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Version: 2026

<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<HFSQL connection>.ReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<Connection variable>.InfoFileRights (Function)
Gets the rights granted to a user or group on an HFSQL Client/Server data file.
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing...
HInfoFileRights (Function)
Gets the rights granted to a user or group on an HFSQL Client/Server data file.
HCheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HModifyFileRights (Function)
Sets the rights granted to a user or group on an HFSQL Client/Server data file.
HCheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<HFSQL connection>.CheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server data file (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<Connection variable>.ModifyFileRights (Function)
Sets the rights granted to a user or group on an HFSQL Client/Server data file.
<Source>.CheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HStatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server data file.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators......
Collapsing/Expanding a TreeView control through programming
...To collapse/expand a TreeView control through programming, ......
TextDirection (Property)
The TextDirection property is used to determine and change the writing direction in a window, report or control (useful for languages such as Arabic or Hebrew).
Chart control: "Details" tab
Regardless of the editor (window, page or report), the "Details" tab found in the description window of Chart control is used to describe......
WDBal messaging: Reading messages
WDBal, the secure messaging provided with WINDEV, WEBDEV and WINDEV Mobile, allows you to easily read the incoming messages......
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage......
WDSQL, SQL querier: Overview
WDSQL is used to......
XMLRestorePosition (Function)
Restores the previously saved context of an XML document.
docTabulation (Type of variable)
The docTabulation type is used to define the characteristics of a custom tabulation.
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
Display (External language)
Displays a value in a control or assigns a value in a variable.
Image control in a page
Operations performed on class diagrams
The following paragraphs explain......
Display modes, transparency and symmetry of an image
An image can be displayed in a window, a window control, a report control, a page control or a block according to several display modes....
Setup for WINDEV and WEBDEV (Development version and WEBDEV Application Server for Windows)
Accessibilité (Property)
Automatic error handling
Error handling can be customized for each process......
The Gantt Chart control
A Gantt chart allows you to graphically view the progress status of a project......
MagnifierMode (Property)
The MagnifierMode property determines and changes how the magnifier is displayed in the column headings of a Table or TreeView Table control.
<Array>.Reduce (Function)
Applies a computation to each element of an array.
Service variable
The Service variable is used to......
The Internal Window control
The "Internal Window" control is used to include a window (and its code) in a control of another window......
Choosing the action associated with a WEBDEV button
Whatever the type of button, it is possible to associate an action with it......
EmailChangeFolder (Example)
Usage example of the EmailChangeFolder function
EmailListFolder (Example)
Usage example of the EmailListFolder function