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 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
<Page>.Use (Function)
Displays a WEBDEV page in the browser of the Web user and closes all the current page contexts.
Using an external component in an application
A component can be reused at any time in any application...
Testing a dynamic project from a test server
Before deploying your dynamic WEBDEV website, we recommend that you run the final tests from a test sever...
Error 1004: To explicitly access an element of the base class '%1', use the syntax
Usage example of the zipNbFile function
UsefulHeight (Property)
The UsefulHeight property gets and sets the useful height of an internal window (or supercontrol) with scrollbars.
5. User Groupware in practice
Closes the current browser window and stops the execution of the current code.
HClusterMasterNode (Function)
Returns the name of the master node in an HFSQL cluster.
MapDeleteAll (Function)
Deletes the following from a Map control:
  • all markers,
  • use any shape you want,
  • all images.
<PDF Reader>.Open (Function)
Opens a PDF file displayed in a PDF Reader control.
REST web service: Calling a web service function
RESTSend is used to call a REST webservice function.
<emailSMTPSession variable>.StartSession (Function)
Starts an SMTP session.
OpenChild (Function)
Opens a non-modal child window.
Instantiating an object
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation...
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.
GPSDetectPosition (Function)
Asks to be notified when the device gets close to a given location.
Configuring the assisted universal replication
If your application uses assisted universal replication via a .WER file, the setup creation wizard proposes to configure the setup to install the different tools required for this type of replication.
<picLayer variable>.PixelOpacity (Function)
Identifies the opacity of a pixel in a WDPicLayer image with an Alpha channel.
10. Page templates
Determines if a cell is merged with other cells and gets the merged cell range.
Unalterable tables
This feature is used to signal that a table cannot be modified after writing...
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.
GetDefinition (Function)
Retrieves the element type definition.
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...
Phone (Variable type)
The Phone type is used to handle a phone number as well as its type (home, work, ...).
HClusterNodeInfo (Function)
Returns the status of each cluster node by interrogating the coordinator.
Functions for managing Map controls (prefix syntax)
The following functions are used to manage Map controls via prefix syntax
SaaSAdminSubscriptionDeallocateLicense (Function)
Cancels a subscription license for a SaaS user.
NotesReset (Function)
Creates an empty document in Lotus Notes.
Code editor: Snake_case or PascalCase
There are several naming conventions to write variables in the code...
RegistryValueType (Function)
Returns the type of value found in the registry.
Installing a WEBDEV website with zero-downtime update
Starting with version 24, you can update a Session or AWP site without disconnecting users...
<List Box>.Insert (Function)
Inserts an element into a List Box, ListView or Combo Box control populated programmatically.
Coloring a row, a column or a cell found in a control (AAF)
To simplify the reading in the controls used to view large volumes of data, the end user has the ability to color the data found in the control...
Deploying an Android application
WINDEV Mobile allows you to develop Android applications. Then, these applications can be easily deployed.
PageChangeLayout (Function)
Applies a specific layout to a page.
SecurityHtml (Property)
The SecurityHtml property gets and sets the status of the security mechanism of HTML Display and HTML Editor controls.
DateToDayOfYear (Function)
Returns the day of the year corresponding to a given date.
Using WDMSG
The different steps for translating the project messages with WDMSG are as follows:
How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming.
Creating an interactive diagram
The Diagram Editor control allows end users to create and edit diagrams...
ContactEdit (Function)
Opens the details of a contact in edit mode in the default application of the device (Android, iPhone, iPad).
12. Control templates
Control templates
AJAXExecuteAsynchronous (Function)
Executes a server procedure without refreshing the page.
gpwLogin (Function)
Connects a user to an application that uses the User Groupware.
ServiceStop (Function)
Stops a service.
The Pager control
The Pager control is used to quickly access the records of a Table or Looper control displayed on several pages...
<Chart>.DonutHolePercentage (Function)
Modifies the percentage corresponding to the radius of the hole in a Donut chart.
<Word Processing>.Seek (Function)
Finds a character string in an entire Word Processing control.
StyleDrawCaptionGrayed (Function)
Customizes how text is drawn in grayed out controls.
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings that match the format.
PicSave (Function)
Saves the image found:
  • in an Image Editor control.
  • in a WDPic variable.
mqttSession (Variable type)
The mqttSession type is used to define the parameters for connecting to the MQTT broker.
grSeriesColor (Function)
Initializes the color of a series or the color of a section.
