ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
mlListVariable (Function)
Lists the variables found in the MATLAB session.
TableFixColumn (Function)
Fixes a column to the left or frees a column fixed to the left.
<Table>.FixColumn (Function)
Fixes a column to the left or frees a column fixed to the left.
Pane (Property)
The Pane property is used to:
  • Find out the pane tabs associated with a control.
  • Define the pane tabs associated with a control.
WLanguage procedure called by OKCancelAsynchronous
Procedure ("Callback") called by OKCancelAsynchronous when the user clicks one of the buttons in the dialog box. This procedure can be a local, global, internal or lambda procedure.
ProgressBarEnable (Function)
Enables the refresh of a Progress Bar via AJAX.
WLanguage procedure called by ConfirmAsynchronous
Procedure ("Callback") called by ConfirmAsynchronous when the user clicks one of the buttons in the dialog box.
RightClick (Property)
The RightClick property gets and sets the name of the Button control that will be executed when an object is right-clicked.
WLanguage procedure called by DialogAsynchronous
Procedure ("Callback") called by DialogAsynchronous when the user clicks one of the buttons in the dialog box.
ChangeTarget (Function)
Changes the target of a button action.
UMCOpen (Function)
Opens the edit window of User Macro-Code for the current window.
ThreadResume (Function)
Resumes the execution of a thread that was interrupted by ThreadSuspend. Function not recommended.
gStoredValue (Function)
Adds an "invisible" value to an element in a List Box, Combo Box or Scheduler control.
HTMLEditorGetSelection (Function)
Asynchronously retrieves the current selection from an HTML Editor control.
ThreadSuspend (Function)
Temporarily suspends the execution of the specified thread. Function not recommended.
WINDEV: Example of programmed Drag and Drop
PageSubmit (Function)
Validates the specified page and starts the execution of a button.
SchedulerDisplayNextPeriod (Function)
Moves the time area displayed on the next area (next weeks for example) in a Scheduler control.
<HTML editor>.GetSelection (Function)
Asynchronously retrieves the current selection from an HTML Editor control.
Collapsed (Property)
The Collapsed property is used to:
  • get or define the state (collapsed or expanded) that will be used when rows are added to a TreeView Table control.
  • find out or modify the collapsed/expanded status for:
    • the breaks of a Table control,
    • the breaks of a Looper control,
    • the break headers and footers of Table and Looper controls,
    • a Drawer control,
    • a Ribbon control,
    • a Navigation Bar control.
    • a Pivot Table control in a report.
gLink (Function)
Adds an "invisible" value to an element of a List or Combo Box control.
Function kept for compatibility. It is recommended to use gStoredValue.
Window with parameters
A window can:
  • Receive parameters when it is opened.
  • Return values when it is closed.
<Scheduler>.DisplayNextPeriod (Function)
Moves the time area displayed on the next area (next weeks for example) in a Scheduler control.
<Scheduler>.DisplayPreviousPeriod (Function)
Moves the time area displayed on the previous area (previous weeks for example) in a Scheduler control.
XamlEvent (Function)
Associates a procedure written in WLanguage with an event of Xaml control.
ImageState (Property)
The ImageState property gets and sets the number of drawings in:
  • The image associated with a button.
  • The image of the cursor in a slider.
  • The image associated with the button of a sidebar pane.
  • The image associated with the button of a tab pane.
  • The image associated with the Rating control.
  • The image associated with a group in a Ribbon control.
  • The image associated with a menu option.
<Segmented Button>.DeleteAll (Function)
Deletes all the options from a Segmented Button control.
<Xaml>.Event (Function)
Associates a procedure written in WLanguage with an event of Xaml control.
HTMLAfter (Property)
The HTMLAfter property gets and sets the HTML code inserted after the control.
CursorEnd (Property)
The CursorEnd property gets and sets the end position of the mouse selection range in the following controls:
  • Edit control.
  • Editable Combo Box.
  • "Edit control" column and "Editable Combo Box" column in a Table control.
  • Word Processing control.
  • Code Editor control.
HTMLBefore (Property)
The HTMLBefore property gets and changes the HTML code added before the control.
<Segmented Button>.Add (Function)
Adds a new option (i.e. a new button) to a Segmented Button control.
AAFPossible (Function)
Indicates whether an AAF (Automatic Application Feature) can be run on a specific control.
<Segmented Button>.Delete (Function)
Deletes an option from a Segmented Button control.
<Segmented Button>.Insert (Function)
Inserts a new option into a Segmented Button control.
mlSetVariable (Function)
Writes the value of a variable for the MATLAB session.
