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.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Constant
The constants are language elements whose value is fixed once and for all...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Assignment operators
Three assignment operators are available...
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...
The email structure
The email structure is a preset structure of WLanguage (no declaration is required)......
CriticalSection
... it possible to enable a named or on-variable critical section in the statement USING...
AddColumn (Function)
Adds a column at the end of a two-dimensional array property (xlsDocument variable for example]).
Manipulating an HTML Display control in the code
The HTML Display control is used to display a Web page in an application......
StringToTime (Function)
... variable].
Passing parameters
The parameters can be passed to a procedure......
ErrorReset (Function)
... variable returns to False.
CountryGet (Function)
Returns the Country variable corresponding to an ISO code or to the country caption according...
Class (Property)
... variant or dynamic object variable.
Manipulating Map controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically manipulate Map controls....
PageLayout (Property)
... The layout of the diagram is defined in a variable of type diagLayout.
Constants used by the XML signature
Constants used by the XML signature...
Manipulating Combo Box controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically manipulate Combo Box controls......
How to populate a TreeView control using a data file?
By default, the TreeView control cannot automatically display the data coming from a data file......
Minute (Property)
The Minute property is used to: Retrieve the minutes from a Time or DateTime variable,...
Handling a Calendar control by programming
WINDEV, WEBDEV and WINDEV Mobile allow you to handle a Calendar control through programming......
<Source>.Add (Function)
... in a Record variable into the data file (query or view).
HAdd (Function)
... in a Record variable into the data file (query or view).
Handling a TreeMap through programming
WINDEV allows you handle a TreeMap control through programming....
<Destination>.CopyRecord (Function)
the content of the Record variable to the current data file record....
ContinentGet (Function)
Returns the Continent variable that corresponds to one of the following values: a continent...
HCopyRecord (Function)
the content of the Record variable to the current data file record....
Error 305: The element does not exist in the window
Handling a control through programming in a report
All report controls can be handled through programming......