ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
Evénements associés à un champ Chat IA
La propriété IAInfoModèle permet de connaître et modifier les informations concernant définir les paramètres de connexion au modèle d'IA qui est utilisé par le champ Chat IA.
<Panel>.Position (Function)
Retrieves the position of a Dockable Panel control.
<Spreadsheet>.UnmergeCell (Function)
Unmerges the specified or selected cell in a Spreadsheet control.
SpreadsheetUnmergeCell (Function)
Unmerges the specified or selected cell in a Spreadsheet control.
How to fill a TreeView control from a data file? (prefix syntax)
By default, the TreeView control cannot automatically display the data coming from a data file...
<TreeMap>.Seek (Function)
Finds the index of an element in a TreeMap control from the element path.
Control (keyword)
The Control keyword can correspond to:
  • a variable of type Control.
  • ownership Field property of a docElement type variable.
  • ownership Field property of a pdfPage type variable.
<Looper>.RefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
Display different content for each row
In a Looper control, a different content can be assigned to the Table, Chart, List Box and TreeView controls...
FocusOnClick (Property)
The FocusOnClick property is used to:
  • Determine if a control gains focus when clicked.
  • Allow or prevent a control from gaining focus when clicked.
<Table>.EnumColumn (Function)
Returns the name of a column found in a Table or Treeview Table control.
GridlinesVisible (Property)
The GridlinesVisible property is used to:
  • Determine whether or not gridlines are visible in a control.
  • Show or hide gridlines in a control.
<Looper>.BreakIndex (Function)
Returns the index of the break header and footer for a given break in a Looper control.
<TreeView>.Find (Function)
Finds an element (leaf or node) in a TreeView control and returns its path.
Page templates and inheritance
When a page template is applied to a page, all the controls and code found in the template are "copied" into the page...
<Camera>.Status (Function)
Returns the status of a Camera control.
AndroidiPhone/iPad Function kept for "Version-26-compatible" Camera controls.
<Looper>.Select (Function)
Returns the index of the selected element in a Looper control.
Format of the content in the text file
The text files created by WDMSG use a specific format...
ExplorerAccept (Function)
Enables or disables the ability to perform "Drag and Drop" from the Windows explorer to a WINDEV window or control.
Extension procedure
By using extension procedures, you can add your own WLanguage procedures to different types of variables (string, date, color etc.)...
<TreeView Table>.MoveBranch (Function)
Moves the content of a row as well as its entire descending tree structure in a TreeView Table control.
Example of video management (transmitted by a Camera control) (prefix syntax)
In this example, the application allows you to...
Example for managing videos (broadcasted by a Camera control)
In this example, the application allows you to...
<TreeMap>.Add (Function)
Adds an element into a TreeMap control.
<Table>.SelectCount (Function)
Returns the number of selected elements in a Table or TreeView Table control (especially multi-selection controls).
<Chart>.SaveParameter (Function)
Saves the parameters of a chart in the format of a compressed string.
<Chart>.LoadParameter (Function)
Restores the parameters used to draw a chart.
Responsive Web Design: Managing a header bar
This help page explains how to create a page containing a header bar in Responsive Web Design mode...
<Map>.InfoXY (Function)
Returns the geographical position (latitude and longitude) corresponding to a point in a Map control.
<Scheduler>.PositionDateTime (Function)
Displays a Scheduler control from a specified date or returns the date of the first day (or last day) displayed in a Scheduler control.
<Kanban>.Count (Function)
Returns the number of cards or lists in a Kanban control.
<Organizer>.InfoXY (Function)
Returns for a given position in the Organizer control (coordinates of a point in the organizer):
  • the index of the appointment for the specified position.
  • the date corresponding to the specified position.
<XAML>.Property (Function)
Allows you to find out and modify the value of a .Net property for an Xaml control or for a Carousel control.
<TreeMap>.Count (Function)
Returns the number of elements found in a TreeMap control.
<Looper>.ToWord (Function)
Creates a Word file (.RTF) using the data from a Looper control.
<Organization Chart>.SelectMinus (Function)
Deselects an element from an Organization Chart control.
Changing sites from AWP to SEO-ready session mode
A query created in the query editor can contain several types of items...