Detailed use of WINDEV FTP/RPC
LooperInfoXY (Function)
Used to find out the row or control located at specific position in the Looper control (X, Y).
LooperSearchEverywhere (Function)
Searches for a value in all the attributes of a Looper control.
PostMessage (Function)
Sends a Windows message to a control or to a window.
<Window>.EnableDDW (Function)
Enables or disables the Dim Disabled Window (DDW) feature for a specific window:
Abandon (Function)
Closes the current window by running the "Click" event of the CANCEL Button control.
WinEdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
CalendarButton (Property)
The CalendarButton property is used to determine and specify whether a Date Edit control has a button to display a popup calendar.
WinEdActive (Function)
Allows:
  • determine if the "Allow end users to modify the UI" option is enabled in a window (or internal window).
  • enable or disable the "Allow end users to modify the UI" option in a window (or internal window).
<Chrono>.Reset (Function)
Stops and resets a running stopwatch.
<Chart>.Origin (Function)
Modifies the start and end marks on one of the chart axes.
WinInactiveEffect (Function)
Enables or disables the DDW (Dim Disabled Window) feature:
  • for a specific window.
  • for all the application windows.
SchedulerInfoXY (Function)
Returns the appointment, the resource or the date found at given position in a Scheduler control.
<Scheduler>.InfoXY (Function)
Returns the appointment, the resource or the date found at given position in a Scheduler control.
WinEnableDDW (Function)
Enables or disables the DDW (Dim Disabled Window) feature:
  • for a specific window.
  • for all the application windows.
DnDEvent (Function)
Indicates the procedure to run during an event of Drag/Drop.
RTFAddLink (Function)
Adds a link to a text section in an RTF Edit control.
HInfoReplica (Function)
Returns information about the specified replica.
MyParent (Reserved word)
MyParent is used to handle...
grOrigin (Function)
Modifies the start and end marks on one of the chart axes.
<Looper>.InfoXY (Function)
Used to find out the row or control located at specific position in the Looper control (X, Y).
AddLink (Function)
Adds a link to a text section in an edit control.
WinEditAllowed (Property)
The WinEditAllowed property is used to determine and configure the actions allowed on a control when the window switches to "Allow end users to modify the UI" mode.
AdditionCompleted (Example)
Usage example of the AdditionCompleted property
CookieWrite (Function)
Writes a cookie onto the computer of the Web user.
OpenContextMenu (Function)
Automatically opens a context menu for the current control, window or page.
WinEdUndo (Function)
Undoes the last action performed by the end user when modifying the interface ("Allow end users to modify the UI" option enabled).
VisibleInExportAndPrint (Property)
The VisibleInExportAndPrint property is used to:
  • Find out whether a column of a Table or TreeView Table control is visible for export and printing.
  • Modify the visibility of a column in a Table or TreeView Table control for export and printing.
Nation (Function)
Defines or identifies the display language (captions, messages, ...) used for the windows, pages, reports and controls.
CookieRead (Example)
Usage example of the CookieRead function
SourceFromWindow (Function)
Automatically initializes:
  • the values of a data file's items in memory with the values from the controls in the window.
  • the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.
CookieWrite (Example)
Usage example of the CookieWrite function
Spreadsheet control in a window
The spreadsheet is one of the most often used business tools. The Spreadsheet control is used to include a spreadsheet in your WINDEV windows.
EmulateInput (Function)
Performs an input by emulation in a control while checking whether this control is an editable control.
EmulateMouse (Function)
Simulates a mouse event (left click, right click, double click, ...).
ChronoReset (Function)
Stops and resets a running stopwatch.
GPSGetPosition (Function)
Retrieves information about the current device position.
<Source>.FromWindow (Function)
Automatically initializes:
  • the values of a data file's items in memory with the values from the controls in the window.
  • the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.
PageToFile (Function)
Automatically updates:
  • the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls.
  • the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls.
This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
JSProperty (Function)
Used to handle specific features on the objects found in the current page.
DocToHTML (Function)
Converts a Word Processing document into an HTML file.
dbgInfo (Function)
Returns a debug information.
<Word Processing>.ToHTML (Function)
Converts the content of a Word Processing control into an HTML file.
DelayBeforeClosing (Function)
Limits the display duration of a window or dialog box.  If no user action is performed, when the specified amount of time is reached:
  • for a window, the code of a window button will be run. 
  • for a dialog box, the dialog box is automatically closed.
SendMessage (Function)
Sends a Windows message to a control or to a window.
VisibleOutsideWindow (Property)
The VisibleOutsideWindow property is used to:
  • determine if a button is visible even if its position (X,Y) is outside the border of the window (entirely or partially).
