ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
HCreationIfNotFound (Function)
Performs the following operations:
  • If the table doesn't exist, create an empty table (file with ".FIC" extension) with the index file, the full-text index file and the memo file if necessary. The function is equivalent to HCreation.
  • If the table exists, opens the table.
<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.
HAccelerateSpeed (Function)
Reorganizes the internal structure of the indexes to optimize the speed for accessing the data.
<Table>.ModifyLine (Function)
Modifies a row in:
  • a Table control,
  • a TreeView Table control.
SocketChangeTransmissionMode (Function)
Changes the transmission mode used on a socket.
dRectangle (Function)
Draws a rectangle:
  • in an Image control,
  • in an Image variable,
  • in a WDPic variable (on the background layer),
  • in a picLayer variable.
<Map>.ExecuteJS (Function)
Runs the native code of Google Maps API in a Map control in JavaScript.
<Looper>.SearchEverywhere (Function)
Searches for a value in all the attributes of a Looper control.
Unalterable tables
This feature is used to signal that a table cannot be modified after writing...
gpwConnectUser (Function)
Logs a user in to the User Groupware.
MatDelete (Function)
Deletes an existing matrix.
GglGetLicense (Function)
Returns the text of license for using the Google libraries.
RadioButtonInsert (Function)
Inserts a new option into a Radio Button control.
MatReadColumn (Function)
Reads the value of all the elements found in a matrix column.
FTPCommand (Function)
Sends a specific FTP command to a server.
OCRExtractTextBlock (Function)
Returns all the text blocks of an image.
SpeechRecognitionTrigger (Function)
Triggers the device's speech recognition service.
<Source>.DeactivateAutoFilter (Function)
Disables an automatic filter on the linked files when browsing an XML file.
OrganizerChangeMode (Function)
Modifies the time range displayed by an Organizer control (Day/Week/Month).
<Menu>.AddMenu (Function)
Adds a new menu to an existing drop-down or context menu of a window or page.
ServiceInfo (Function)
Returns information regarding the configuration of a service.
LooperSearchEverywhere (Function)
Searches for a value in all the attributes of a Looper control.
zipOpen (Function)
Opens an existing archive.
LooperToXML (Function)
Creates an XML file with data from a Looper control (Looper control based on a table or populated programmatically).
MobileNetworkStatus (Function)
Returns the current status of the connection to data on the mobile network or asks to be notified when the status of the connection to data changes.
<TreeView>.CollapseAll (Function)
Collapses a branch previously expanded (as well as its child elements).
SecurityHtml (Property)
The SecurityHtml property gets and sets the status of the security mechanism of HTML Display and HTML Editor controls.
<Source>.Forward (Function)
Moves several records forward from the current position in the table, according to a specified item.
INIWrite (Function)
Writes a specific value into an INI file (or into a file structured like an.INI file).
<Table>.SelectMinus (Function)
Deselects a row from a Table or TreeView Table control.
<Source>.ReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
<Source>.ExportXLS (Function)
Exports records from a table (HFSQL or OLE DB), view or query to an Excel file (XLSX).
The Tab control
The Tab control is used to simultaneously display different controls...
ServiceStop (Function)
Stops a service.
ArrayDelete (Function)
Deletes an element at a given position:
  • from a one-dimensional WLanguage array.
  • from an advanced array property (array of gglCalendar events, etc.).
  • from an associative array.
  • from a WLanguage list.
<picLayer variable>.DrawRectangle (Function)
Draws a rectangle in a picLayer variable.
NULL values: Allowing nullable types
Starting with version 2024, you can allow nullable types in a WINDEV, WEBDEV or WINDEV Mobile project...
<Chrono>.Start (Function)
Starts a stopwatch to measure the duration of a process (in milliseconds) and resets a running stopwatch.
ScreenFirst (Function)
Defines the next control that will be in edit in the current window.
