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.
Database (Property)
The Database property is used to get and modify the database associated with a connection.
LeftIndent (Property)
The LeftIndent property gets and sets the left indent of an element.
Markdown (Property)
The Markdown property is used to enable or disable Markdown formatting: in a control...
Modified (Property)
The Modified property lets you know if an element has been modified.
RightIndent (Property)
The RightIndent property gets and sets the right indent of an element.
CaptionHTML (Property)
The CaptionHTML property is used to manipulate text as HTML code.
TopMargin (Property)
The TopMargin property sets the top margin of an element.
ProgressBar (Property)
WLanguage proposes...
RightToLeft (Property)
The RightToLeft property gets and changes the writing direction of an element...
File download functions
The following functions are used to manage downloads......
StoredValue (Property)
The StoredValue property gets and sets the stored value of an element.
RESTSend (Function)
Sends a REST request and waits for the server response.
<Array>.Info (Function)
Returns the characteristics of an array: type of elements, number of dimensions, dimensions, etc.
HTMLModifyAttribute (Function)
Adds or changes an attribute of the current node of the HTML document.
PDFAddImage (Function)
Adds an image to a page in an existing PDF file.
ArrayInfo (Function)
Returns the characteristics of an array: type of elements, number of dimensions, dimensions, etc.
HTMLFindElementByTag (Function)
Searches for elements that correspond to a tag in an HTML document (or an HTML node).
Managing dates and times
WINDEV, WEBDEV and WINDEV Mobile propose several methods for managing dates and times...
DeleteAll (Function)
Deletes all elements: from a one-dimensional or two-dimensional WLanguage array....
HTMLFindElementByClass (Function)
Searches for elements whose "class" attribute matches a specific value in an HTML document...
dBorder (Function)
Draws the borders.
Functions for managing queues, stacks and lists (prefix syntax)
List of functions for managing the queues, the stacks and the lists...
HTTPCookieGet (Function)
Retrieves the cookies read by a call: to HTTPRequest for an HTTP domain. to HTTPSend...