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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)...
Advanced types
The advanced types of WLanguage are as follows
<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.
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.
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.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Constant
The constants are language elements whose value is fixed once and for all...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Assignment operators
Three assignment operators are available...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Using Facebook authentication
Facebook is the world's most popular social network. It is commonly used by companies to reach...
HInfoView (Function)
Returns information about a materialized view.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
HManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check...
AIDetectModel (Function)
Runs a trained neural network model on an image. This function allows you to use artificial...
<modbusSession>.ReadRegister (Function)
Reads one or more registers from a Modbus slave, starting at a specific address.
<modbusSession>.ReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
Count (Property)
The Count property returns the number of elements in a given set.
HAddLink (Function)
Adds an integrity rule between two data files on the server.
HCopyFile (Function)
Copies an HFSQL data file (.fic, .ndx and .mmo files if they exist): from the HFSQL server...
xlsClose (Function)
Closes an XLS file.
HDisconnectClient (Function)
Displays a message on the Client computer(s) and disconnects the application.
HSendMessageToClient (Function)
Displays a message on the client computers.
DiagramSave (Function)
Saves a diagram as a "diag" file.
AuthRefreshToken (Function)
Refreshes a user's OAuth2 token when it expires....
fChangeSize (Function)
Resizes an external file.
oDriveConnect( Function)
Creates a connection to an Drive OneDrive.
EndService (Function)
Ends the execution of the current service.
OrganizerDisplay (Function)
Reinitializes the content of an Organizer control from its data source (HFSQL data file...
Handling Organizer controls programmatically
Organizer controls can be handled programmatically....
OrgModify (Function)
Modifies an element in an Organization Chart control.
Word Processing constants
The following constants are used by the functions for managing the Word Processing control:...
TimestampType (Property)
The TimestampType property is used to: Find out the type of timestamp for an item. This item...
HTTPSendForm (Function)
Sends an HTTP form.