ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Error 1037: This member already exists in the structure
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....
Handling an OLE control by programming
WINDEV enables you to handle an OLE control by programming......
WLanguage functions available in PHP
Some WLanguage functions are not available in PHP......
NavigationPaneVisible (Property)
The NavigationPaneVisible property is used to display the thumbnail pane in the PDF Reader control.
User Groupware
A Windows application, an Internet or Intranet site require to define the role of different contributors......
Undocked (Property)
The Undocked property is used to determine if a pane of a Tab or Ribbon control is undocked.
User Groupware files
Two categories of data files are managed......
Customizing the WINDEV User Groupware
The User Groupware in automatic mode offers many possibilities......
Structure of data files of user groupware
<Page>.OpenChild (Function)
Opens a non-modal child window.
Linux application: Tips and tricks
In Windows/Linux multi-configuration applications, several limitations may appear: control not supported, functions not available, ......
tapiDialerDisplay (Function)
Opens the default telephony application (dialer) and displays the specified number. No call is made.
MemFirst (Function)
Positions on the first element of a memory zone and returns the value of this first element.
Set of procedures
The global procedures are grouped in set of procedures......
Multilingual feature in the controls (window, page, report)
In a multilingual application or site, the multilingual feature is proposed for the following elements......
Useful parameters of a procedure
A procedure can declare some parameters that are not immediately used. In this case, a warning appears in the code editor, indicating that the local variable is not used....
ERR_BAD_ACTION
The requested action cannot been performed: the page was not synchronized
Programming charts
WINDEV, WEBDEV and WINDEV Mobile include a Chart control (that can be used in the window editor, page editor and report editor) as well as several functions used to create and handle charts......
WDScript overview
WDScript is a WLanguage script editor included with WINDEV, WEBDEV and WINDEV Mobile......
WEBDEV Page control events
The control Page WEBDEV allows you to integrate an Page WEBDEV in a WINDEV application......
Handling a report (in the editor)
Once a report was created, the description of this report can be modified at any time......
DDE errors
When a DDE function fails (returns False for example), ErrorInfo allows you to find out the number of the corresponding error]......
23. Print modes