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.
EmailSeekFirst (Function)
Finds one or more emails according to the criteria specified in the messaging software (Outlook,...
PDFAddWatermark (Function)
Adds a watermark to all or some pages of an existing PDF file.
Selection (Property)
The Selection property is used to get the characteristics of the selection (or cursor):...
Geolocation functions/GPS
The following functions are used to handle geolocation data and to control GPS devices......
CertificateOpenProperties (Function)
Opens the Windows window used to find out the properties of a certificate.
SSHConnectShell (Function)
Starts a new SSH session of "Shell" type.
SSHDisconnectShell (Function)
Closes an SSH session that was opened by SSHConnectShell.
SSHRead (Function)
Reads the data found on the output buffer of the SSH session.
MongoModifyOne (Function)
Modifies a document in a collection of MongoDB database.
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.
DiagramToSVG (Function)
Exports a diagram to an SVG image.
HTMLWrap (Function)
Wraps the specified node in a given node of an HTML document.
DiagramSearch (Function)
Searches for shapes containing a specific text in a diagram.
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.
Seek (Function)
Searches for the index of an element in a WLanguage array.
HTMLBuildString (Function)
Generates a UTF-8 string containing an HTML document.
Move (Function)
Allows: move an element in a one-dimensional WLanguage array or in an advanced array property...
MongoGridFSGetFileByID (Function)
Retrieves (on the local computer) a file identified by its identifier and found in a MongoDB file...