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)...
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.
Assignment operators
Three assignment operators are available...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Constant
The constants are language elements whose value is fixed once and for all...
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...
Parameter Description (Type of variable)
Parameter Description variables are used to programmatically describe a parameter.
Syntax Description (Type of variable)
Syntax Description variables are used to programmatically describe the syntax of a report, window...
<Connection variable>.NotifListEmailRecipient (Function)
Returns the list of recipients for a notification by email.
<Connection variable>.NotifDeleteCCRecipient (Function)
Deletes the recipients of a notification sent via the Control Centers (WDBal messaging tool).
<pdfDocument variable>.Save (Function)
Saves the content of a pdfDocument variable in a ".PDF" file.
<Connection variable>.NotifDeleteEmailRecipient (Function)
Deletes the recipients of an email notification.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
<Connection variable>.OpenConnection (Function)
Opens a connection to a specific database.
<Connection variable>.Priority (Function)
Finds out and modifies the priority of the calling application.
<Connection variable>.PriorityClient (Function)
Modifies the priority of a client application.
<Connection variable>.ConnectionQuality (Function)
Returns the quality level of connection: the higher the level is, the faster the connection will be.
<Connection variable>.RefreshView (Function)
Asks to recalculate the content of a materialized view.
<Connection variable>.RetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
<Connection variable>.RetrieveBackup (Function)
Retrieves locally the content of a compressed backup (in ZIP format) performed on an HFSQL server.
<Connection variable>.RestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center),...
<Connection variable>.RSAddConfig (Function)
Adds a replication between two HFSQL server onto the master server.
<Connection variable>.RSWaitForDataProcess (Function)
Waits for: the replication data on the master server to be sent to the subscriber server....
<Connection variable>.RSExecute (Function)
Immediately runs a recurring replication between HFSQL servers: the replication is triggered...
<Connection variable>.RSInfo (Function)
Reads the replication configuration for an HFSQL server that takes part in one...
<Connection variable>.RSInit (Function)
Configures an HFSQL server in order for this server to be a master server or a subscriber server...
<Connection variable>.RSListConfig (Function)
Lists the replications available on a master HFSQL server.
<Connection variable>.RSModifyConfig (Function)
Modifies some parameters of an existing replication between two HFSQL servers.
<Connection variable>.RSDeleteConfig (Function)
Deletes a replication between two HFSQL servers.
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one...
<Connection variable>.SaveParameter (Function)
Saves a persistent value on the HFSQL server.