Animating the image display (WEBDEV)
The Web sites propose several transition effects between the elements:
MultiPoint2D (Variable type)
The MultiPoint2D type is used to store a set of points defined with 2D coordinates. It is a collection of points: unlike in a linestring, points are not connected.
GPSInitParameter (Function)
Initializes the parameters of geolocation WLanguage functions and finds a location provider.
Scheduler control: Customize appointments
In the Scheduler control, the appointment is displayed in a specific area...
Zombie tables and items
During the life of an application, items live and die...
HexaToBuffer (Function)
Converts a string with hexadecimal bytes to a binary buffer.
<WDPic variable>.PixelColor (Function)
Identifies the color of a pixel contained in a WDPic variable.
Yousign
It is now common for individuals or businesses to sign contracts electronically...
ListAdd (Function)
Adds an element to a List Box, ListView or Combo Box control populated programmatically.
<sfConnection variable>.SeekDeleted (Function)
Seeks and retrieves the records (Salesforce objects) deleted during the specified period.
<PolygonGeo variable>.Intersect (Function)
Checks whether the intersection of a geographic polygon and another geometry does not result in an empty set.
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.
<Connection variable>.DescribeServerTrigger (Function)
Adds or modifies a server trigger.
Internal component description
The description of an internal component can opened at any time...
DriveCopyFile (Function)
Copies a single file on a remote drive to another directory on same drive.
Table,Modify (External language)
Modifies an element in a Table control.
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
MenuAddSeparator (Function)
Adds a new separator in a menu (drop-down or context menu).
<btleDevice variable>.Connect (Function)
Used to connect to a Bluetooth Low Energy device.
HCreationIfNotFound (Example)
Example of the HCreationIfNotFound function
4. Monitor your applications
Displays the first image for the scroll.
Managing WebSockets
WebSockets enable bidirectional communication between web applications (Intranet or Internet sites run in a browser) and web servers...
zipDeleteFileList (Function)
Deletes a list of files from an archive.
The Dockable Panel control
The Dockable Panel control allows you to easily organize the software interface into zones that the end user can freely move...
xmlSignatureVerification (Variable type)
The xmlSignatureVerification type is used to define the information required to verify an XML signature.
WEBDEV administrator: Advanced configuration
The "Advanced" tab enables you to configure advanced options of the server...
Manipulating PDF files
PDF is one of the most widely used formats for sending and storing electronic documents...
CurrentIndex (Function)
Depending on the specified control, returns:
  • the number of the current row displayed in the current Table control,
  • the number of the option with focus in a Check Box control,
  • the number of the current row in the current Looper control,
  • the index of the current indexed control.
HRecordDate (Function)
Returns the date and time of last write operation performed on a record in an HFSQL table (Classic or Client/Server).
DocEndModification (Function)
Signals the end of the grouping of a set of operations into a single event (undo/redo management).
SysNameExe (Function)
Returns the name and full path of an application.
Sidebar control features
The main characteristics of a Sidebar control can be configured...
ImageLast (Function)
Displays the last image for the scroll.
Defining colors in Table controls
The colors of a Table control (row background, text of rows, etc.) are defined in the control description...
1. WLanguage functions specific to WEBDEV
Seeks and retrieves the records (Salesforce objects) deleted during the specified period.
docElement (Variable type)
The docElement type is used to handle each element found in a docParagraph variable.
<Chart>.PiePullOut (Function)
Pulls out a section (or all sections) in a chart.
RTFToHTML (Function)
Returns the HTML string corresponding to the specified RTF string.
SysEnvironment (Function)
Returns the environment variables of the operating system for the current computer.
<Image>.First (Function)
Displays the first image for the scroll.
ReplicDeleteSubscription (Function)
Deletes the subscription of a replication on the replication server.
Address (Variable type)
The Address type is used to manipulate the address of a place or person.
EmailGetIndicator (Function)
Retrieves the indicators defined on an email of IMAP session.
ThreadStop (Function)
Stops a secondary thread. Function not recommended.
tapiCallDuring (Function)
Returns the duration of the call (difference between the start date and time of call and the end date and time of call).
<Word Processing>.EndModification (Function)
Indicates the end of a series of actions performed in a Word Processing control in a single event ("undo/redo").
TableSelectPlus (Function)
Selects a row in a Table or TreeView Table control.
ScreenFirst (Function)
Defines the next control that will be in edit in the current window.
NULL values: Allowing nullable types
Starting with version 2024, you can allow nullable types in a WINDEV, WEBDEV or WINDEV Mobile project...
