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.
WDTrans: Overview
WDTrans is a tool for canceling transactions......
Creating user accounts
A User account allows the server administrator to......
Items used in a select query
A query created in the query editor can contain several types of items......
Automatic data masking
Data masking is a process that transforms the data in an item that will be displayed to the user......
UUID (Type of variable)
The UUID type is used to easily manage: UUIDs or GUIDs, automatic UUID HFSQL identifiers, identifiers for COM/Automation objects and interfaces, ......
Operations performed on class diagrams
The following paragraphs explain......
XamlDisable (Function)
Simulates the absence of .Net 3.0 framework.
xlsClose (Function)
Closes an XLS file.
ArrayCopy (Function)
Copies the content of an array to another array.
RepeatedZoneAddStart (Function)
Adds a repeat (or line) at the beginning of a field Infinite repeat zone. The repeat is inserted before the first repeat in the Repeated zone field.. The scroll position of the Repeated zone field remains unchanged.
Class diagram
A class diagram describes the structure of a system via classes and the relationships among them......
TimestampUTC (Property)
The TimestampUTC property is used to: Find out whether a timestamp item will use UTC time or local time. This item was defined in the data model editor or through programming. Define whether a timestamp item will use UTC time or local time (when describing the item through programming)....
CalculatedItemExpression (Property)
The CalculatedItemExpression property is used to: Find out the SQL expression that defines the value of a calculated item. This item was defined in the data model editor or through programming. Define the SQL expression returning the value of a calculated item (when describing the item through programming)....
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated item is stored in the data file. This item was defined in the data model editor or through programming. Define whether the value of a calculated item is stored in the data file (when describing the item through programming)....
Merging differences (SCM)
Generating a class diagram
The generation is used to create the WINDEV classes ("......
TabClose (Function)
Closes a dynamic pane in a Tab control.
TimestampType (Property)
The TimestampType property is used to: Find out the type of timestamp for an item. This item was defined in the data model editor or through programming. Define the type of timestamp for a Date, Time or DateTime item (when describing the item through programming)....
Miscellaneous WEBDEV functions
List of various WEBDEV functions...
CookieRead (Function)
Retrieves the value of a cookie saved on the computer of Web user.
CookieWrite (Function)
Writes a cookie onto the computer of the Web user.
OLE DB driver for HFSQL Classic and HFSQL Client/Server - License agreement
DDEError (Function)
Returns the runtime status report of a DDE function.
DDEEvent (Function)
Associates a WLanguage procedure with a DDE event: when the DDE event occurs, the associated WLanguage procedure is automatically run.
DDESend (Function)
Sends a data to the program connected via DDE.