TelemetryIdentifyUser (Function)
Identifies the current user for whom the telemetry data is saved.
iPageWidth (Function)
Calculates the width (in millimeters) of the printable page while taking the left or right margins into account.
TableSelectPlus (Function)
Selects a row in a Table or TreeView Table control.
zipNbFile (Function)
Returns the number of files found in an archive (in CAB, RAR, ZIP, WDZ or 7z format).
The Organizer control
The Organizer control is used to display and handle organizers...
DeclareWebserviceContext (Function)
Used to declare a list of variables whose value will be persistent between the successive calls to a web service.
ThreadStop (Function)
Stops a secondary thread. Function not recommended.
GPSInitParameter (Function)
Initializes the parameters of geolocation WLanguage functions and finds a location provider.
<Dashboard>.Display (Function)
Refreshes elements in a Dashboard control.
<DiskFile variable>.Create (Function)
Creates an external file.
zipDeleteFileList (Function)
Deletes a list of files from an archive.
<Page>.FromFile (Function)
Automatically updates the controls of a page with:
  • the values of the bound items in the current record (loaded in memory) of the table described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
  • the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
<DiskFile variable>.Lock (Function)
Entirely or partially locks an external file.
LEDSwitchOn (Function)
Switches the LED (Light-Emitting Diode) of the device on.
<btleDevice variable>.Connect (Function)
Used to connect to a Bluetooth Low Energy device.
HSortView (Function)
Sorts an HFSQL view by creating an index on a view item. This function uses the former view mechanism.
gpwLogin (Function)
Connects a user to an application that uses the User Groupware.
SQLListSource (Function)
Lists the data sources declared on a local site.
Width (Property)
The Width property gets and changes the width:
  • of a control or block in a report.
  • of a control (found in a window), window, column found in a table or column found in a list box (including listview).
  • of a control (found in a page), column found in a table or column found in a list box. The control can be overlayable or not.
<List Box>.Insert (Function)
Inserts an element into a List Box, ListView or Combo Box control populated programmatically.
<Connection variable>.TransactionStart (Function)
Starts a transaction on the tables (HFSQL or accessed via Native Access) and creates the transaction table.
<sfConnection variable>.Disconnect (Function)
Disconnects:
  • the Salesforce platform.
  • the current Salesforce session.
<Image>.SaveGIF (Function)
Saves an image:
  • in a file in GIF format.
  • in memory.
AJAXExecuteAsynchronous (Function)
Executes a server procedure without refreshing the page.
GetDefinition (Function)
Retrieves the element type definition.
<PDF Reader>.Open (Function)
Opens a PDF file displayed in a PDF Reader control.
Specific features of iPhone/iPad applications
To simplify the reading in the controls used to view large volumes of data, the end user has the ability to zoom the data found in the control...
TokenListSeparator (Property)
The TokenListSeparator property retrieves or modifies the separators that trigger the creation of new tokens when entering information in a "Text token" Edit control.
ListAdd (Function)
Adds an element to a List Box, ListView or Combo Box control populated programmatically.
dChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line):
  • in an Image control,
  • in an Image variable,
  • in a WDPic variable (on the background layer),
  • in a picLayer variable.
OrganizerListAppointment (Function)
Returns:
  • the list of appointments found between two dates in an Organizer control,
  • all appointments found in an Organizer control,
  • a specific appointment (selected or hovered).
FileView (Function)
Opens a file in the browser.
LooperSearch (Function)
Searches for a value in an attribute of a Looper control.
NumberPage (Property)
The NumberPage property is used to get:
  • the number of pages in a "multi-page" image file. This image is displayed in an Image control or in the background of a Chart control.
  • the number of pages in a PDF file displayed in an Image control.
  • the number of pages found in a PDF file displayed in a PDF Reader control.
  • the number of pages found in a DOCX file displayed in a Word Processing control.
SchedulerTaskProperties (Function)
Reads the properties of a scheduled task and updates the ScheduledTask structure.
