ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

ERR_PARSER
ContextExist (Function)
Allows you to find out whether a page context exists on the server (which means whether the page was opened).
The OLE control
The OLE control is used to handle an OLE object......
The pages
Pages are the main interface of a WEBDEV site......
Unavailable functions and properties
Some functions and properties have been removed from WLanguage......
Compiling and testing the help system
It is necessary to compile the help to create a file based on the information entered in the help editor......
Link control properties
The Link control is available in a page and in a report......
Input masks and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
Display modes, transparency and symmetry of an image
An image can be displayed in a window, a window control, a report control, a page control or a block according to several display modes....
The Popup control
The Popup control is a control used to associate a popup with a page. This popup, displayed from the page into which it is inserted, is used to easily establish a dialog with the user....
Validating a page from a control that has no action on the server (List Box control, Combo Box, etc.)
By default, the validation of a page must be performed by a "Send the values of controls to the server (Submit)" button......
ERR_CANNOT_RUN_EXPLORER
ExecuteRefreshUI
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol.
Events associated with a Navigation Bar control
7. Multilingual sites in practice
iPageHeightLeft (Function)
Calculates the available height (in millimeters) left on the current page while taking into account the defined margins (top or bottom).
ChangeAction (Function)
Used to specify the action to perform when the HTML page displayed in the browser is no longer synchronized with the page context on server.
WHelp (Function)
Displays a file or a help page in HLP or CHM format.
<redisConnection>.PipelineAdd (Function)
Adds a Redis command in a pipeline.
9. Overlaying controls
RedisPipelineAdd (Function)
Adds a Redis command in a pipeline.
Custom properties (WLanguage)
A custom property is a code element with two events......
Handling a Dockable Panel control through programming
A Dockable Panel control can be handled through programming......
Deep links to mobile applications
Deep linking allows you to redirect the user to specific content in a mobile application (rather than in a browser) when they click on a link in a web page or in an email......
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found......