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.
ListSeek (Function)
Searches for an element in a List Box, ListView or Combo Box control (including the values described by gStoredValue).
geoPosition (Type of variable)
The geoPosition type is used to handle geographic positions via WLanguage geolocation functions.
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX function.
2. Performance profiler
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 2 - Performance profiler - 15 min
AppointmentReset (Function)
Reinitializes: the Appointment structure. the Appointment variable....
NbPrintedRec (Property)
The NbPrintedRec property is used to determine the number of records already printed.
sEscape (Function)
Runs different functions that directly affect the bits of serial port, parallel port or infrared port, independently of the communication protocol.
iImageHeight (Function)
Calculates the height of the image to print (in millimeters).
iImageWidth (Function)
Calculates the width of the image to print (in millimeters).
HActivateAutoFilter (Function)
Enables an automatic filter on the linked files when browsing an XML file.
iPageNum (Function)
Returns or initializes the number of the page currently printed.
MatAdd (Function)
Adds two matrices of same dimensions (same number of rows and same number of columns).
MatMultiply (Function)
Multiplies two matrices.
BufferToHexa (Function)
Converts a buffer into a displayable hexadecimal string (e.g. "4A 5B 00").
IntegerToDate (Function)
Converts an integer into a date in YYYYMMDD format.
HExecuteProcedure (Function)
Runs a stored procedure.
fParentDir (Function)
Returns the path of the parent directory for the specified directory.
OKCancel (Function)
Displays a message in a standard dialog box that proposes "OK" and "Cancel" and returns the user's choice....
dbgEnableAssert (Function)
Enables or disables the assertive programming.
ChangeAction (Example)
Usage example of ChangeAction
2. Performance profiler
WINDEV Tutorial: Optimizing a project Lesson 2 - Performance profiler - 15 min
Ribbon of editors
The different options of the WINDEV, WEBDEV and WINDEV Mobile editors are presented via a ribbon......
SetFocusAndReturnToUserInput (Function)
Stops the current process, sets the focus to the specified control, window or page, and allows the user to enter data.