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Version: 2026

<Spreadsheet>.GetFormula (Function)
Retrieves the calculation formula of a cell found in a Spreadsheet control of a window.
TreeMap control properties
A TreeMap control can be handled in a window by the following WLanguage properties.
WLanguage procedure called by OpenDocumentAsynchronous
WLanguage procedure ("callback") called by OpenDocumentAsynchronous after the edit window is closed.
Certificate functions (prefix syntax)
The following functions are used to handle Windows certificates in prefix syntax:
ControlFindTextNext (Function)
Finds and selects the next instance of the search text in a window or control.
<Looper>.InsertIW (Function)
Inserts a row as an internal window into a Looper control populated programmatically.
Count (Function)
Returns the number of occurrences of a control in a window, in a page or in a group of controls.
WinBackgroundImage (Function)
Modifies the background image of a window and specifies the display mode of this image.
<Spreadsheet>.BorderSelection (Function)
Modifies the border of selected cells in a Spreadsheet control found in a window.
IWListDisplay (Function)
Refreshes an "Internal window" control with automatic iteration on a table or query.
<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....
RegistryFirstSubKey (Function)
Identifies the path of first subkey of specified key in the Windows registry.
<ANSI string>.AnsiToUnicode (Function)
Converts a string in ANSI (Windows) format into a string in Unicode format.
LooperInsertIW (Function)
Inserts a row as an internal window into a Looper control populated programmatically.
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).
<Window>.OpenPopupPosition (Function)
Opens a popup window by specifying its opening position and waits until it is closed.
<Input>.CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
InSysNotificationMode (Function)
Used to determine if the application is launched from an interactive notification in "Windows 10".
SpreadsheetGetFormula (Function)
Retrieves the calculation formula of a cell found in a Spreadsheet control of a window.
EnumElement (Function)
Enumerates project elements: windows, pages, reports, queries, etc.
WLanguage procedure called by OpenPopupAsynchronous
WLanguage procedure ("callback") called by OpenPopupAsynchronous after the popup window is closed.
Dashboard control properties
A Dashboard control can be handled in a window by the following WLanguage properties......
Tab Control properties
A Tab Control can be manipulated in WLanguage either in a window or in a page with the following properties......