System.Bluetooth.TBluetoothLEAdapter.DoStartDiscovery

• Up to Parent: TBluetoothLEAdapter

Delphi

function DoStartDiscovery(Timeout: Cardinal; const AFilterUUIDList: TBluetoothUUIDsList = nil): Boolean; virtual; abstract;

C++

virtual bool __fastcall DoStartDiscovery(unsigned Timeout, TBluetoothUUIDsList* const AFilterUUIDList = (TBluetoothUUIDsList*)(0x0)) = 0 ;

Properties

Type	Visibility	Source	Unit	Parent
function	protected	System.Bluetooth.pas System.Bluetooth.hpp	System.Bluetooth	TBluetoothLEAdapter

Description

Note: This is an abstract method that platform-specific subclasses of TBluetoothLEAdapter implement.

Starts a discovery operation to find remote devices using Bluetooth Low Energy.

StartDiscovery calls DoStartDiscovery.

DoStartDiscovery accepts the following parameters:

• Timeout: How much time you want to spend discovering remote devices using Bluetooth Low Energy.
• AFilterUUIDList (Optional): A list of one or more Bluetooth UUIDs.

When the discovery operation finishes, your adapter calls DoDiscoveryEnd providing a list of discovered remote devices.

DoStartDiscovery returns True if the discovery starts successfully, or False if something prevents the discovery from starting.

Platform Support

Platform	Notes
32-bit Windows 64-bit Windows	Timeout is ignored because DoStartDiscovery calls DoDiscoveryEnd immediately. Always returns True.
Mac OS X	OnDiscoveryEnd always occurs some time after the specified Timeout, never before. Always returns True.
iOS	OnDiscoveryEnd always occurs some time after the specified Timeout, never before. Always returns True.
Android	OnDiscoveryEnd always occurs after the specified Timeout, never before.

See Also

• System.Boolean
• System.Integer

• System.Bluetooth.TBluetoothLEAdapter.StartDiscovery
• System.Bluetooth.TBluetoothLEAdapter.DoDiscoveryEnd

• System.Bluetooth.TBluetoothLEManager.OnDiscoveryEnd

• System.Bluetooth.TBluetoothUUID
• System.Bluetooth.TBluetoothLEDeviceList