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 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...
NbThumbnail (Property)
The NbThumbnail property is used to get the number of thumbnails generated for an item.
MaxThumbnailHeight (Property)
The MaxThumbnailHeight property is used to get and change the maximum height of a thumbnail...
<Component>.Execute (Function)
Executes a global procedure present in an external component. This external component is loaded...
SizeUnit (Property)
The SizeUnit property gets and sets the font size unit.
NbDescribedThumbnail (Property)
The NbDescribedThumbnail property is used to get the number of thumbnails expected for an item.
LineSpacing (Property)
The LineSpacing property gets and sets the line spacing for variables of type Font.
CharacterSpacing (Property)
The CharacterSpacing property gets and sets the spacing between characters.
<HFSQL file>.ExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
BTLECharacteristicReadValue (Function)
Reads the value of a characteristic on a Bluetooth Low Energy device.
BTLECharacteristicWriteValue (Function)
Writes a value to a characteristic on a Bluetooth Low Energy device.
ContactAdd (Function)
Adds a contact: in a Lotus Notes or Outlook address book. into the list of contacts...
<Image>.Straighten (Function)
Transforms an image by applying perspective correction.
dStraighten (Function)
Transforms an image by applying perspective correction.
AppointmentModify (Function)
Modifies the current appointment: in a Lotus Notes or Outlook calendar. in the calendar found...
geoDistance (Function)
Returns the distance between the two locations. This distance is expressed in meters by default.
HModifyTask (Function)
Modifies a scheduled task on the HFSQL server defined by the connection.
geoAzimuth (Function)
Returns the direction represented by a location in relation to another one.
CombinationFromValue (Function)
Returns a combination of one or more options known by their associated values.
CombinationFromName (Function)
Returns a combination of one or more options known by their names.
CombinationCheckName (Function)
Checks whether a combination of one of more options known by their names is valid.
inAppListProductInfo (Function)
Retrieves, from the store, information about the "In-App" products associated with the application.
TimelineListEvent (Function)
Returns: the list of events found between two given times in a TimeLine control, all events...
DateTimeValid (Function)
Checks the validity of a date/time between January 01, 0001 at 0 hours 0 minutes 0 seconds 0...
MapGetPosition (Function)
Returns the geographical position of the point located in the center of the map currently displayed...
HRefreshView (Function)
Asks to recalculate the content of a materialized view.