<HTML Display control>.OnErrorJS (Function)
Specifies the procedure to call if an error occurs while executing JavaScript code in an HTML Display control.
LooperModify (Function)
Changes the values of the attributes in a row of a Looper control.
LooperInsert (Function)
Inserts a row into a Looper control.
<Looper>.Display (Function)
Refreshes a browsing looper from a given position: the modifications performed in the linked file are taken into account in the looper.
Manipulating Grid controls programmatically
WINDEV and WINDEV Mobile allow you to programmatically manipulate Grid controls...
MySelf (Reserved word)
MySelf is used to handle the current control...
<Image Editor>.Save (Function)
Saves the image displayed in the Image Editor control.
Creating the skin template of a report
An Item Description variable is used to describe one or more items in a data file programmatically.
<TreeView>.GiveChild (Function)
Returns the "children" of an element found in a TreeView control.
<Table>.DeleteWithAnimation (Function)
Deletes a row from a Table control, from a TreeView Table control (or from a table displayed in a Combo Box control) with an animation.
<HTML Display control>.ExecuteControlProcess (Function)
Executes a WLanguage event associated with a control in an HTML page displayed by an HTML Display control.
<Scheduler>.DisplayNextPeriod (Function)
Moves the time area displayed on the next area (next weeks for example) in a Scheduler control.
<Control>.Rectangle (Function)
Returns the coordinates of the rectangle corresponding to the specified area of a control.
<Scheduler>.DisplayPreviousPeriod (Function)
Moves the time area displayed on the previous area (previous weeks for example) in a Scheduler control.
<Input>.CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
Manipulating formatted display controls programmatically
WEBDEV allows you to manipulate a formatted display control through programming...
<Chart>.Menu (Function)
Defines the type of context menu displayed by a chart.
<Table>.AddBeginning (Function)
Adds a row at the top of an Infinite Table control. The row is inserted before the first row of the Table control. The scroll position of the Table control doesn't change.
SysScreenOrientation (Function)
Allows you to:
  • know the orientation of the device screen (Android or iOS phone).
  • set the screen orientation of the device (Android phone).
<Calendar>.Position (Function)
Returns the month displayed in a Calendar control.
<Xaml>.Event (Function)
Associates a procedure written in WLanguage with an event of Xaml control.
<Map>.DisplayPosition (Function)
Centers the map displayed in a Map control on a geographical position or on a specific location.
<Table>.RecNum (Function)
Returns the number of the current record in a Table control based on a data file.
<Kanban>.Filter (Function)
Displays only cards that match the specified filter.
<Page>.DisplayPopup (Function)
Displays a WEBDEV page as a popup in the current page with a DDW (Dim Disabled Windows) effect.
<Organizer>.SelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
<Table>.Delete (Function)
Deletes a row from:
  • a Table control,
  • a TreeView Table control,
  • a table displayed in a Combo Box control.
<Scheduler>.DeleteAll (Function)
Deletes all appointments and resources from a Scheduler control.
<Image editor>.Create (Function)
Creates an image in the Image Editor control.
<Table>.End (Function)
Stops the manual iteration of data file linked to a Table control based on a data file.
<TreeView>.Collapse (Function)
Collapses a branch previously expanded.
<Image>.DrawBorder (Function)
Draws the borders in an Image control.
<Chart>.StartAngle (Function)
Sets the starting angle of the first section in the following types of chart:
  • Pie, Semi-circular or Donut.
  • Sunburst.
  • Radial bar chart.
<Image>AnimationGetParameter (Function)
Reads the value of one of the animation parameters defined for an Image field.
<Table>.Modify (Function)
Modifies a row in:
  • a Table control,
  • a TreeView Table control,
  • tables displayed in a Combo Box control.
EndVisibleRange (Property)
The EndVisibleRange property is used to:
  • find out and modify the last visible date or time in a Scheduler control or in a TimeLine control.
  • modify the last visible time in a TimeLine control.
<Table>.SelectPlus (Function)
Selects a row in a Table or TreeView Table control.
StartVisibleRange (Property)
The StartVisibleRange property is used to:
  • get and set the first visible date or time in a Scheduler or TimeLine control.
  • change the first visible time in a TimeLine control.
EndTotalRange (Property)
The EndTotalRange property is used to:
  • get the last date or time that can be displayed in a Scheduler or TimeLine control.