Count (Function)
Returns the number of occurrences of a control in a window, in a page or in a group of controls.
Project description: Theme tab
The project description window allows you to configure various elements of your project...
<Source>.Previous (Function)
Sets the position on the previous record of the table according to a browse item.
<Image>.DrawBorder (Function)
Draws the borders in an Image control.
Types of charts available
WINDEV, WEBDEV and WINDEV Mobile propose different types of charts...
FileToPage (Function)
Automatically updates the controls of a page with:
  • the values of the bound items in the current record (loaded in memory) of the table described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
  • the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
Native XML Connector
WINDEV and WEBDEV allow you to import and handle a definition of XML files via the data model editor...
Maximized windows for Android
A maximized window occupies the entire screen of the mobile device.
ToastDisplayIW (Function)
Opens a toast whose content is based on an internal window.
fDecrypt (Function)
Decrypts a file that was encrypted by fCrypt.
Sidebar control features
The main characteristics of a Sidebar control can be configured...
<Connection variable>.ListWatchedFiles (Function)
Returns the list of tables watched by HWatch.
KanbanListIndex (Function)
Returns the index of a list in a Kanban control.
EmulateSimulator (Function)
Emulates the window of the mobile (Android/iOS) simulator.
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.
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
HClusterMasterNode (Function)
Returns the name of the master node in an HFSQL cluster.
<Looper>.RefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
<Source>.EndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
Managing WebSockets
WebSockets enable bidirectional communication between web applications (Intranet or Internet sites run in a browser) and web servers...
xmlSignatureVerification (Variable type)
The xmlSignatureVerification type is used to define the information required to verify an XML signature.
<Chart>.SurfaceGridlines (Function)
Displays the gridlines for the different planes of a Surface chart.
Link properties
When creating a link, you can simply specify the destination...
Snap to grid
The different editors of WINDEV, WEBDEV and WINDEV Mobile allow you to align the elements via a snap-on grid...
<sfConnection variable>.SeekDeleted (Function)
Seeks and retrieves the records (Salesforce objects) deleted during the specified period.
ContactEdit (Function)
Opens the details of a contact in edit mode in the default application of the device (Android, iPhone, iPad).
HClusterNodeInfo (Function)
Returns the status of each cluster node by interrogating the coordinator.
Phone (Variable type)
The Phone type is used to handle a phone number as well as its type (home, work, ...).
<WDPic variable>.DrawTextMarkdown (Function)
Draws Markdown text in a variable of type WDPic.
<Source>.ChangeDir (Function)
Changes the path to a table (i.e. directory in which the file will be handled).
MapItineraryDistance (Function)
Calculates the distance of an itinerary in a Map control.
WINDEV 2026 Update
Here are the new features and improvements that you will discover in this version...
Using Unicode in HFSQL tables
The database schema proposes two types of Unicode items ...
ScanToImage (Function)
Retrieves a document from a scanner in a variable of type Image.
Handling the external files
WINDEV, WINDEV Mobile and WEBDEV propose several functions allowing you to manage the external files from your WINDEV/WINDEV Mobile applications or from your WEBDEV websites...
AnimationGetParameter (Function)
Reads the value of one of the animation parameters defined for an Image or Static Text control.
TableEnumBreak (Function)
Enumerates the breaks found in a Table control.
ActiveXEvent (Function)
Associates a procedure written in WLanguage with an event of ActiveX control.
Global procedure/function
A global procedure can be used in all the processes or events of the project.
<Chart>.SaveBMP (Function)
Saves a chart that was previously drawn in a file in BMP format.
OKCancel (Function)
Displays a message in a standard dialog box that proposes "OK" and "Cancel" and returns the user's choice.
HTTPCookieGet (Function)
Retrieves the cookies read by a call:
PicSave (Function)
Saves the image found:
  • in an Image Editor control.
  • in a WDPic variable.
Properties associated with reports and controls
List of properties associated with the reports and their controls
<picLayer variable>.DrawRectangleGradient (Function)
Draws a rectangle in a picLayer variable.
