ONLINE HELP
 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.
Managing bar codes
The use of bar codes to identify and manage products has become essential...
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
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.
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
UnicodeToAnsi (Function)
Converts: a UNICODE string to ANSI (Windows). a buffer containing a UNICODE string to a buffer containing an ANSI string (Windows)....
HFileExist (Function)
Determines: whether a file exists, which means whether it was physically created (HCreation or HCreationIfNotFound). whether a view or a query was defined....
HListTrigger (Function)
Returns the list of triggers applied to one or more HFSQL data files.
HSL (Function)
Creates a color from its hue, saturation and lightness.
SocketClientInfo (Function)
Allows the server to get information about the current client socket.
HTTPGetResult (Function)
Retrieves the result or the header of last HTTP request run.
Mean (Function)
Calculates the mean of several elements: elements found in an array, numeric values, ......
ThreadEnd (Function)
Ends the execution of the current thread.
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
User Groupware and Native Connector files
An application that works with the User Groupware can be used with a database handled by a Native Connector......
fDir (Function)
Finds a file or directory.
HOnServerCall (Function)
Customizes the management of message display on the client computer and the management of disconnection from a client computer.
emailSMTPSession (Type of variable)
The emailSMTPSession type is used to access a messaging server by using the SMTP protocol (Simple Mail Transfer Protocol) in order to send emails.
NetGetFile (Function)
Retrieves an existing file from an FTP server (File Transfer Protocol) powered by WINDEV. This function is kept for backward compatibility....
ArraySeekByProcedure (Function)
Seeks an element in a one-dimensional WLanguage array by using a comparison procedure.
RealToDateTime (Function)
Converts an 8-byte real to a date and time.
RGBGreen (Function)
Returns the green component of an RGB color.
RGBRed (Function)
Returns the red component of an RGB color.
RGBBlue (Function)
Returns the blue component of an RGB color.
Other operators
The following are additional operators......
EmailDeleteMessage (Function)
Deletes the current email using the current protocol (POP3, IMAP, MS Exchange, Lotus Notes or Outlook).