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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...
<gglConnection variable>.Disconnect (Function)
Disconnects the user from the Google services used. During the next re-connection,...
<gglConnection variable>.Write (Function)
Creates and/or updates data on the Google server (addition or modification of data)....
<gglConnection variable>.UploadDocument (Function)
Uploads a document to the Google server.
<gglConnection variable>.ListCalendar (Function)
Retrieves the list of Google calendars associated with the specified Google account.
<gglConnection variable>.Connect (Function)
Manages authentication on a Google server (via the "OAuth 2.0" authentication mode).
<gglConnection variable>.ListContact (Function)
Retrieves the list of contacts associated with the specified Google account.
<gglConnection variable>.ListContactByRequest (Function)
Retrieves a list of contacts from custom parameters.
<gglConnection variable>.ListDocument (Function)
Retrieves the list of documents available on the Google server for the current user.
<gglConnection variable>.ListContactGroup (Function)
Retrieves the list of groups of contacts associated with the specified Google account.
<gglConnection variable>.GetCalendar (Function)
Retrieves a Google calendar and its events according to its title or identifier.
<gglConnection variable>.GetDocument (Function)
Downloads a document from the Google Docs service.
<gglConnection variable>.FillCalendar (Function)
Fills a calendar that was retrieved beforehand: the events corresponding to the calendar...
<gglConnection variable>.FillCalendarByRequest (Function)
Fills a calendar that was retrieved beforehand: the events corresponding to the calendar...
<gglConnection variable>.Request (Function)
Sends a communication request (HTTP request) to a Google service.
<gglConnection variable>.Delete (Function)
Deletes data from the Google server.
<btleCharacteristic variable>.ChangeOfValue (Function)
Enables or disables the detection regarding the change of value for a Bluetooth Low Energy...
<btleCharacteristic variable>.WriteValue (Function)
Writes a value to a characteristic on a Bluetooth Low Energy device.
<btleCharacteristic variable>.ReadValue (Function)
Reads the value of a characteristic on a Bluetooth Low Energy device.
<btleDevice variable>.Connect (Function)
Used to connect to a Bluetooth Low Energy device.
<btleDevice variable>.Disconnect (Function)
Used to disconnect from a Bluetooth Low Energy device.
<btleDescriptor variable>.WriteValue (Function)
Writes the value of a descriptor to a Bluetooth Low Energy device.
<btleDescriptor variable>.ReadValue (Function)
Reads the value of a descriptor on a Bluetooth Low Energy device.
<btleDevice variable>.ConnectionStatus (Function)
Returns the current connection status to a Bluetooth Low Energy device or asks to be notified...
<btleDevice variable>.GetAllServices (Function)
Retrieves all the services corresponding to a UUID.
<btleService variable>.GetAllCharacteristics (Function)
Retrieves all the characteristics with the same identifier associated with a Bluetooth Low Energy...