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.
Constants for sound management
List of constants used by the functions for sound management....
HListItem (Example)
Usage example of the HListItem function
grSeriesPointType (Function)
Modifies the type of point for a series found in a Line, Area, Scatter and Radar chart.
ModbusSendRawFrame (Function)
Sends a raw frame to a Modbus slave. This enables communication with devices that do not strictly comply with the Modbus standard.
Alignment
The Alignment property is used to align elements.
CurrentIndex (Function)
Depending on the specified control, returns: the number of the current row displayed in the current Table control, the number of the option with focus in a Check Box control, the number of the current row in the current Looper control, the index of the current indexed control....
grCategoryColor (Function)
Initializes the category color for a chart whose type is: Pie, Column, Bubble chart, Waterfall....
Assisted universal replication through programming
The assisted replication through programming is used to implement a replication on an existing application while controlling the synchronization in the application itself......
Error 802: Invalid syntax for this function
HErrorDuplicates (Example)
Usage example of the HErrorDuplicates function
FTPGet (Example)
Usage example of the FTPGet function
InternalPage
The Internal Property Page allows you to define the name of the internal Page to use.
InternalWindow
The Property Internal Window allows you to define the name of the internal window to use.
ZOrder (Property)
The ZOrder property defines the Z-order of an element.
How to create an SQL query to get a TOP 10?
This help page presents the method for creating an SQL query used to get the first 10 records......
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
Check Box control properties
Several WLanguage properties can be used on the Check Box controls found in a window, in a page or in a report......
LINUX: Accessing the ODBC databases
The native access to HFSQL Classic and Client/Server is available for the WINDEV applications running in Linux ("console" applications) and for the WEBDEV sites hosted in Linux......
Installing a WEBDEV cluster
A WEBDEV cluster is a set of servers (or server farm)......
Facebook functions
List of Facebook functions...
SQLExec (Example)
Usage example of the SQLExec function
HMergeView (Function)
Creates an HFSQL view from two previously created views (HCreateView). This function uses the former view mechanism.
GesturePosY (Function)
Returns the vertical position of the pointer (finger or stylus).
Comparing controls
In some cases, you may need to compare two controls in one or more windows or pages......
Advanced dialog boxes
The advanced dialog boxes are windows allowing you to communicate with the user......