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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Declaring and using a variable
A variable is defined by name and type...
Service variable
The Service variable is used to...
Report based on a variable (Data binding)
A report based on a variable is used to directly print the information found in a WLanguage variable...
Composite variable
A composite variable contains different types of elements (members)...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Advanced types
The advanced types of WLanguage are as follows
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Constant
The constants are language elements whose value is fixed once and for all...
IsNumeric (Function)
Enables you to find out whether a variable or a control is:
  • a numeric (integer, real, currency or numeric).
  • a string that can be converted into numeric.
WLanguage types
The different types in WLanguage are...
Assignment operators
Three assignment operators are available...
<Source>.Reset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
HReset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
<zipArchive variable>.ExtractPath (Function)
Returns the path of a file found in the archive.
<docFragment variable>.InsertTable (Function)
Replaces the specified fragment with a table.
<Variable sshSession>Command (Function)
Sends a command to an SSH server. The session is automatically started and closed as soon...
<Connection variable>.DeleteBackup (Function)
Deletes a backup previously created with HBackup.
<Image variable>.SaveBMP (Function)
Saves an image contained in an Image variable: in a file in BMP format. in memory....
<zipArchive variable>.EndAddingFile (Function)
Declares the end of the optimized addition of a series of files to an archive. This new function...
<Image variable>.DrawRoundedRectangle (Function)
Draws a rounded rectangle in an Image variable.
<gglConnection variable>.Disconnect (Function)
Disconnects the user from the Google services used. During the next re-connection,...
<Notification variable>.SendPushSubscriber (Function)
Sends a notification to Android devices that are subscribed to a topic.
<upnpDevice variable>.MediaOpen (Function)
Opens a media on the UPnP device.
<Connection variable>.RSDeleteConfig (Function)
Deletes a replication between two HFSQL servers.
<Connection variable>.TransactionIsolation (Function)
Configures the isolation level of transactions for a connection to an HFSQL server.
<picLayer variable>.Font (Function)
Declares the font to be used by the dText function in a picLayer type variable.
<Connection variable>.ExecuteScheduling (Function)
Immediately executes a scheduled item regardless of its scheduling: scheduled task (stored...
<ftpConnection variable>.RemoveDir (Function)
Deletes a directory and its content (files and subdirectories) from an FTP server (File Transfer...
<zipArchive variable>.StartAddingFile (Function)
Declares the start of the optimized addition of files to a CAB, ZIP, WDZ, 7z, TAR, gzip or TGZ...
<Connection variable>.OpenConnection (Function)
Opens a connection to a specific database.
<emailSessionIMAP variable>.ChangeStatus (Function)
Changes the status of an email on a messaging server.
<Notification variable>.Add (Function)
Adds a notification to the system bar (Android) or notification center (iOS).
<ManualEvent variable>.Close (Function)
Closes a synchronization event between several threads.
<htmlNode variable>.Remove (Function)
Removes the specified node and its descendants in an HTML document.
<htmlNode variable>.FindElementByName (Function)
Searches for elements whose "name" attribute matches a specific value in an HTML node.
<sshSession variable>.SCPGetFile (Function)
Gets a file via the Secure Copy Protocol.
<Image variable>.VerticalSymmetry (Function)
Flips an image contained in an Image variable with respect to a vertical axis (symmetry...
<Connection variable>.SetIntegrity (Function)
Enables or disables the management of an integrity constraint on a file link.