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.
EmailReadMessageHeader (Function)
Reads the header of an incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
HChangeDir (Function)
Changes the path to a table (i.e. directory in which the file will be handled).
HReadNext (Function)
Sets the position on the next table record according to a browse item.
HDeleteParameter (Function)
Deletes a parameter previously saved by HSaveParameter.
Reduce (Function)
Applies a computation to each element of a WLanguage array.
InsertLine (Function)
Inserts a row at a given position: into a two-dimensional WLanguage array. into an advanced two-dimensional array property (xlsDocument, etc.)....
Constants for managing XML documents
List of constants used by the functions for managing XML documents....
xlsCurrentWorksheet (Function)
Used to find out and modify the current worksheet in an XLS file.
ThreadPause (Function)
Pauses the current thread during the specified duration.
AppInstallUPD (Function)
Triggers the automatic update of current application.
SocketRead (Function)
Retrieves a message sent by another socket.
FOR EACH/FOR ALL statement (browse of associative arrays)
The FOR EACH statement is used to perform different types of browse on the associative arrays...
gStoredValue (Function)
Adds an "invisible" value to an element in a List Box, Combo Box or Scheduler control.
Word Processing constants
The following constants are used by the functions for managing the Word Processing control:...
Elements of a class: Enumerating and handling through programming
Several types of WLanguage variables are used to enumerate and dynamically handle the elements of a class......
Scheduler control: Customize appointments
In the Scheduler control, the appointment is displayed in a specific area......
Native SQL Server Connector: Specific features and remarks
The following paragraphs present the main aspects and specific features of the Native SQL Server Connector......
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
After (Property)
The After property replaces or inserts a procedure after the other procedures in: a Procedure variable. an event associated with a control....
Random (Function)
Returns a random number.
xlsNbColumn (Function)
Returns the number of columns found in a worksheet of an XLS file.
XMLOut (Function)
Used to find out whether the element (tag or attribute) on which we want to be positioned is outside the XML document.