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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)...
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.
<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>.ListContactGroup (Function)
Retrieves the list of groups of contacts associated with the specified Google account.
<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...
<btleCharacteristic variable>.GetADescriptor (Function)
Retrieves the descriptor of a Bluetooth Low Energy characteristic corresponding to the specified...
<btleService variable>.GetACharacteristic (Function)
Retrieves the characteristic of a Bluetooth Low Energy service corresponding to the specified...
<btleDevice variable>.GetAService (Function)
Retrieves the service of a Bluetooth Low Energy device corresponding to the specified identifier...
<sfConnection variable>.Add (Function)
Creates a record in a file of a Salesforce database.
<sfConnection variable>.ForwardQuery (Function)
Continues to run a SOQL query (Salesforce Object Query Language) on the records of a Salesforce...
<sfConnection variable>.Connect (Function)
Allows you to authenticate yourself beside a Salesforce platform.
<sfConnection variable>.ConvertLead (Function)
Converts the leads.
<sfConnection variable>.Disconnect (Function)
Disconnects: the Salesforce platform. the current Salesforce session....