예제 #1
0
        private async void ConnectToDevice_Click(Object sender, RoutedEventArgs eventArgs)
        {
            var             selection = ConnectDevices.SelectedItems;
            DeviceListEntry entry     = null;

            if (selection.Count > 0)
            {
                var obj = selection[0];
                entry = (DeviceListEntry)obj;

                if (entry != null)
                {
                    // Create an EventHandlerForDevice to watch for the device we are connecting to
                    EventHandlerForDevice.CreateNewEventHandlerForDevice();

                    // Get notified when the device was successfully connected to or about to be closed
                    EventHandlerForDevice.Current.OnDeviceConnected = this.OnDeviceConnected;
                    EventHandlerForDevice.Current.OnDeviceClose     = this.OnDeviceClosing;

                    // It is important that the FromIdAsync call is made on the UI thread because the consent prompt can only be displayed
                    // on the UI thread. Since this method is invoked by the UI, we are already in the UI thread.
                    Boolean openSuccess = await EventHandlerForDevice.Current.OpenDeviceAsync(entry.DeviceInformation, entry.DeviceSelector);

                    // Disable connect button if we connected to the device
                    UpdateConnectDisconnectButtonsAndList(!openSuccess);
                }
            }
        }