1. Application overview
WINDEV Mobile tutorial: Developing an Android and iOS application Lesson 1 - Application overview - 10 min
sfError (Variable type)
The sfError type is used to find out the characteristics of an error returned by Salesforce...
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.
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.
<Looper>.SearchEverywhere (Function)
Searches for a value in all the attributes of a Looper control.
<Tab>.Open (Function)
Opens a new pane in a Dynamic Tab control.
<Array>.MoveLine (Function)
Allows you to:
  • move a row in a two-dimensional array or in an advanced array property. The other array rows are moved accordingly.
  • swap two rows in a two-dimensional array or in an advanced array property.
InsertReference (Function)
Adds the reference of an object at given position in a one-dimensional array.
The "Area" charts
The Area chart is used to highlight the amplitude of a change...
<Chart>.DeleteSeries (Function)
Deletes a data series from a chart.
<Table>.ModifyLine (Function)
Modifies a row in:
  • a Table control,
  • a TreeView Table control.
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.
RibbonAdaptSize (Function)
Adapts the size of the controls found in a Ribbon control according to the size of their caption.
SchedulerWorkingHourResource (Function)
Used to indicate the specific working hours per day and per resource in a Scheduler control.
<Image>.Occurrence (Function)
Returns the total number of images taken into account by the scroll.
How to avoid displaying the URL of WEBDEV pages in the browser?
By default, when the user connects to a site developed with WEBDEV, the address bar of the browser contains an address in the following format...
WDContinueError: Resume after error
This function forces the execution to resume after an error...
<Connection variable>.TransactionStart (Function)
Starts a transaction on the tables (HFSQL or accessed via Native Access) and creates the transaction table.
MVP RAD
WINDEV proposes an MVP RAD that generates the "table" and "form" windows as well as the necessary Presenter and Model classes...
pdfAttachment (Variable type)
The pdfAttachment type is used to define all the advanced characteristics of an attachment in a PDF document.
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...
Configuring the titles of columns (Table control)
The title of table columns is an important element of Table control...
1. Communication with WINDEV Mobile
WINDEV Mobile includes several communication functions for different fields.
Native Informix Connector: Requirements and remarks
Remarks and specific features of Native Informix Connector
SQLListSource (Function)
Lists the data sources declared on a local site.
Properties associated with reports and controls
List of properties associated with the reports and their controls
Error 530: The -- operator is not allowed
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...
DateTimeToEpoch (Function)
Converts a local datetime to Epoch format (number of time units since 01/01/1970 at 00h00 UTC).
docElementCheckBox (Variable type)
The docElementCheckBox type allows you to define all the advanced characteristics of a check box used in a form.
Manager of automated tests
The test manager is used to...
LooperSearchEverywhere (Function)
Searches for a value in all the attributes of a Looper control.
SelectColor (Function)
Opens the standard window for color selection and selects the specified color.
What is a database?
A database is an organized collection of data for a particular purpose (e.g., manage orders)...
1. Components provided with WINDEV
WINDEV is provided with projects that contain components.
<Breadcrumb>.ModifyLink (Function)
Modifies a link in a Breadcrumb control.
<WDPic variable>.DrawTextMarkdown (Function)
Draws Markdown text in a variable of type WDPic.
<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.
<Window>.EdDo (Window)
Runs an action (defined programmatically) and enables Undo/Redo operations on this action.
DisplayedItem (Property)
The DisplayedItem property is used to:
  • Find out the item or the variable displayed by the control.
  • Modify the item or the variable displayed by the control.
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.
BTLEDisconnect (Function)
Used to disconnect from a Bluetooth Low Energy device.
Using objects
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation...
PanelDetach (Function)
Detaches a Dockable Panel control to transform it into a floating window.
Exp (Function)
Calculates the exponential of a numeric value (reverse of Napierian logarithm).
Importing a CSS style sheet
WEBDEV gives you the ability to import a CSS style sheet into a WEBDEV project...
Replace (Function)
Replaces all occurrences of a specified substring in a string with another specified substring.
<Looper>.RefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
WDMap: Print records
WDMAP allows you to print the records found in a table...
XMLValidNode (Function)
Validates an XML node, its children and its attributes from its description in the XSD schema linked to the XML document.
Choosing the action associated with a WEBDEV button
Whatever the type of button, it is possible to associate an action with it...
rssCategory (Variable type)
The rssCategory type is used to handle the category of a RSS feed or stream entry.
<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...