WinBackgroundImage (Function)
Modifies the background image of a window and specifies the display mode of this image.
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings that match the format.
Trace (Function)
Displays the requested information (content of a control, for example) in a window opened next to the current window.
RTFAdd (Function)
Adds a character string (in RTF or not) at the end of RTF edit control, RTF control in a report or character string containing a text in RTF.
MapDeleteAll (Function)
Deletes the following from a Map control:
  • all markers,
  • use any shape you want,
  • all images.
Manipulating Word Processing controls programmatically
Word Processing controls can be manipulated programmatically...
gpwBiometricAuthentication (Function)
Enables biometric authentication for the connected user or retrieves the current status for the connected user.
Yousign
It is now common for individuals or businesses to sign contracts electronically...
<Connection variable>.DescribeServerTrigger (Function)
Adds or modifies a server trigger.
docElementCheckBox (Variable type)
The docElementCheckBox type allows you to define all the advanced characteristics of a check box used in a form.
<emailSMTPSession variable>.StartSession (Function)
Starts an SMTP session.
MyGuidedTour
The MyGuidedTour variable is used to handle the current Guided Tour. The MyGuidedTour variable is used to get the characteristics of the GuidedTour variable used.
SaaSAdminPricingEnableService (Function)
Enables a service in a SaaS pricing.
VideoCapture (Function)
Captures the images received from the camera:
  • as an image: take a photo.
  • as a video: record a video.
AndroidiPhone/iPad Function kept for "Version-26-compatible" Camera controls.
<ANSI string>.Right (Function)
Extracts the last characters from a string or string buffer.
Configuring the browser "Back" button
The "Back" button allows users to see the history of pages they previously visited...
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage...
<Chart>.PiePullOut (Function)
Pulls out a section (or all sections) in a chart.
<Spreadsheet>.InsertRow (Function)
Inserts an empty row into a Spreadsheet control found in a window.
Managing geolocation and GPS
WINDEV Mobile and WEBDEV allow you to exploit geolocation and GPS features found on mobile devices and browsers.
WiFiSelectNetworkCard (Function)
Selects the Wi-Fi network card that will be used for the next calls to the WiFi functions.
<zipArchive variable>.ListFile (Function)
Returns the list of files found in an archive.
LoWord (Function)
Returns the two low bytes of an integer.
Deploying an application that uses an external component
An application that uses one or more external components is deployed in the same way as a standard application...
TableRecNum (Function)
Returns the number of the current record in a data-bound Table control based on a table.
HInitSubscriber (Function)
Initializes the range of automatic identifiers for the description file of subscriber replica (".rpl" extension).
<Tab>.Open (Function)
Opens a new pane in a Dynamic Tab control.
mqttSession (Variable type)
The mqttSession type is used to define the parameters for connecting to the MQTT broker.
LooperRefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
iCalendarToOrganizer (Function)
Imports data in iCalendar format into an Organizer control.
WebserviceReadMIMEType (Function)
Returns the MIME type of the request received when calling a REST web service.
Address (Variable type)
The Address type is used to manipulate the address of a place or person.
IntegerToDayInAlpha (Function)
Returns the name of the day corresponding to a specified date (this date is an integer).
LDAPListAttribute (Function)
Lists the object attributes in an LDAP server.
Constants used for managing the multi-touch
Constants for managing the multi-touch
Manager of automated tests
The test manager is used to...
<Buffer>.AnsiToUnicode (Function)
Converts a buffer containing an ANSI string (Windows) to a buffer containing a UNICODE string.
Replication of HFSQL servers (Programming)
To implement a replication of HFSQL servers through programming, WLanguage...
String literals: single-line and multiline strings
String literals are used to represent and manipulate data as a sequence of characters. For example, string literals can be used to display information, define a constant, etc.
SQLGetCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
TreeView Table control properties
List of properties associated with the TreeView Table control
mlzInsertLine (Function)
Inserts a new dynamic row in a Multiline Zone control.
Decrypt (Function)
Decrypts a string that was encrypted by Encrypt.
iChangeSubReportSource (Function)
Modifies through programming the report associated with a sub-report in a composite report.
OKCancelAsynchronous (Function)
Displays a message in a standard non-blocking dialog box with the answers "OK" and "Cancel" and calls a WLanguage procedure with the user's response.
NetSendFile (Function)
Transmits a file to an FTP server (File Transfer Protocol) powered by WINDEV.
This function is kept for backward compatibility.
<Chart>.DeleteSeries (Function)
Deletes a data series from a chart.
Nation (Function)
Defines or identifies the display language (captions, messages, ...) used for the windows, pages, reports and controls.
docElementText (Variable type)
The DocElementText type is used to handle the characteristics of a Text element found in a DocElement variable.
PageChangeLayout (Function)
Applies a specific layout to a page.
Sending and receiving emails
WINDEV, WEBDEV and WINDEV Mobile allow you to directly manage the emails from your applications...
PDFMerge (Function)
Merges several PDF files into a single PDF file. Files are merged one after the other. The paths of the PDF files can be included in an array.
HRSListConfig (Function)
Lists the replications available on a master HFSQL server.
OpenSibling (Function)
Opens a non-modal sibling window.
Print functions
List of print functions
WINDEV Mobile 2026: New WLanguage features
Version 2026 includes new and improved functions, properties and data types, ...
LooperSelectCount (Function)
Returns the number of selected rows in a Looper control.
SpreadsheetSelectWorksheet (Function)
Selects a worksheet (identified by its name) in a Spreadsheet control.
Deploying an Android application
WINDEV Mobile allows you to develop Android applications. Then, these applications can be easily deployed.
<Image variable>.HorizontalSymmetry (Function)
Flips an image contained in an Image variable with respect to a horizontal axis (symmetry with respect to a horizontal axis).
SelectColor (Function)
Opens the standard window for color selection and selects the specified color.
Functions for managing Map controls (prefix syntax)
The following functions are used to manage Map controls via prefix syntax
RegistryValueType (Function)
Returns the type of value found in the registry.
DotNetGetResult (Function)
Returns the result of the last .Net procedure that was successfully run.
Defining colors in Table controls
The colors of a Table control (row background, text of rows, etc.) are defined in the control description...
Defining specific character sets in HFSQL tables
When an application displays or saves data in HFSQL tables, this data is typed in the current language...
<Connection variable>.DeleteGroup (Function)
Deletes (from the server) a group of users associated with a connection.
Modifying the query content
The queries are used to easily select the records coming from one or more files, matching one or more selection criteria, ...
ArrayDistinct (Function)
Returns an array without duplicates.
WEBDEV - Browser code Note: This feature is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
FaxResume (Function)
Re-enables a fax paused in the spooler (pending fax).
GPSDetectPosition (Function)
Asks to be notified when the device gets close to a given location.
OpenChild (Function)
Opens a non-modal child window.
Parameters of the procedure used by NearbyShareSend
WLanguage procedure ("callback") called by NearbyShareSend to notify whether or not the data was sent successfully.
<Multiline Zone>.AddLine (Function)
Adds a new dynamic row into a Multiline Zone control.
LDAPValidateModify (Function)
Validates the modification of an existing object in an LDAP server.
5. User Groupware in practice
An object diagram represents a set of objects and how they relate to each other at a certain moment in time...
AnimationMinFPS (Function)
Configures the minimum number of images per second in order for the animations (transition effects) to be enabled in the controls.
Use WebSockets with the WebSocket server
The WebSocket protocol provides a communication channel over a TCP socket for browsers and Web servers...
Replace (Function)
Replaces all occurrences of a specified substring in a string with another specified substring.
DDEError (Function)
Returns the runtime status report of a DDE function.
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
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