public async Task <string> TextFromImageAsync(byte[] data)
{
ComputerVisionClient computerVision = new ComputerVisionClient(new ApiKeyServiceClientCredentials("8715a698ede2411b8909589611ad3f6d"), new System.Net.Http.DelegatingHandler[] { });
computerVision.Endpoint = "https://westcentralus.api.cognitive.microsoft.com";
HttpOperationHeaderResponse <RecognizeTextInStreamHeaders> res = await computerVision.RecognizeTextInStreamWithHttpMessagesAsync(new MemoryStream(data), TextRecognitionMode.Printed);
var str = await res.Response.Content.ReadAsStringAsync();
var id = res.Headers.OperationLocation;
const int numberOfCharsInOperationId = 36;
id = id.Substring(id.Length - numberOfCharsInOperationId);
TextOperationResult result = await computerVision.GetTextOperationResultAsync(id);
var r = res.Response.Content.ReadAsStringAsync();
return(r.ToString());
}
