async void EnumerateDeviceInterfaces(object sender, RoutedEventArgs eventArgs)
{
FocusState focusState = EnumerateInterfacesButton.FocusState;
EnumerateInterfacesButton.IsEnabled = false;
DeviceInterfacesOutputList.Items.Clear();
try
{
var selector = "System.Devices.InterfaceClassGuid:=\"" + InterfaceClassGuid.Text + "\"";
var interfaces = await DeviceInformation.FindAllAsync(selector, null);
rootPage.NotifyUser(interfaces.Count + " device interface(s) found\n\n", NotifyType.StatusMessage);
foreach (DeviceInformation deviceInterface in interfaces)
{
DeviceThumbnail thumbnail = await deviceInterface.GetThumbnailAsync();
DeviceThumbnail glyph = await deviceInterface.GetGlyphThumbnailAsync();
DeviceInterfacesOutputList.Items.Add(new DisplayItem(deviceInterface, thumbnail, glyph));
}
}
catch (ArgumentException)
{
//The ArgumentException gets thrown by FindAllAsync when the GUID isn't formatted properly
//The only reason we're catching it here is because the user is allowed to enter GUIDs without validation
//In normal usage of the API, this exception handling probably wouldn't be necessary when using known-good GUIDs
rootPage.NotifyUser("Caught ArgumentException. Verify that you've entered a valid interface class GUID.", NotifyType.ErrorMessage);
}
EnumerateInterfacesButton.IsEnabled = true;
EnumerateInterfacesButton.Focus(focusState);
}
private async void UpdateGlyphBitmapImage()
{
DeviceThumbnail deviceThumbnail = await DeviceInformation.GetGlyphThumbnailAsync();
var glyphBitmapImage = new BitmapImage();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
GlyphBitmapImage = glyphBitmapImage;
OnPropertyChanged("GlyphBitmapImage");
}
public DisplayItem(DeviceInformation deviceInterface, DeviceThumbnail thumbnail, DeviceThumbnail glyph)
{
name = (string)deviceInterface.Properties["System.ItemNameDisplay"];
id = "ID: " + deviceInterface.Id;
isEnabled = "IsEnabled: " + deviceInterface.IsEnabled;
thumb = thumbnail;
glyphThumb = glyph;
}
private async void UpdateGlyphBitmapImage()
{
DeviceThumbnail deviceThumbnail = await deviceInfo.GetGlyphThumbnailAsync();
BitmapImage glyphBitmapImage = new BitmapImage();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
GlyphBitmapImage = glyphBitmapImage;
RaisePropertyChanged("GlyphBitmapImage");
}
/// <summary>
/// Load the glyph for this device
/// </summary>
private async void LoadGlyph()
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
async() =>
{
DeviceThumbnail deviceThumbnail = await DeviceInfo.GetGlyphThumbnailAsync();
BitmapImage glyphBitmapImage = new BitmapImage();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
Glyph = glyphBitmapImage;
});
}
private async void BluetoothWatcher_Added(DeviceWatcher sender, DeviceInformation args)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
using (DeviceThumbnail Thumbnail = await args.GetGlyphThumbnailAsync())
{
BitmapImage Image = new BitmapImage();
BluetoothDeviceCollection.Add(new BluetoothDeivceData(args, Image));
await Image.SetSourceAsync(Thumbnail);
}
});
}
private async void GetThumbnail()
{
DeviceThumbnail thumb = await _information.GetGlyphThumbnailAsync();
Stream s = thumb.AsStreamForRead();
MemoryStream ms = new MemoryStream();
await s.CopyToAsync(ms);
ms.Seek(0, SeekOrigin.Begin);
WriteableBitmap wb = new WriteableBitmap(1, 1);
await wb.SetSourceAsync(ms.AsRandomAccessStream());
_thumbnail = wb;
OnPropertyChanged("Thumbnail");
}
/// <summary>
/// Load the glyph for this device
/// </summary>
private async void LoadGlyph()
{
try
{
DeviceThumbnail deviceThumbnail = await DeviceInfo.GetGlyphThumbnailAsync();
BitmapImage glyphBitmapImage = new BitmapImage();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
Glyph = glyphBitmapImage;
}
catch (Exception)
{
Glyph = null;
}
}
private async void UpdateGlyphBitmapImage()
{
BitmapImage glyphBitmapImage;
#if NOT_IOT_CORE
glyphBitmapImage = new BitmapImage();
DeviceThumbnail deviceThumbnail = await deviceInfo.GetGlyphThumbnailAsync();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
#else
string path = "ms-appx:///Assets/AAA.png";
glyphBitmapImage = new BitmapImage(new Uri(path, UriKind.Absolute));
#endif
GlyphBitmapImage = glyphBitmapImage;
OnPropertyChanged("GlyphBitmapImage");
}
private async void UpdateGlyphBitmapImage()
{
var glyphBitmapImage = new BitmapImage();
try
{
DeviceThumbnail deviceThumbnail = await DeviceInformation.GetGlyphThumbnailAsync();
await glyphBitmapImage.SetSourceAsync(deviceThumbnail);
}
catch (Exception ex)
{
// this means the device didn't have a device Glyph, which at this time I believe to be a problem with
// the device's package.
// in this case, we display a default bitmap
}
GlyphBitmapImage = glyphBitmapImage;
OnPropertyChanged("GlyphBitmapImage");
}
