jurepurgar

public class OpenIdConnectClientCredentialsHandler : DelegatingHandler
{
    private readonly OpenIdConnectClientCredentialsHandlerOptions _options = null;
    private readonly HttpClient _tokenClient = null;

    private TokenResponse _tokenResponse = null;

    private DateTime _tokenExpires;

    private Task _retreiveTokenTask = null;

jurepurgar

<ResourceDictionary>
	<BitmapImage x:Key="placeholder1" UriSource="/Images/thumb.png" />
</ResourceDictionary>


<ImageEx PlaceholderSource={StaticResource placeholder1} />

jurepurgar

public static class ImageUtils
    {

        public static async Task<IRandomAccessStream> ScaleImage(Stream inputStream, uint targetWidth, uint targetHeight)
        {
            InMemoryRandomAccessStream ras = new InMemoryRandomAccessStream();
            
            var decoder = await BitmapDecoder.CreateAsync(inputStream.AsRandomAccessStream());
            PixelDataProvider data = await decoder.GetPixelDataAsync();