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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...
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.
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.
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.
<Spreadsheet>.Load (Function)
Loads a file in XLSX format in a Spreadsheet control found in a window.
Error 123: The constant already exists
Establishes a connection between the client and a WebSocket server....
RTFLoad (Function)
Loads a file in RTF in an RTF control (found in a window or in a report).
<Spreadsheet>.GetFormula (Function)
Retrieves the calculation formula of a cell found in a Spreadsheet control of a window.
InitWindow (Function)
Initializes (or not) the controls to zero and runs the initialization processes of the controls and the window.
WinInitialized (Function)
Used to find out whether the "end of initialization" code was run for a window.
MaxWidth (Property)
The MaxWidth property gets and sets the maximum width of a control or window.
Ad control properties
An Ad control can be manipulated in WLanguage in a window with the following properties.
<Window>.InHeight (Function)
Returns the interior height of a window (without title bar and border).
tapiGetNumber (Function)
Opens a window that allows sharing the user's phone number(s)....
ControlExist (Function)
Checks the existence of a control (or group of controls) in a window, in a page or in a report.
<Window>.OpenPopupPosition (Function)
Opens a popup window by specifying its opening position and waits until it is closed.
Properties associated with a supercontrol
List of properties associated with a supercontrol...
<Input>.CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
SpreadsheetLoad (Function)
Loads a file in XLSX format in a Spreadsheet control found in a window.
Message (Function)
Displays or removes a message from the status bar of the current window or browser.
OpenPopupPosition (Function)
Opens a popup window by specifying its opening position and waits until it is closed.
MinWidth (Property)
The MinWidth property gets and sets the minimum width of a control or window.
SpreadsheetGetFormula (Function)
Retrieves the calculation formula of a cell found in a Spreadsheet control of a window.
ControlFindHighlight (Function)
Highlights, in a window or control, all the captions and texts corresponding to a given text.
Natif Informix Connector for WINDEV and WEBDEV
WINDEV and WEBDEV propose an optional Native Connector to Informix (also called Native Access......
InitialValue (Property)
The InitialValue property is used to get the initial value of a control in a window or page.
The Image control
The Image control is used to......