ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Error 123: The constant already exists
Establishes a connection between the client and a WebSocket server....
IWListDisplay (Function)
Refreshes an "Internal window" control with automatic iteration on a table or query.
CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
MinHeight (Property)
The MinHeight property gets and sets the minimum height of a control or window.
Image control in a window
This help page presents the characteristics of an Image control found in a window...
gpwGetRights (Function)
Used to get the rights granted to a control, a window, a page or a report.
TraceStart (Function)
Opens the trace window or saves the trace information in a text file.
SpreadsheetBorderSelection (Function)
Modifies the border of selected cells in a Spreadsheet control found in a window.
AppointmentCreate (Function)
Opens a new appointment window in the device's native calendar application....
CurrentTitle (Function)
Modifies the title of the current window (returned by CurrentWin) and the title bar.
InitWindow (Function)
Initializes (or not) the controls to zero and runs the initialization processes of the controls and the window.
<Spreadsheet>.Load (Function)
Loads a file in XLSX format in a Spreadsheet control found in a window.
SelectColor (Function)
Opens the standard window for color selection and selects the specified color.
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.
WinInitialized (Function)
Used to find out whether the "end of initialization" code was run for a window.
<ANSI string>.AnsiToUnicode (Function)
Converts a string in ANSI (Windows) format into a string in Unicode format.
MaxWidth (Property)
The MaxWidth property gets and sets the maximum width of a control or window.
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).
WinAnimationClosing (Function)
Modifies the type and duration of the animation used when closing the application windows.
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.