  • change the last time that can be displayed in a TimeLine control.
<Dashboard>.InfoXY (Function)
Determines:
  • whether a widget is found at a given position in a Dashboard control.
  • which widget is found at a given position in a Dashboard control.
StartTotalRange (Property)
The StartTotalRange property is used to:
  • get the first date or time that will be displayed in a Scheduler or TimeLine control.
  • change the first time that can be displayed in a TimeLine control.
<Scanner variable>.ToImage (Function)
Retrieves a document from a scanner in a variable of type Image.
<Spreadsheet>.ControlFormula (Function)
Allows you to use a control in order to create a custom formula bar for the Spreadsheet control.
<Chart>.Smoothing (Function)
Smoothes a Line chart or a Scatter chart by using the "cubic splines" algorithm.
<Camera>.Stop (Function)
Stops the video preview or video recording in a Camera control.
AndroidiPhone/iPad Function kept for "Version-26-compatible" Camera controls.
<TreeView>.Position (Function)
Displays a TreeView control from a specified element (node or leaf) or returns the name of the first element displayed in a TreeView control.
<Camera>.Configure (Function)
Allows you to configure the video capture driver.
<Chart>.Color (Function)
Returns and initializes the color of different chart elements.
<Looper>.Count (Function)
Returns the number of rows in a Looper control.
<TreeMap>.SelectGroup (Function)
Visually selects a group of elements in a TreeMap control.
<Chart>.AutoRefreshCategoryLabel (Function)
Identifies or defines whether the category labels are refreshed whenever the chart is drawn.
Manipulating Dashboard controls programmatically (prefix syntax)
To programmatically manipulate Dashboard controls, WINDEV, WEBDEV and WINDEV Mobile include dashboard-specific functions...
<List Box>.Delete (Function)
Deletes an element from a List Box, ListView or Combo Box control populated programmatically.
<Chart>.Legend (Function)
Indicates the presence and position of legend in a chart.
<Dashboard>.Display (Function)
Refreshes elements in a Dashboard control.
Events associated with Link controls
List of events associated with Link controls
<Table>.DeleteAll (Function)
Deletes all rows from:
  • a Table control populated programmatically,
  • a TreeView Table control populated programmatically,
  • tables displayed in a Combo Box control.
FontUnderlined (Property)
The FontUnderlined property is used to:
  • Determine if the text is underlined.
  • Underline (or not) a text.
<Chart>.AutoRefreshSeries (Function)
Identifies or defines whether a series is refreshed whenever the chart is drawn.
<Chart>.SeriesLabel (Function)
Initializes the label of a data series in a chart.
<Table>.Adjust (Function)
Adjusts the title and size of columns found in a Table or TreeView Table control.
ShapeExtremitySize (Property)
The ShapeExtremitySize property is used to identify and change the size of the shape at the beginning and end of a Wire control.
<Table>.Sort (Function)
Sorts a Table or TreeView Table control on one or more columns (lexicographical sort).
UseMode (Property)
The UseMode property is used to determine or change how the PDF Reader control reacts to mouse input. The mouse is used to select text in the document or to move within the document pages.
<TreeView>.ExpandAll (Function)
Expands a node and all its child elements in a TreeView control.
<Scheduler>.InfoXY (Function)
Returns the appointment, the resource or the date found at given position in a Scheduler control.
<pdfDocument variable>.ToText (Function)
Extracts text from a PDF file.
<Image>.AnimationSetParameter (Function)
Changes one of the animation parameters used for a moving image (in an Image field).
<Chart>.CategoryColor (Function)
Initializes the category color for a chart whose type is:
  • Pie,
  • Column,
  • Bubble chart,
  • Waterfall.
<TreeView>.Display (Function)
Refreshes a TreeView control from a given position.
<Chart>.SurfaceAddData (Function)
Adds a data into a Surface chart.
<Chart>.Draw (Function)
Draws a chart according to the specified parameters.
Container column in a Table control
A cell found in a Table control can contain a set of controls...
<Looper>.SelectMinus (Function)
Deselects a row in a Looper control.
Container column of a Table control (prefix syntax)
A cell found in a Table control can contain a set of controls...
