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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.
<DiskFile variable>.Lock (Function)
Entirely or partially locks an external file.
<Page>.Address (Function)
Used to find out the Internet address of a page.
<DiskFile variable>.Unlock (Function)
Entirely or partially unlocks an external file.
Option,Test (External language)
In an information window, displays each call to the function and each status report returned by the function.
fSeek (Function)
Gets and sets current position in an external file.
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ......
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......
WDScript overview
WDScript is a WLanguage script editor included with WINDEV, WEBDEV and WINDEV Mobile......
Comparing controls
In some cases, you may need to compare two controls in one or more windows or pages......
Zoom in the different editors
All editors of WINDEV, WEBDEV and WINDEV Mobile allow you to zoom in on the different elements displayed in the editor......
Managing Google calendars
The Google Calendar service is an Internet application provided by Google that is used to manage a calendar on Internet......
Data model editor: Describing a connection
Any program developed with WINDEV, WEBDEV or WINDEV Mobile can easily access......
nWDSetCallbackNext
Set the "callback" called when using the WDKEY and RETURNWDKEY keywords for the next window to open (in C, Pascal and Visual Basic only)......
<DiskFile variable>.ReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
fFileName (Function)
Returns the name of an external file currently open.
1. Project and analysis
HFSQL tables exceeding 2 gigabytes
By default, the HFSQL engine allows you to manage large tables (up to 2 gigabytes)......