SelectedTextWithTag (Property)
The SelectedTextWithTag property is used to get or change the text selected in a rich edit control (RTF or HTML) with HTML or RTF formatting tags.
<Image variable>.DrawShadow (Function)
Adds a shadow effect on an image found in an Image variable.
SysThumbnailDeleteButton (Function)
Deletes one of the buttons found in the thumbnail of the application from the taskbar.
BTOpenDeviceProperties (Function)
Opens the window of properties for a Bluetooth device.
TestCheckNull (Function)
Checks whether an expression is Null in assertive programming and in automated test mode.
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.
<Image>.SaveGIF (Function)
Saves an image:
  • in a file in GIF format.
  • in memory.
nWDInitProject: Project initialization code
Run the project initialization code...
<sfConnection variable>.Disconnect (Function)
Disconnects:
  • the Salesforce platform.
  • the current Salesforce session.
Deploying an Android application
WINDEV Mobile Tutorial: Deploying an Android application 10 min
TableEnumBreak (Function)
Enumerates the breaks found in a Table control.
6. Printing the product catalog
WINDEV Mobile Tutorial - Developing an Android and iOS application Lesson 6 - Printing the product catalog - 20 min
<Chart>.Scatter3DAltitudeColor (Function)
Defines the different colors used according to the altitude levels of a series found in a 3D Scatter chart.
Global procedure/function
A global procedure can be used in all the processes or events of the project.
ERR_DISCONNECTED_EXEC
Displays the next plane of a Sliding Banner control.
3. Multi-criteria search
WINDEV Tutorial: Managing data in a WINDEV application Lesson 3 - Multi-criteria search - 40 min
<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.
Comparing the project messages
The comparison between source and target text helps you find translation errors...
Address (Property)
The Address property is used to:
  • Establish a connection between the Conference control (and the associated stream) and the receiver. This property is equivalent to StreamConnect.
  • Get the address of the last outgoing connection request.
Count (Function)
Returns the number of occurrences of a control in a window, in a page or in a group of controls.
<Connection variable>.NotifDeleteCCRecipient (Function)
Deletes the recipients of a notification sent via the Control Centers (WDBal messaging tool).
2. Web development and WEBDEV
WEBDEV Tutorial: WEBDEV overview Lesson 2: Web development and WEBDEV - 10 min
Information 2102: 'Long' does not exist anymore: the integers are coded on 4 bytes
Downloads a file from a remote drive to the user's computer.
ToastDisplayIW (Function)
Opens a toast whose content is based on an internal window.
TabMDI (Property)
The TabMDI property is used to:
  • Get the type of a Tab control (simple tab or dynamic tab - MDI).
  • Change the type of a Tab control (simple tab or dynamic tab - MDI).
This property is obsolete from version 200057. Use DynamicTab.
<mongoGridFS variable>.ListFile (Function)
Retrieves the list of MongoDB files found in the MongoDB file system (gridFS).
2. WEBDEV administrator in practice
Builds a sequence of characters containing a line.
EmailSeekFirst (Function)
Finds one or more emails according to the criteria specified in the messaging software (Outlook, messaging software using the IMAP protocol, ...).
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.
MatDelete (Function)
Deletes an existing matrix.
Setup by stand-alone physical media
A setup by stand-alone physical media allows you to provide a media that contains all the files required for installing and running a site...
Map control functions
Map control functions
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.
Project description: Theme tab
The project description window allows you to configure various elements of your project...
The Progress Bar control
The Progress Bar control is used to follow the progress of an event...
Error 1009: The member of the class is private
Constants for managing the multi-touch
ContactCreate (Function)
Opens the native "Create contact" window of the device (Android, iPhone or iPad).
Manipulating Word Processing controls programmatically
Word Processing controls can be manipulated programmatically...
LoadDLL (Function)
Loads the specified library (DLL) in memory.
<upnpDevice variable>.GetMute (Function)
Retrieves the 'Mute' status of a UPnP device.
InPocketSimulatorMode (Function)
Indicates whether the code is run in the Pocket simulator.
Function kept for backward compatibility.
Root (Function)
Returns the root of a number.
External components for different platforms
Components are a remarkably useful tool for development teams...
<Window>.EdSave (Function)
Saves the changes made when the "Modification of UI by the end user" mode is enabled.
HSortView (Function)
Sorts an HFSQL view by creating an index on a view item. This function uses the former view mechanism.
fDecrypt (Function)
Decrypts a file that was encrypted by fCrypt.
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