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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.
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
Managing bar codes
The use of bar codes to identify and manage products has become essential...
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.
1. HFSQL Client/Server: Implementation
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 1 - HFSQL Client/Server: Implementation - 10 min...
Thumbnail (Property)
The Thumbnail property can be used on: the items of an HFSQL data file. For more details, see Thumbnail property on items. the Thumbnail controls (WEBDEV only). For more details, see Thumbnail property on Thumbnail controls....
Subject (Property)
The Subject property is used to get and change the subject of an element.
Error 117: The array has X dimensions and you access it with Y dimensions
Error 201: The method already has a virtual attribute
InitialValue (Property)
The InitialValue property is used to get and/or change an initial value....
MongoGridFSGetFileInfo (Function)
Allows you to get information about a MongoDB file (gridFS).
<Image variable>.DrawRectangle (Function)
Draws a rectangle in an Image variable.
<Image>.DrawRectangle (Function)
Draws a rectangle in an Image control.
<Image variable>.DrawPolygon (Function)
Draws a polygon in an Image variable.
<Image>.DrawPolygon (Function)
Draws a polygon in an Image control,
HIndex (Example)
Usage example of the HIndex function
HTTPGetResult (Example)
Usage example of the HTTPGetResult function
xlsNbColumn (Example)
Usage example of the xlsNbColumn function
MatMultiply (Example)
Usage example of the MatMultiply function
<WDPic variable>.DrawPolygon (Function)
Draws a polygon in a WDPic variable.
<picLayer variable>.DrawPolygon (Function)
Draws a polygon in a picLayer variable.
<Image>.DrawChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line) in an Image control.
<Image variable>.DrawArc (Function)
Draws a circle arc or an ellipse arc in an Image variable.
<Image>.DrawArc (Function)
Draws a circle arc or an ellipse arc in an Image control.
<Image variable>.DrawChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line) in an Image variable.