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.
Creating the Form pages of a WEBDEV RAD pattern
SetFocusAndReturnToUserInput (Function)
Stops the current process, sets the focus to the specified control, window or page, and allows the user to enter data.
ModbusDisconnect (Function)
Closes the Modbus session.
HReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
HRestorePosition (Function)
Restores the previously saved context of a file (function HSavePosition): record in progress, filter, playback pointers.
LooperSearch (Function)
Searches for a value in an attribute of a Looper control.
fMoveDir (Function)
Moves a directory and its content.
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
FileToMemory (Function)
Automatically initializes the values of the members found in a class or in a structure with the values of the items of the current file record.
PositionToLine (Function)
Returns the number of the line that contains a character identified by its position in a block of text.
HRplManageItem (Function)
Specifies the replication options for an item: the item can be replicated or not.
HTTPCancelForm (Function)
Cancels the declaration of an HTTP form and frees all its resources.
InsertLine (Function)
Inserts a row at a given position: into a two-dimensional WLanguage array. into an advanced two-dimensional array property (xlsDocument, etc.)....
fMemOpen (Function)
Opens a memory zone shared between several applications.
Remote check: Customizing with a window
To customize the remote control performed on a multi-user WINDEV application, the standard window can be replaced with a window from your application......
HTTPGetResult (Function)
Retrieves the result or the header of last HTTP request run.
The options of the User Groupware
An application is often intended to be used by several users connected via a network......
HLast (Function)
Sets the position on the last record of a table according to a browse item.
HFirst (Function)
Sets the position on the first record of a table according to the specified browse item.
dRectangleGradient (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
HRead (Function)
Reads a record in a file according to a given record number.
HUpdateSet (Function)
Creates or updates a set of procedures on an HFSQL server.