<Table>.DisableFilter (Function)
Disables a user filter on a column or on all the columns found in a Table or TreeView Table control.
<Organization Chart>.AddChild (Function)
Adds a child element into an Organization Chart control.
<Scheduler>.AddResource (Function)
Adds a new resource into a Scheduler control.
<Chart>.Gradient (Function)
Enables or disables the display of color gradients in a chart.
ChangeTheme (Function)
Is used to change, through programming, the theme (dark or light) used by the mobile application.
<Chart>.Interval (Function)
Indicates the interval between values on the vertical and horizontal axis of a chart.
<Date type>.ToDayInAlpha (Function)
Returns the name of the day corresponding to a specified date.
TableAddLine (Function)
Adds a row in:
  • a Table control,
  • a TreeView Table control.
<TreeView>.Select (Function)
Returns the full path of the selected element in a TreeView control.
<Table>.SelectMinus (Function)
Deselects a row from a Table or TreeView Table control.
<Table>.AddLine (Function)
Adds a row in:
  • a Table control,
  • a TreeView Table control.
<Cell>.DisplayDialog (Function)
Displays a Cell control in a page with a DDW effect (Dim Disabled Windows). This function is used to easily simulate a dialog box in browser code, by using a Cell control in a page.
Controls that can be moved in a page
WEBDEV proposes two modes for moving controls in a page...
<Chart>.SeriesColor (Function)
Initializes the color of a series or the color of a section.
Manipulating TimeLine controls programmatically
A TimeLine control can be...
<Libellé>.AnimationSetMode (Function)
Changes the animation type of text in a Static Text control.
<HTML Display control>.ControlValue (Function)
Used to identify or modify a control in an HTML form contained in an HTML Display control.
Manipulating TimeLine controls programmatically (prefix syntax)
A TimeLine control can be...
<Map>.DeleteAll (Function)
Deletes the following from a Map control:
  • all markers,
  • use any shape you want,
  • all images.
Manipulating Scheduler controls programmatically (prefix syntax)
A Scheduler control can be...
<Dashboard>.Mode (Function)
Opens or closes the Dashboard control edit mode.
Combo Box columns in Table controls
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns...
<HTML Display control>.ExecuteJS (Function)
Runs JavaScript code in the context of the Web page displayed by an HTML Display control.
<TreeView Table>.SortChild (Function)
Sorts a branch in a TreeView Table control on one or more columns.
Combo Box columns in Table controls (prefix syntax)
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns...
<Chart>.StockAddData (Function)
Adds data into a stock chart (candlestick, barcharts or minmax).
<HTML Display control>.ValidateForm (Function)
Validates a form in an HTML page displayed in an HTML Display control.
Manipulating WinForm .Net controls programmatically
The Key property is used to manipulate keys:
<Edit>.ConfigureAssistedInput (Function)
Specifies how to open and filter the autocomplete suggestion list.
<HTML Display control>.FromEmail (Function)
Imports the HTML content of an email and its images into an HTML Display control. The images contained in the email are also displayed in the control.
<HTML Display control>.ExecuteBrowserProcedure (Function)
Executes a WLanguage browser procedure in an HTML Display control that displays a page created with WEBDEV.
AnchorRateWidth (Property)
The AnchorRateWidth property is used to:
  • Find out the anchor rate when a control (or a table column) stretches on the horizontal axis.
  • Modify the anchor rate when a control (or a table column) stretches on the horizontal axis.
LooperAdd (Function)
Adds a row at the end of a Looper control.
Programming ActiveX
WINDEV allows you to manipulate an ActiveX control in WLanguage via...
Handling HTML text in an Edit control
WEBDEV allows you to manipulate text in HTML via the "HTML format" option of the Edit controls and the HTML control.
Manipulating Wheel controls programmatically
PageSubmit (Function)
Validates the specified page and starts the execution of a button.
<Looper>.InsertLine (Function)
Inserts a row into a Looper control.
Validating a page from a control that has no action on the server (List Box control, Combo Box, etc.)
By default, the validation of a page must be performed by a "Send the values of controls to the server (Submit)" button...
<Chart>.AddData (Function)
Adds a data into a chart.
<Chart>.Parameter3DS (Function)
Retrieves or modifies a parameter for drawing a chart in 3D Spatial mode.