  • modify the visibility of an "off-window" button.
SelectColor (Function)
Opens the standard window for color selection and selects the specified color.
BackgroundImageState (Property)
The BackgroundImageState property allows you to get and change the number of drawings in the image associated with the background of a button.
AAFExecute (Function)
Runs an Automatic Application Feature (AAF) on a control or window. This function can be used to start the spelling checker on an edit control for example.
SpreadsheetControlFormula (Function)
Allows you to use a control in order to create a custom formula bar for the Spreadsheet control.
AAFEnable (Function)
Re-enables an Automatic Application Feature (AAF) previously disabled by AAFDisable.
<Spreadsheet>.ControlFormula (Function)
Allows you to use a control in order to create a custom formula bar for the Spreadsheet control.
ContextMenu (Property)
The ContextMenu property is used to:
  • Get the custom context menu of a control, window or page.
  • Change the custom context menu of a control, window or page (or associate another context menu).
  • Customize the system menus of controls by adding options.
Value (Property)
The Value property is used to:
  • Find out and modify the value of a report control.
  • Find out and modify the value of a control or the title of a window.
  • Find out the identifier of a stream.
  • Find out and modify the value of a control or the title of a page.
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.
HSynchronizeReplica (Function)
Synchronizes the master replica and the subscriber replica: the operations performed on one of the replica are transferred into the other replica.
Designing a supercontrol
A supercontrol is an advanced type of control...
Menus and menu options: Tips & Tricks
This page presents some operations specific to the menus and to the menu options...
ExecuteAAF (Function)
Runs an Automatic Application Feature (AAF) on a control or window.
iParameterViewer (Function)
Configures the report viewer.
Creating the Relation windows of a WINDEV RAD pattern
ReturnedValue (Property)
The ReturnedValue property is used to:
  • Get and change the value returned by a window, page or report.
  • Get and change the value returned by an option in a Radio Button control.
WLanguage procedure called by SelectColor
Browser WLanguage procedure ("callback") executed by SelectColor when the color selection popup is closed.
RulerModifiable (Property)
The RulerModifiable property is used to:
  • Find out whether the user can move the playhead in a TimeLine control.
  • Allow or prevent the user from moving the playhead in a TimeLine control.
iParameterPreview (Function)
Configures the print preview:
  • display a message regarding the resources of current computer.
  • display or hide the ribbon tabs and buttons.
  • the export options available in the mini preview window.
ControlPane (Function)
Returns the name of static or dynamic pane found in a Tab control associated with a control.
Single Page App
A "Single Page App" is a Web application (Internet or Intranet) whose all pages are grouped in a single page...
Handling a dynamic programmatically
WINDEV allows you to manipulate Dynamic Tab controls with the TabXXX functions and with multiple WLanguage properties...
WLanguage procedure called by AddLink
Procedure ("Callback") called by AddLink.
gpwOpen (Function)
Opens the User Groupware login window or page.
Handling a dynamic tab through programming (prefix syntax)
WINDEV allows you to manipulate Dynamic Tab controls with the TabXXX functions and with multiple WLanguage properties...
SpreadsheetSelectWorksheet (Function)
Selects a worksheet (identified by its name) in a Spreadsheet control.
MyPage (Reserved word)
MyPage is used to handle the current page...
SearchAAF (Property)
The SearchAAF property is used to:
  • find out whether the search via AAF is enabled on a non-editable Combo Box control,
  • enable (or not) the search via AAF on a non-editable Combo Box control.
<Window>.EdActive (Function)
Allows you to:
  • determine if the "Allow end users to modify the UI" option is enabled in a window (or internal window).
  • enable or disable the "Allow end users to modify the UI" option in a window (or internal window).
<Window>.EdUndo (Function)
Undoes the last action performed by the end user when modifying the interface ("Allow end users to modify the UI" option enabled).
<Window>.EdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
Manipulating Gantt Chart controls programmatically
edtHTMLSelection (Variable type)
The edtHTMLSelection type is used to identify all the advanced characteristics of a selection in an HTML Editor control
WinEditMode (Property)
The WinEditMode property is used to determine and configure the actions allowed on a window and its controls when the window switches to "Allow end users to modify the UI" mode.
Page with parameters
Process (Property)
The Process property is used to modify the processes to be executed by the events available on a control, window, page, report, etc.
AAFDisable (Function)
Disables an Automatic Application Feature (AAF) on a control, window or on the current application.
DisableAAF (Function)
Disables an Automatic Application Feature (AAF) on a control, window or on the current application.
2025 novelties brochure: Common novelties
What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure.
2025 novelties brochure: Common novelties
What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure.
1
…
5