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.
How to create an SQL query to get a sum?
This help page explains how to create a Sum query with the query editor....
BrowserIPAddress (Function)
Returns the IP address of the client computer connected to the WEBDEV website.
eToCurrency (Function)
Converts a value expressed in Euro into another currency.
eToEuro (Function)
Converts to Euro a value expressed in a specific currency.
The Scheduler control
...The Scheduler control is used to automatically display and handle schedules. It is used to manage the display of multiple resources and it is used in several applications or sites....
StatCorrelation (Function)
Calculates the coefficient of correlation between two series of values.
StatStandardDeviationP (Function)
Calculates the standard deviation for a full series of values.
AuthIdentify (Function)
Performs an authentication using the OAuth 2.0 protocol on any web service.
SQLColumn (Function)
Returns the characteristics of all the columns (or items): for a given table. for a given query....
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.
Buffer (Type de variable)
The Buffer type corresponds to a binary memory area.
Native Sybase Connector: Specific features and remarks
The following paragraphs present the main aspects and specific features of the Native Sybase Connector (also called Native Sybase Access)......
dLine (Function)
Draws a line: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
dBackground (Function)
Declares the default background color for the rectangles, circles, etc.:: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
dCircle (Function)
Draws a circle or an ellipse: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
dPen (Function)
Declares the default color and style for the lines, rectangles, circles, ... found: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
ExeGetPID (Function)
Returns information about the current process.
CalendarSelectCount (Function)
Returns the number of days selected in a Calendar control.
ArcTan2 (Function)
Returns the arc tangent 2 of the values passed in parameter.
EpochToDateTime (Function)
Converts a date and a time in Epoch format (number of time units since 01/01/1970 at 00h00 UTC) to a local datetime....
xlsCoordinatesToName (Function)
Retrieves the name of a cell, XLS worksheet or Spreadsheet control according to its coordinates.
InMinutes (Property)
The InMinutes property is used to convert a Duration variable to minutes.