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...
OCR constants
Adds a language to the native OCR system....
CountryList (Function)
Returns the list of all countries or countries of a given continent according to ISO 3166-1.
WBAdminListAccount (Function)
Returns the list of WEBDEV accounts on a WEBDEV Application Server.
MongoModifyOne (Function)
Modifies a document in a collection of MongoDB database.
MongoGridFSGetFileByID (Function)
Retrieves (on the local computer) a file identified by its identifier and found in a MongoDB file...
MongoGridFSGetFile (Function)
Retrieves (on the local computer) a file identified by its name and found in a MongoDB file system.
<Array>.Insert (Function)
Inserts an element at a given position: into a one-dimensional array. into an associative...
<Array>.Reverse (Function)
Reverses the content of a one-dimensional array.
PDFAddWatermark (Function)
Adds a watermark to all or some pages of an existing PDF file.
EmailSeekFirst (Function)
Finds one or more emails according to the criteria specified in the messaging software (Outlook,...
Move (Function)
Allows you to: move an element in a one-dimensional WLanguage array or in an advanced array...
Seek (Function)
Searches for the index of an element in a WLanguage array.
SwapLine (Function)
Used to swap two rows in a two-dimensional array or in an advanced array property.
HTMLWrap (Function)
Wraps the specified node in a given node of an HTML document.
HTMLWrapAllChildren (Function)
Wraps all children of the given node in a new node in an HTML document.
HTMLRemoveChild (Function)
Removes a given node in the current node of an HTML document.
HTMLBuildString (Function)
Generates a UTF-8 string containing an HTML document.
WebSocketExecute (Function)
Executes a procedure in the context of a client connected to the WebSocket server.
DiagramToSVG (Function)
Exports a diagram to an SVG image.
DiagramSearch (Function)
Searches for shapes containing a specific text in a diagram.
ParallelTaskRequestCancellation (Function)
Requests the cancellation of a parallel task.
GglDriveConnect( Function)
Creates a connection to an Drive Google Drive.
SaaSAdminFindSubscription (Function)
Finds a SaaS subscription.
ArrayReverse (Function)
Reverses the content of a one-dimensional array.
GetTypeDefinition (Function)
Gets the description of a type identified by name.