<Table>.Count (Function)
Returns:
  • the number of columns found in a Table or TreeView Table control.
  • the number of rows found in a Table or TreeView Table control.
<Tab>.Status (Function)
Returns the status of a dynamic tab pane (identified by its alias).
<Map>.FollowMovement (Function)
Displays the current location of the device in a Map control and updates the location as it moves.
<Table>.AddLineWithAnimation (Function)
Adds a row to a Table or TreeView Table control with an animation.
<Chart>.Origin (Function)
Modifies the start and end marks on one of the chart axes.
<Table>.InsertLineWithAnimation (Function)
Inserts a row into a Table control or into a TreeView Table control with an animation.
Elements of a class: Enumerate and manipulate programmatically
Several types of WLanguage variables are used to enumerate and dynamically handle the elements of a class...
<Table>.Save (Function)
Updates or adds the record bound to the current row in the Table or TreeView Table control.
Designing a supercontrol
A supercontrol is an advanced type of control...
Organizer control events
The following events are associated with Organizer controls:
<Table>.Add (Function)
Adds a row in:
  • a Table control,
  • a TreeView Table control,
  • a Combo Box control "with table" (Table control displayed in a Combo Box control).
TableSort (Function)
Sorts a Table or TreeView Table control on one or more columns (lexicographical sort).
<Table>.Insert (Function)
Inserts a row into:
  • a Table control,
  • a TreeView Table control,
  • tables displayed in a Combo Box control.
Report based on a TreeView Table control
You can use a report based on a TreeView Table control to directly print the information displayed in a TreeView Table control found...
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
<Table>.MoveColumn (Function)
Moves a column in a Table or TreeView Table control.
<Chart>.Orientation (Function)
Modifies the orientation of chart axes.
<Map>.AddImage (Function)
Adds a new image to the map displayed in a Map control.
<Source>.HistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
8. Smart controls
Defines the number of rows and columns in a Waffle chart.
10. Smart controls
Smart controls
<Organization Chart>.DeleteAll (Function)
Deletes all elements from an Organization Chart control.
<Panel>.Detach (Function)
Detaches a Dockable Panel control to transform it into a floating window.
<Code Editor>.Execute (Function)
Executes the WLanguage code displayed in the Code Editor control.
<HTML editor>.ToPDF (Function)
Exports the content of an HTML Editor control to a PDF file.
Manipulating Internal Page controls programmatically
The internal page control is used to display an existing internal page...
System popup menu
The system popup menus are managed by the system (Android, Windows, ...
PaneVisible (Property)
The PaneVisible property is used to:
  • determine if the pane of the Image Editor control is visible,
  • show or hide the pane of the Image Editor control.
PaneVisibleByDefault (Property)
The PaneVisibleByDefault property determines if the image editor pane is visible by default.
MapModifyImage (Function)
Modifies an image drawn on the map displayed in a Map control.
<TreeMap>.InfoXY (Function)
Returns the index of the element displayed at a given position in a TreeMap control.
2026 new features brochure: WINDEV new features
What's new in WINDEV 2026 in the What's new 2026 brochure.
<Window>.EdSelectMinus (Function)
Deselects a control when the interface is modified by the end user ("Allow end users to modify the UI" option enabled).
<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>.EdSelect (Function)
Returns one of the controls selected when the interface is modified by the end user ("Allow end users to modify the UI" option enabled).
<Chart>.Print (Function)
Prints a chart.
The Wire control
The Wire control is used to visually link 2 controls...
MapDeleteImage (Function)
Deletes an image drawn on the map displayed in a Map control.
Control (Variable type)
The Control type is used to define the characteristics of a control.
<Map>.AddShape (Function)
Adds a new shape (polygon, line, circle) to the map displayed in a Map control.
The Switch control
Switch controls (also called "Toggle controls") are now commonly used in interfaces...
2024 novelties brochure: WEBDEV novelties
Sets the position directly on the desired bookmark in the PDF document.
New products brochure 28: WINDEV new products
New features in WINDEV 28 presented in the New Features brochure.
Manipulating Scheduler controls programmatically
A Scheduler control can be...
2025 new features brochure: WEBDEV new features
What's new in WEBDEV 2025 is presented in the What's new 2025 brochure.
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