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...
Constant
The constants are language elements whose value is fixed once and for all...
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.
WLanguage types
The different types in WLanguage are...
Assignment operators
Three assignment operators are available...
<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.
API description (Type of variable)
An API Description variable is used to describe an API, its parameters, its return value...
Procedure description (Type of variable)
The Procedure Description type is used to get information about a procedure or a method.
Property Description (Type of variable)
The Property Description type is used to get information about a property.
xmlSignatureInformationKeyX509 (Type of variable)
The xmlSignatureInformationKeyX509 type is used to define the information that must be included...
FullTextIndex description (Type of variable)
A FullTextIndex description variable is used to describe one or more full-text indexes...
Description of ParallelTask (Type of variable)
The Description of ParallelTask type is used to define the characteristics of a parallel task.
Value Description (Type of variable)
A Value Description variable is used to handle the description of an enumeration value...
Option Description (Type of variable)
An Option Description variable is used to handle the characteristics of a combination option...
<Document variable>.Print (Function)
Prints the content of a Document in "docx" format.
<docFragment variable>.Insert (Function)
Replaces the content of the current fragment. The objects that can be used are: an element,...
<Document variable>.Insert (Function)
Inserts an object in a Document variable. The objects that can be used are: an element,...
<docFragment variable>.InsertTable (Function)
Replaces the specified fragment with a table.
<Document variable>.Seek (Function)
Finds a character string in an entire Document variable.
<Document variable>.Redo (Function)
Restores the last action canceled on a Document variable.
<Document variable>.RedoCount (Function)
Returns the number of canceled actions that can be redone on a Document variable.
<Document variable>.Replace (Function)
... variable.
<Document variable>.Save (Function)
Saves a document as a "docx" file.
<Document variable>.Undo (Function)
Undoes the last action performed on a Document variable.
<Document variable>.UndoCount (Function)
Returns the number of actions that can be undone in a Document variable.
<Document variable>.UndoRedoDeleteAll (Function)
Deletes the entire history of Undo/Redo mechanism for a Word Processing document....
<Document variable>.ToHTML (Function)
Converts a Document variable into an HTML file.
<Document variable>.ToImage (Function)
Exports a page contained in a Document variable in image format.
<Document variable>.ToText (Function)
Creates a character string with the data of a Document variable.
<emailOutlookSession variable>.ChangeStatus (Function)
Changes the status of an email on a messaging server.
<emailSessionIMAP variable>.ChangeStatus (Function)
Changes the status of an email on a messaging server.