ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

CameraStartDecoding (Function)
Starts decoding bar codes in a Camera control.
BCToImage (Function)
Generates the image of a bar code.
CameraStopDecoding (Function)
Stops decoding bar codes in a Camera control.
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
<Camera>.StopDecoding (Function)
Stops decoding a bar code in a Camera control.
VideoStartDecoding (Function)
Starts decoding bar codes in a Camera control.
Managing mutexes in threads
A mutex is used to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given time....
Code history
The code history is used to......
VerticalAlignment (Property)
The VerticalAlignment property gets and changes the vertical alignment of a control.
7. Source Code Manager (SCM)
6. Source Code Manager (SCM)
To simplify teamwork, WINDEV Mobile includes a Source Code Manager....
Error 13: The label already exists
Properties associated with clickable Image controls
The Clickable Image control can be handled by the WLanguage properties in server code and in browser code......
Web Component control properties
The Web Component control can be handled by the WLanguage properties in server code and in browser code......
Error 1045: A class cannot be declared outside the declaration code of a class
Splitting Business logic / UI code
During the development cycle of an application, the code that is specific to the interface (UI) and the code that is specific to the business logic (access to databases, etc.) are often "mixed"...
Error 3: The string has no final "
Mechanism of specific exceptions
A process of specific exception is used to process a risky code (which means a code that could trigger an exception)......
Error 11: The label is unknown
Geolocation functions/GPS
The following functions are used to handle geolocation data and to control GPS devices......
BLOCK
The <BLOCK> keyword is used in the code editor to declare custom blocks of code. These blocks of code are used to highlight the different steps of an algorithm and to group the declarations of variables or members.
Handling a status bar in the window editor
This help page presents the different operations that can be performed in a status bar......
SQLCode (Property)
The SQLCode code property is used to get the SQL code of a query created with the query editor (".WDR" file).
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
iPhone window: window creation wizard
The wizard for window creation allows you to easily create a window containing all main elements of a window for an iPhone application......
WinInYPos (Function)
Returns the vertical position of the top left corner of the internal area (without border and title bar) of a window in relation to the top left corner of the screen.
WinInXPos (Function)
Returns the horizontal position of the top left corner of the internal area (without border and title bar) of a window in relation to the top left corner of the screen.
Warning 18: Loop without potential end
Warning 36: No BREAK, RETURN or RESULT was detected in the code of the loop
Including the code
You want to include your code lines in a condition, in a structure, ......
Showing or hiding empty events or processes of an element
All WLanguage code is written in the code editor, which offers several events on a given control ......