在UWP App for HoloLens2中设置蓝牙可发现性

<Capabilities>
    <DeviceCapability Name="bluetooth" />
    <DeviceCapability Name="bluetooth.rfcomm">
        <Device Id="any">
            <Function Type="name:serialPort" />
        </Device>
    </DeviceCapability>
</Capabilities>

using Windows.Devices.Bluetooth;
using Windows.Devices.Bluetooth.Advertisement;

// 设置蓝牙可发现性
BluetoothAdapter adapter = await BluetoothAdapter.GetDefaultAsync();
if (adapter != null)
{
    // 检查当前的可发现性状态
    if (adapter.ScanMode != BluetoothScanMode.ConnectableDiscoverable)
    {
        // 设置可发现性为可连接和可发现
        var status = await adapter.RequestAccessAsync();
        if (status == BluetoothAccessStatus.Allowed)
        {
            var radio = await adapter.GetRadioAsync();
            radio.SetDiscoverable(BluetoothDiscoverableMode.General);
        }
    }
}