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...
gpwOAuthParameters (Type of variable)
The gpwOAuthParameters type allows you to define all the information needed for authentication...
Thread (Type of variable)
The Thread type allows you to define all the characteristics of a thread.
InputMask (Type of variable)
The InputMask type is used to define all the advanced characteristics of a custom input mask.
docTableOfContents (Type of variable)
The docTableOfContents type is used to define all the options to generate a table of contents...
Toast (Type of variable)
The Toast type is used to define all the advanced characteristics of a toast notification.
pdfAttachment (Type of variable)
The pdfAttachment type is used to define all the advanced characteristics of an attachment in a PDF...
pdfPage (Type of variable)
The pdfPage type is used to define all the advanced characteristics of a page from a PDF document...
pdfDocument (Type of variable)
The pdfDocument type gets all the characteristics of a PDF file: author, date created, page...
YAML (Type of variable)
The YAML type simplifies the handling of data in YAML format.
UUID (Type of variable)
The UUID type is used to easily manage: UUIDs or GUIDs, automatic UUID HFSQL identifiers,...
AppleID (Type of variable)
The AppleID type corresponds to the identifier resulting from a successful Apple ID authentication.
MapPolygon (Type of variable)
The MapPolygon type is used to define the characteristics of a polygon to be drawn on the map...
MapPolyline (Type of variable)
The MapPolyline type is used to define the characteristics of a line composed of several segments...
MapCircle (Type of variable)
The MapCircle type is used to define the characteristics of a circle to be drawn on the map...
MapImage (Type of variable)
The MapImage type is used to define the characteristics of an image to be drawn on the map...
Polygon (Type of variable)
The Polygon type is used to define the points of a polygon.
ocrTextBlock (Type of variable)
The ocrTextBlock type is used to define and identify all the advanced characteristics of a text...
ocrOption (Type of variable)
The ocrOption type is used to define all the general options of the native OCR (Optical Character...
MarkerImage (Type of variable)
The MarkerImage type is used to customize the image associated with a marker or a marker cluster...
DownloadParameter (Type of variable)
The DownloadParameter type is used to define all the advanced characteristics of a file download...
DownloadInfo (Type of variable)
The DownloadInfo type is used to read the different details about a download in progress retrieved...
JSONXMLConverter (Type of variable)
The JSONXMLConverter type is used to define all the advanced characteristics of the conversion...
Permission (Type of variable)
The Permission type represents a permission requested by the application (and therefore declared...
Scanner (Type of variable)
The Scanner type is used to handle the information from a scanner.
pdfParameter (Type of variable)
The pdfParameter type defines all the characteristics of the PDF file to be generated.