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Version: 2026

WLanguage properties of Internal Window controls
List of WLanguage properties of Internal Window controls
<Internal window>.ChangeSourceWindow (Function)
Dynamically changes the window displayed in an Internal Window control.
Case of internal window dequeues Modifies the currently displayed window. This modification is saved in the list of internal windows to scroll.
The Internal Window control
The "Internal Window" control is used to include a window (and its code) in a control of another window...
Internal window functions
The following functions are used to manage "Internal windows" controls...
Changing the window content with a swipe gesture
The mobile devices propose several features available via finger movements...
Custom properties (WLanguage)
A custom property is a code element with two events...
Events associated with internal windows
List of events associated with internal windows
Reset (Function)
Reinitializes:
  • all the controls found in the current window or page (including the groups of controls, the supercontrols and the internal windows).
  • the controls found in a group of controls, a supercontrol, an internal window or an internal page.
WinUsefulSize (Function)
Specifies the useful size of an internal window with automatic scrollbars. The useful size corresponds to the full size of the internal window:
  • Width of the internal window.
  • Height of the internal window.
ChangeSourceWindow (Function)
Dynamically changes the window displayed in an Internal Window control.
Case of internal window dequeues Modifies the currently displayed window. This modification is saved in the list of internal windows to scroll.
ToastDisplayIW (Function)
Opens a toast whose content is based on an internal window.
MyInternalWindow (Reserved word)
MyInternalWindow is used to handle the current internal window.
2. Variables
WINDEV Tutorial: WLanguage basics Lesson 2 - Variables - 20 min
14. Distribute Reports and Queries with your applications
WINDEV Tutorial - Reports and Queries Distribute Reports and Queries with your applications - 10 min
Filtering a table, a view or a query
A filter is used to define through programming a selection of records corresponding to one or more criteria......
WDInst: choosing the type of setup to generate
WDInst allows you to create several types of setup......
Handling a Chart control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Chart control through programming......
ScrollBarShow (Function)
Displays (or not) a scrollbar in a WINDEV control (edit control or list box) even if no scrollbar was specified during the control description.
AI in the code editor
WINDEV, WEBDEV and WINDEV Mobile include a series of AI-based features......
Information 2105: This function was renamed
Information 2103: 'Double' does not exist anymore: the reals are coded on 8 bytes
Types associated with the Word processing
WINDEV and WEBDEV propose several types of variables allowing you to handle Word Processing documents......
AppControl (Function)
Enables (or disables) the remote control for the current multi-user WINDEV application. This is an advanced function.
The ListView control
The ListView control is used to display a list of graphic elements (images, logos, etc....
Automated tests
WINDEV Tutorial - Monitoring the evolution of an application Automated tests - 20 min
Native Container control events
The following events appear by default in the WINDEV and WINDEV Mobile code editor...
dTextHeight (Function)
Calculates text height in pixels. This new function is available from WINDEV Suite SaaS 2025 Update 2....
dTextWidth (Function)
Calculates text width in pixels. This new function is available from WINDEV Suite SaaS 2025 Update 2....
Mobile Image Editor control events
Formats WLanguage code: coloring, normalized rewriting, indentation, translation, etc....