use async all the way up

Author: PatrickFarley

articles/cognitive-services/Computer-vision/QuickStarts/CSharp-analyze.md

@@ -56,7 +56,7 @@ namespace CSHttpClientSample
         // the Analyze method endpoint
         static string uriBase = endpoint + "vision/v2.1/analyze";
 
-        static void Main()
+        static async Task Main()
         {
             // Get the path and filename to process from the user.
             Console.WriteLine("Analyze an image:");
@@ -67,8 +67,8 @@ namespace CSHttpClientSample
             if (File.Exists(imageFilePath))
             {
                 // Call the REST API method.
-                Console.WriteLine("\nWait a moment for the results to appear.\n");
-                MakeAnalysisRequest(imageFilePath).Wait();
+                Console.WriteLine("\nWait for the results to appear.\n");
+                await MakeAnalysisRequest(imageFilePath);
             }
             else
             {

articles/cognitive-services/Computer-vision/QuickStarts/CSharp-hand-text.md

@@ -60,7 +60,7 @@ namespace CSHttpClientSample
         // the Batch Read method endpoint
         static string uriBase = endpoint + "vision/v2.1/read/core/asyncBatchAnalyze";
 
-        static void Main()
+        static async Task Main()
         {
             // Get the path and filename to process from the user.
             Console.WriteLine("Text Recognition:");
@@ -72,7 +72,7 @@ namespace CSHttpClientSample
             {
                 // Call the REST API method.
                 Console.WriteLine("\nWait a moment for the results to appear.\n");
-                ReadText(imageFilePath).Wait();
+                await ReadText(imageFilePath);
             }
             else
             {

articles/cognitive-services/Computer-vision/QuickStarts/CSharp-print-text.md

@@ -59,7 +59,7 @@ namespace CSHttpClientSample
         // the OCR method endpoint
         static string uriBase = endpoint + "vision/v2.1/ocr";
 
-        static void Main()
+        static async Task Main()
         {
             // Get the path and filename to process from the user.
             Console.WriteLine("Optical Character Recognition:");
@@ -70,7 +70,7 @@ namespace CSHttpClientSample
             {
                 // Call the REST API method.
                 Console.WriteLine("\nWait a moment for the results to appear.\n");
-                MakeOCRRequest(imageFilePath).Wait();
+                await MakeOCRRequest(imageFilePath);
             }
             else
             {

articles/cognitive-services/Computer-vision/QuickStarts/CSharp-thumb.md

@@ -56,7 +56,7 @@ namespace CSHttpClientSample
         // the GenerateThumbnail method endpoint
         static string uriBase = endpoint + "vision/v2.1/generateThumbnail";
 
-        static void Main()
+        static async Task Main()
         {
             // Get the path and filename to process from the user.
             Console.WriteLine("Thumbnail:");
@@ -68,7 +68,7 @@ namespace CSHttpClientSample
             {
                 // Call the REST API method.
                 Console.WriteLine("\nWait a moment for the results to appear.\n");
-                MakeThumbNailRequest(imageFilePath).Wait();
+                await MakeThumbNailRequest(imageFilePath);
             }
             else
             {

articles/cognitive-services/Computer-vision/Vision-API-How-to-Topics/HowtoAnalyzeVideo_Vision.md

@@ -160,7 +160,7 @@ namespace BasicConsoleSample
         const string ApiKey = "<your API key>";
         const string Endpoint = "https://<your API region>.api.cognitive.microsoft.com";
 
-        private static void Main(string[] args)
+        private static async Task Main(string[] args)
         {
             // Create grabber.
             FrameGrabber<DetectedFace[]> grabber = new FrameGrabber<DetectedFace[]>();
@@ -201,14 +201,14 @@ namespace BasicConsoleSample
             grabber.TriggerAnalysisOnInterval(TimeSpan.FromMilliseconds(3000));
 
             // Start running in the background.
-            grabber.StartProcessingCameraAsync().Wait();
+            await grabber.StartProcessingCameraAsync();
 
             // Wait for key press to stop.
             Console.WriteLine("Press any key to stop...");
             Console.ReadKey();
 
             // Stop, blocking until done.
-            grabber.StopProcessingAsync().Wait();
+            await grabber.StopProcessingAsync();
         }
     }
 }