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.
iPrintXLS (Function)
Prints the current worksheet of a document in "xlsx" or "xls" format.
EmailUnsubscribeFromFolder (Function)
Removes a folder from the list of subscribed folders. This new function is available from WINDEV...
zipExist (Function)
Determines whether an archive exists.
<Map>.InfoPosition (Function)
Returns the coordinates (in pixels) of the point corresponding to a geographical position (latitude...
zipFindFile (Function)
Search for a file in an archive (CAB, ZIP, RAR, WDZ, 7z, gzip, TAR or TGZ (TAR.GZ) format).
HRefreshView (Function)
Asks to recalculate the content of a materialized view.
COMCreateInstance (Function)
Instantiates a COM object (Component Object Model).
HDeleteTask (Function)
Deletes a scheduled task from an HFSQL Client/Server server....
zipDeleteFileList (Function)
Deletes a list of files from an archive.
OCRParameter (Function)
Initializes the general options of the native OCR (Optical Character Recognition) system.
XMLOpenReader (Function)
Creates a reader used to read an XML document without loading it in memory.
QuickActionList (Function)
Lists the application's quick actions....
NotifPushSendSubscriber (Function)
Sends a notification to Android devices that are subscribed to a topic.
Component (Property)
The Component property configures the different components of a composite key.
RedisSet (Function)
Changes the value of a key on a Redis server.
HInfoServerRights (Function)
Gets the rights granted to a user or group of users on a server.
HListScheduledBackup (Function)
Lists the full and differential backups that have been scheduled on HFSQL Client/Server....
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
<TimeLine>.AddEvent (Function)
Adds an event into a TimeLine control.
<Duration type>.ToString (Function)
Converts a duration to a character string in the specified format.
HListTask (Function)
Lists the scheduled tasks of an HFSQL Client/Server server for a given connection....
<PDF reader>.GetSignature (Function)
Gets the signature of a PDF document as a buffer.
<xmlDocument>.ToJSON (Function)
Converts an XML string to JSON.
HManageTask (Function)
Enables or disables a scheduled task on an HFSQL Client/Server server....