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.
TableDisplay (Function)
Refreshes a Table or TeeeView Table control from a given position: for a control linked to a file: changes made in the linked data file are reflected in the control. for a control handled programmatically: the calculated columns are re-calculated....
Creating and using a REST Webservice
A REST WebService is a program hosted on a server containing functions accessible via HTTP requests......
ArrayToString (Function)
Converts a one- or two-dimensional array to a character string.
HListDatabase (Function)
Lists the Client/Server databases associated with a connection....
FontUnderlined (Property)
The FontUnderlined property is used to: Determine if the text is underlined. Underline (or not) a text....
OpenContextMenu (Function)
Automatically opens a context menu for the current control, window or page.
MySelf (Reserved word)
MySelf is used to handle the current control...
fOpen (Example)
Usage example of the fOpen function
1. Project audits
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 1 - Project audits - 15 min
Break in a Looper control
A break in a Looper control is used to group the data corresponding to one or more arguments......
fMakeDir (Function)
Creates a directory (and the intermediate directories if necessary).
fCopyDir (Function)
Copies the contents of a directory and its subdirectories.
BackgroundImage (Property)
The BackgroundImage property is used to identify and modify the background color of an element.
Structure (Type of variable)
A structure is a custom type of data...
UploadStart (Function)
Starts sending the selected files into an Upload control.
DisplayedValue (Property)
The DisplayedValue property returns the value currently displayed in the control of a window or page.
Title (Property)
The Title property is used to: Get the title of a Table control column, a Chart control, a window or a page Change the title of a Table control column, a Chart control, a window or a page....
TreeView control functions
The following functions are used to manage TreeView controls:...
DeepLinkProcedure (Function)
Defines the WLanguage procedure executed when the user clicks on a deep link.
SessionHeartBeatEnable (Function)
Enables or disables the "heartbeat" of the current session.
LooperSearch (Function)
Searches for a value in an attribute of a Looper control.
fWrite (Function)
Writes: a character string into an external file. a memory section....
TableCount (Function)
Returns: the number of columns found in a Table or TreeView Table control. the number of rows found in a Table or TreeView Table control....
ProgressBar (Property)
WLanguage proposes...
SQLExec (Function)
Names and runs an SQL query.