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.
The email structure
The email structure is a preset structure of WLanguage (no declaration is required)......
Managing MQTT
MQTT is a "publish-subscribe" messaging protocol based on the TCP/IP protocol......
HStatNbRecRange (Function)
Returns an estimate regarding the number of entries for a given key item in a given interval of values.
TwainToBMP (Function)
Allows you to perform one of the following actions: save the document coming from the Twain device in a Bitmap file (".BMP" extension). view the document coming from the Twain device in the user interface of the device. save the document coming from the Twain device directly in memory in Bitmap format (in a buffer)....
TwainToControl (Function)
Allows you to : view the document coming from the Twain device in an Image control. view the document coming from the Twain device in the user interface of device....
The Radio Button control
The Radio Button control is a control allowing the user to select an option among several ones......
TreeView constants
List of constants used by the TreeXXX functions...
MinAutoID (Property)
The MinAutoID property is used to get the minimum automatic identifier of a replicated data file.
DecimalPart (Function)
Returns the decimal part of a number.
Handling controls in a window
The different operations that can be performed on the window controls are as follows......
TelemetryIsEnabled (Function)
Used to find out whether the telemetry is enabled.
DynamicServingConfigure (Function)
Indicates the environment that will be used by the "Dynamic Serving" to choose the set of pages to display.
PasswordProtected (Property)
The PasswordProtected property is used to determine if a datafile is password-protected.
hRSConfig (Type of variable)
The hRSConfig type is used to define the advanced characteristics of a replication between 2 HFSQL servers.
AppParameter (Function)
Returns information about the mechanism for automatic application update.
AppVersionInfo (Function)
Returns information about a version available on the setup server.
HTrackStop (Function)
Stops tracking a data file on an HFSQL server.
GetTypeDefinition (Function)
Gets the description of a type identified by name.
IntegerToMonthInAlpha (Function)
Returns the name of the month that corresponds to the specified date (this date is an integer).
IntegerToTime (Function)
Converts an integer into a time in HHMMSSCC format.
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
AlbumPicker (Function)
Retrieves a photo, an image or a video stored in the photo album of the mobile device.
Description of ParallelTask (Type of variable)
The Description of ParallelTask type is used to define the characteristics of a parallel task.
Report viewer: "Print" tab
The report viewer allows end users to view reports before printing them......
AppUPDAvailable (Function)
Allows you to find out whether an update is available for the specified application.