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.
HListScheduledBackup (Function)
Lists the full and differential backups that have been scheduled on HFSQL Client/Server....
GanttListLink (Function)
Lists the links found in a Gantt Chart column found in a Table (or TreeView Table) control.
GanttDeleteLink (Function)
Removes links from a Gantt Chart column in a Table or TreeView Table control.
HExecuteScheduledBackup (Function)
Forces the execution of a scheduled backup.
AppointmentList (Function)
Lists the appointments found on the mobile device (Android/iOS) and corresponding to the specified...
ContactList (Function)
Lists the device contacts corresponding to the specified criteria.
ParallelTaskCancel (Function)
Immediately ends the execution of the current task: the task is flagged as ptsCanceled.
ParallelTaskWaitAll (Function)
Waits for the end of execution of all parallel tasks found in an array.
MaskZipCode (Function)
Retrieves the zip code input mask adapted to a given country.
<Word Processing>.Select (Function)
Selects a fragment in a Word Processing control.
<Pivot table>.InfoXY (Function)
Returns the values of headers corresponding to a position in a Pivot Table control in pixels.
ScanList (Function)
Lists the scanners connected to the current computer.
HCloseConnection (Function)
Closes a connection to a database.
HInfoUser (Function)
Updates the variables for user management with the information regarding the specified user.
AIDetectDrawing (Function)
Classifies freehand drawings, including circles, squares and triangles.
AIDetectContour (Function)
Detects the contours of the shapes in an image.
<PDF reader>.GoToBookmark (Function)
Sets the position directly on the desired bookmark in the PDF document.
HPriority (Function)
Finds out and modifies the priority of the calling application.
HInfoFileProperty (Function)
Allows you to find out the properties of a table located in an HFSQL server.
GetDefinition (Function)
Retrieves the definition of element type.
HListParameter (Function)
Returns the list of parameters saved from the stored procedures on the server.
HExecuteAsynchronousProcedure (Function)
Executes a stored procedure in asynchronous mode. This new function is available from WINDEV Suite...
HInfoServerProperty (Function)
Allows you to find out the properties of an HFSQL server.