public static async Task <AttachmentIcon> TryCreateAsync(string name, MemoryStream stream)
{
AttachmentIcon result = null;
foreach (var decoderId in DecoderIds)
{
stream.Position = 0;
try
{
var decoder = await BitmapDecoder.CreateAsync(decoderId, stream.AsRandomAccessStream()).AsTask().ConfigureAwait(false);
if (!(decoder.PixelWidth <= AttachmentIcon.MaxSize) || !(decoder.PixelHeight <= AttachmentIcon.MaxSize))
{
continue;
}
result = new AttachmentIcon(name, stream.ToArray(), (int)decoder.PixelWidth, (int)decoder.PixelHeight);
break;
}
catch
{
result = null;
}
}
return(result);
}
public ChangeIconCommand(PropertiesBag properties, Document document)
: base(properties, document)
{
newIcon = KeyIcon.TryParse(properties) ?? AttachmentIcon.TryParse(properties);
}
public bool Equals(AttachmentIcon other)
{
return(other != null && other.pixelWidth == pixelWidth && other.pixelHeight == pixelHeight && pixelData.SequenceEqual(other.pixelData));
}
