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...
WLanguage types
The different types in WLanguage are...
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.
Assignment operators
Three assignment operators are available...
Constant
The constants are language elements whose value is fixed once and for all...
<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.
FTPDirExist (Function)
Checks for a directory on an FTP server. This new function is available from WINDEV Suite SaaS...
UPNPMediaPause (Function)
Pauses the reading of the current media on the UPnP device.
iDocumentPrinted (Function)
Determines whether the user printed the document from the report viewer.
UPNPMediaOpen (Function)
Opens a media on the UPnP device.
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
NullAllowed (Property)
The NullAllowed property is used to manage the NULL value in the items of HFSQL tables.
MapInfoPosition (Function)
Returns the coordinates (in pixels) of the point corresponding to a geographical position (latitude...
inAppConsumeProduct (Function)
Used to consume, in an application, a product that was previously purchased by the user.
TimelineAddEvent(Function)
Adds an event into a TimeLine control.
EnumerationFromName (Function)
Returns an enumeration value known by its name.
HDeleteSet (Function)
Deletes a set of stored procedures from an HFSQL server.
HCloseConnection (Function)
Closes a connection to a database.
UPNPMediaStop (Function)
Stops reading the current media on the UPNP device.
AppServerAddScheduledTask (Function)
Adds a new scheduled task to the application (site or webservice).
MaskZipCode (Function)
Retrieves the postal code input mask adapted to a given country.
FTPListFile (Function)
Lists the directories or files in a directory located on an FTP server and returns the number...
UPNPMediaPlay (Function)
Starts reading the current media on the UPnP device.
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL tables.
FTPSize (Function)
Returns the size (in bytes) of a file located on an FTP server (File Transfer Protocol).
HExecuteProcedure (Function)
Runs a stored procedure.
HRSAddConfig (Function)
Adds a replication between two HFSQL server onto the master server.
GeometryCross (Function)
Compares two geometries and determines if their intersection spatially crosses.
NotifDelete (Function)
Deletes a notification displayed in the system bar of the device.
NotifModify (Function)
Modifies a notification currently displayed in the system bar of the device.