ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<JSON variable>.ToString (Function)
Converts the content of a JSON variable to a JSON string.
<Image>.InvertColor (Function)
Inverts the colors in an Image control.
<xmlDocument variable>.ValidDocument (Function)
Validates an XML document from an XSD schema.
<xmlNode variable>.ValidNode (Function)
Validates an XML node, its children and its attributes from its description in the XSD schema linked to the XML document.
<mqttSession variable>.Connect (Function)
Used to connect to a MQTT server (also called "Broker").
<mqttSession variable>.Disconnect (Function)
Allows you to disconnect from a MQTT server (also called "Broker").
<mqttSession variable>.Publish (Function)
Publishes a message on the MQTT broker.
FileToURI (Function)
Saves the contents of a file to a resource identified by its URI.
ModbusReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
HTML Editor control functions (prefix syntax)
List of functions for managing HTML Editor controls (prefix syntax)...
Toast management functions
Connection (Property)
The Connection property gets and sets the connection associated with a data file.
<Image>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
COMCreateInstance (Function)
Instantiates a COM object (Component Object Model).
DateToDay (Function)
Returns the day that corresponds to a given date.
BTLEGetAllCharacteristics (Function)
Retrieves all the characteristics (with the same identifier) associated with a BLE service.
<btleService variable>.GetAllCharacteristics (Function)
Retrieves all the characteristics with the same identifier associated with a Bluetooth Low Energy service.
CertificateCheckFileSignatureBuffer (Function)
Checks the correspondence between a signature and a file. The signature was stored as a Buffer variable.
CertificateSignFile (Function)
Creates the signature of a file. This signature can be stored in a Buffer variable or in a text file.
DateToWeekNumber (Function)
Returns the week number within the year that corresponds to the specified date.
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
<TimeLine>.AddEvent (Function)
Adds an event into a TimeLine control.
<Map>.InfoPosition (Function)
Returns the coordinates (in pixels) of the point corresponding to a geographical position (latitude and longitude).
<Email variable>.ImportHTML (Function)
Imports, into the Email structure or into an Email variable, the content of an HTML file in order to send it by email.
<Email variable>.BuildSource (Function)
Generates the source code of the email to send from an Email variable.