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.
gFont (Function)
Builds a sequence of characters describing the font that will be used for the text.
zipExtractFile (Example)
Usage example of the zipExtractFile function
gFontSize (Function)
Builds a sequence of characters used to specify the size of the font for a text found in a graphic string.
gFontItalic (Function)
Builds a sequence of characters used to specify whether or not the text that follows the call to this function is in italic type.
gFontUnderlined (Function)
Builds a sequence of characters to specify whether or not the text that follows the call to this function is underlined.
zipAddDirectory (Example)
Usage example of the zipAddDirectory function
LooperSelectPlus (Function)
Selects a row in a Looper control.
TablePosition (Function)
Displays a Table or TreeView Table control from a specified row or returns the index of the first row displayed in a Table or TreeView Table control.
Window with arrow (iPad)
The principle of windows with arrow is straightforward......
LooperAddInProgress (Function)
Modifies or returns the visibility status of internal wait window when adding additional elements into an infinite Looper control.
Background tasks
Continuing to run a process when the application is in background is very useful on mobile......
LooperPosition (Function)
Moves the scrollbar to display a specific row or returns the index of the first row displayed in a Looper control populated programmatically.
gAlignment (Function)
Builds a sequence of characters containing an aligned text or an aligned image.
LooperSelectMinus (Function)
Deselects a row in a Looper control.
ControlExist (Function)
Checks the existence of a control (or group of controls) in a window, in a page or in a report.
gFontBold (Function)
Builds a sequence of characters used to specify whether the text that follows the call to this function is in bold or not.
TableSelect (Function)
Returns the index of the selected element in the Table or TreeView Table control.
TableSelectCount (Function)
Returns the number of selected elements in a Table or TreeView Table control (especially multi-selection controls).
Y (Property)
The Y property is used to: Find out the Y-coordinate of a control or window (position on Y-axis). Modify the Y-coordinate of a control or window....
EmailGetAll (Function)
Retrieves all the emails found on a server.
LooperSelect (Function)
Returns the index of the selected element in a Looper control.
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
Local procedure
Two types of procedures are available......
ListSelectPlus (Function)
Selects one or more elements in a List Box, ListView or Combo Box control.
grAddData (Function)
Adds a data into a chart.