ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HTMLControlValue (Function)
Used to identify or modify a control in an HTML form contained in an HTML Display control.
ModbusWriteBit (Function)
Writes one or multiple bits to a specific address in a Modbus slave.
ModbusWriteFloat (Function)
Writes one or more single-precision floats to a Modbus slave, starting at a specific address.
ModbusWriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
ModbusReadBit (Function)
Reads one or more bits from a Modbus slave, starting at a specific address.
ModbusReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
ModbusReadRegister (Function)
Reads one or more registers from a Modbus slave, starting at a specific address.
InWebSocketServerMode (Function)
Indicates if the current code is being executed on the WebSocket server.
WebSocketListConnectedUser (Function)
Lists the clients connected to the WebSocket server.
WebSocketSend (Function)
Sends a message from the WebSocket server to the client.
WebSocketDisconnect (Function)
Disconnects a client from a WebSocket server.
InWebSocketServerGlobalServiceMode (Function)
Indicates if the current code is being executed on the global service of the WebSocket server.
ModbusDisconnect (Function)
Closes the Modbus session.
HTMLValidateForm (Function)
Validates a form in an HTML page displayed in an HTML Display control.
TwoFactorAuthenticationGenerateTOTPKey (Function)
Generates a TOTP Key for an application user.
TwoFactorAuthenticationGenerateLink (Function)
Generates a link to register an account in an authentication application. When associated with a Bar Code control, this link will show a QR code that can be scanned in the authentication app installed on the phone.
TwoFactorAuthenticationCheckCode (Function)
Verifies the code given by an authentication application.
sListPort (Function)
Returns the list of serial and parallel ports on the computer.
HRecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
HTMLEditorInsert (Function)
Inserts text or HTML code at the cursor position in an HTML Editor control.
HTMLEditorReplace (Function)
Replaces one string with another in an HTML Editor control.
HTMLEditorFormatSelection (Function)
Modifies the style of the selected elements in an HTML Editor control.
CoordinateImageControlToImage (Function)
Converts the coordinates of a rectangle in the Image control to the corresponding coordinates in the image displayed in the control.
CoordinateImageToImageControl (Function)
Converts the coordinates of a rectangle in the image to the corresponding coordinates in the Image control.
HTMLEditorToEmail (Function)
Exports the content of an HTML Editor control to an Email variable (to send the email).