLSignature (Function)
Adds an XML signature to a Webservice request.
Date
The Date keyword can correspond to...
LooperToXML (Function)
Creates an XML file with data from a Looper control (Looper control based on a data file or populated programmatically).
xmlSignatureReference (Type of variable)
The xmlSignatureReference type is used to add a reference section into the XML signature.
Using ODBC on HFSQL Classic via JDBC
The ODBC driver on HFSQL Classic is used to access a HFSQL Classic database from an external database software that supports ODBC accesses......
ImageInfoModify (Function)
Modifies the value of an Exif tag for the image used.
List of reserved words
BurnerSelect (Function)
Used to select the default burner.
KeyCalcActivationKey (Function)
Calculates the activation key of application from the initial key.
OrganizerZoom (Function)
Returns the time range displayed by an Organizer control.
Error 1007: The member is global: use the: operator: to access it
Error 1012: The class member is not global: it cannot be accessed from a global method
How to associate an image with an element found in a TreeView Table?
This help page explains how to customize the default image associated with the elements found in a TreeView Table....
9. Queries
A query is used to request information from a database to view, insert, change or delete data....
grImageSize (Function)
Defines the size of the image containing the chart.
Using an external component in an application
A component can be reused at any time in any application......
Selecting the files to install and the installer framework
The setup wizard allows you to: Select and configure the files to install. This step is very important. Specify the WINDEV framework used by the installer....
MenuDelete (Function)
Deletes a menu or a menu option.
KeyCompareKey (Function)
Compares an initial key with an activation key.
Error 403: The item does not belong to the file
Error 810: * can only be used for a parameter with a default value
gpwEnumControl (Function)
Enumerates the controls found in a window or page.