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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Bar Code functions
The following functions are used to manage bar codes:
The Bar Code control
The Bar Code control displays bar codes in your windows, pages or reports...
CameraStopDecoding (Function)
Stops decoding bar codes in a Camera control.
Printing bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to print bar codes.
BCCalculateControlCharacter (Function)
Returns the check code of a bar code.
<Camera>.StopDecoding (Function)
Stops decoding a bar code in a Camera control.
Decoding bar codes using a Camera control
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
iPrintBarCode (Function)
Prints a bar code (inside a rectangle).
BCToImage (Function)
Generates the image of a bar code.
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
Managing bar codes
The use of bar codes to identify and manage products has become essential...
BCCapture (Function)
Decodes the information stored in a bar code by using the device camera (Android, iPhone, iPad).
CameraStartDecoding (Function)
Starts decoding bar codes in a Camera control.
Camera field: decode bar codes (prefix syntax)
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
VideoStartDecoding (Function)
Starts decoding bar codes in a Camera control.
Reading bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to create applications for reading bar codes...
BCDecode (Function)
Decodes the information stored in a QR Code bar code.
MatAdd (Function)
Adds two matrices of same dimensions (same number of rows and same number of columns).
MatMultiply (Function)
Multiplies two matrices.
XMLFind (Function)
Performs a search in an XML document.
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
HCreateSubscriberReplica (Function)
Creates the description file of a subscriber replica.
HOnError (Function)
Customizes the management of HFSQL errors.
EmailOpenMail (Function)
Opens the default messaging software: of Web user on the browser computer. of the user on the current Windows computer. on the phone....
YesNo (Function)
Displays a message in a standard dialog box that proposes "Yes" and "No" and returns the user's choice....
Width (Property)
The Width property gets and changes the width: of a control or block in a report. of a control (found in a window), window, column found in a table or column found in a list box (including listview). of a control (found in a page), column found in a table or column found in a list box. The control can be overlayable or not....
StringCompare (Function)
Compares two strings character by character: according to the sequence of ASCII characters. according to the alphabetical order....
The HTML control
The HTML control displays HTML pages or HTML code......
FBStartSession (Function)
Used to authenticate and log in to Faceboook.
ServiceWait (Function)
Pauses the current service during the specified duration.
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.
fUnlock (Function)
Entirely or partially unlocks an external file.
Manipulating Dashboard controls programmatically
To programmatically manipulate Dashboard controls, WINDEV, WEBDEV and WINDEV Mobile include dashboard-specific functions......
UTF8ToAnsi (Function)
Converts a UTF-8 string to ANSI.
TreeListItem (Example)
Usage example of the TreeListItem function
5. Loops
WINDEV Tutorial - WLanguage basics Lesson 5 - Loops - 15 min
Events associated with internal windows
List of events associated with internal windows...
HExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.