TwclRfCommClient.Channel Property

Gets and sets the RFCOMM channel number used for connection.

Namespace: wclBluetooth
Delphi
published
 property Channel: Byte read FChannel write SetChannel default 0;

Property Value

Type: Byte

The RF COMM channel number. The value must be between 0 and 33 (including 0 and 32).

If an application changes the property when connection is active the wclBluetoothErrors.wclEBluetoothClient exception raises.

If the Channel value is 0 a Bluetooth driver try to resolve required channel number by quering a target devices SDP using the service's UUID. In this case it will use the first found service that mutches the UUID.