ONLINE HELP
 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.
<emailSMTPSession variable>.StartSession (Function)
Starts an SMTP session.
<xmlDocument variable>.Save (Function)
Saves an XML document in a file.
<ftpConnection variable>.Connect (Function)
Connects the current computer to an FTP server (File Transfer Protocol). This new function...
<gglConnection variable>.GetDocument (Function)
Downloads a document from Google Docs.
<sfConnection variable>.Disconnect (Function)
Disconnects: the Salesforce platform. the current Salesforce session....
<Connection variable>.ModifyDatabaseProperty (Function)
Modifies the properties of a database located on an HFSQL server.
<Connection variable>.InfoTask (Function)
Returns the characteristics of a scheduled task in a hScheduledTask variable].
<pdfDocument variable>.ToText (Function)
Extracts text from a PDF file.
<upnpDevice variable>.MediaPause (Function)
Pauses the reading of the current media on the UPnP device.
<sfConnection variable>.Undelete (Function)
Restores previously deleted Salesforce records.
<Connection variable>.InfoDatabaseProperty (Function)
Used to find out the properties of a database on an HFSQL server.
<Document variable>.Print (Function)
Prints the content of a Document in "docx" format.
<sfConnection variable>.Search (Function)
Performs a search among the records found in a Salesforce database.
<emailNotesSession variable>.CloseSession (Function)
Closes a Notes session.
<zipArchive variable>.AddFile (Function)
Automatically adds and compresses any type of file into a CAB, ZIP, WDZ, 7z, TAR, gzip or TGZ...
<xmlNode variable>.FindNamespaceByURI (Function)
Finds an XML namespace from its URI (Universal Resource Identifier) in a node and in the parents...
<emailIMAPSession variable>.RemoveFolder (Function)
Deletes a folder on an IMAP server.
<ftpConnection variable>.Command (Function)
Sends a specific FTP command to a server. This new function is available from WINDEV Suite SaaS...
<Notification variable>.Modify (Function)
Modifies a notification currently displayed in the system bar of the device.
<Connection variable>.Backup (Function)
Backs up the contents of an HFSQL server: all server databases, one or more databases, one...
<Connection variable>.InfoDatabaseRights (Function)
Gets the rights granted to a user or group on a database.
<gglConnection variable>.Request (Function)
Sends a communication request (HTTP request) to a Google service.
<WDPic variable>.VerticalSymmetry (Function)
Flips an image contained in a WDPic variable (in the background layer) with respect to a vertical...
<emailOutlookSession variable>.ListFolder (Function)
Returns the list of folders found in the Outlook messaging software.
<zipArchive variable>.FileSize (Function)
Returns the size of one of the archive files (in CAB, RAR, WDZ, ZIP, 7z, gzip, TAR or TGZ (TAR.GZ)...