Change DnnInvoke.GetAvailableBackends() to DnnInvoke.AvailableBackends.

Emgu.CV.Example/XamarinForms/Core/AboutPage.cs

@@ -29,7 +29,7 @@ namespace Emgu.CV.XamarinForms
             }
 
             
-            var dnnBackends = DnnInvoke.GetAvailableBackends();
+            var dnnBackends = DnnInvoke.AvailableBackends;
             List<String> dnnBackendsText = new List<string>();
             foreach (var dnnBackend in dnnBackends)
             {

Emgu.CV.Example/XamarinForms/Core/MaskRcnnPage.cs

@@ -73,7 +73,8 @@ namespace Emgu.CV.XamarinForms
                 _maskRcnnDetector = Emgu.CV.Dnn.DnnInvoke.ReadNetFromTensorflow(manager.Files[0].LocalFile, manager.Files[2].LocalFile);
 
                 //prefer cuda backend if available
-                foreach (BackendTargetPair p in DnnInvoke.GetAvailableBackends())
+                
+                foreach (BackendTargetPair p in DnnInvoke.AvailableBackends)
                 {
                     if (p.Backend == Dnn.Backend.Cuda && p.Target == Target.Cuda)
                     {
@@ -230,7 +231,7 @@ namespace Emgu.CV.XamarinForms
 
             button.Clicked += OnButtonClicked;
 
-            BackendTargetPair[] availableBackends = Emgu.CV.Dnn.DnnInvoke.GetAvailableBackends();
+            BackendTargetPair[] availableBackends = Emgu.CV.Dnn.DnnInvoke.AvailableBackends;
 
             StringBuilder availableBackendsStr = new StringBuilder("Available backends: " + System.Environment.NewLine);
             foreach (BackendTargetPair p in availableBackends)

Emgu.CV/Dnn/DnnInvoke.cs

@@ -476,23 +476,25 @@ namespace Emgu.CV.Dnn
         /// <summary>
         /// Get the list of available DNN Backends
         /// </summary>
-        /// <returns>The available backend and target pair</returns>
-        public static BackendTargetPair[] GetAvailableBackends()
+        public static BackendTargetPair[] AvailableBackends
         {
-            using (VectorOfInt viBackends = new VectorOfInt())
-            using (VectorOfInt viTargets = new VectorOfInt())
+            get
             {
-                cveDNNGetAvailableBackends(viBackends, viTargets);
-                int[] backendArr = viBackends.ToArray();
-                int[] targetArr = viTargets.ToArray();
-
-                BackendTargetPair[] availableBackends = new BackendTargetPair[backendArr.Length];
-                for (int i = 0; i < backendArr.Length; i++)
+                using (VectorOfInt viBackends = new VectorOfInt())
+                using (VectorOfInt viTargets = new VectorOfInt())
                 {
-                    availableBackends[i] = new BackendTargetPair((Backend) backendArr[i], (Target) targetArr[i]);
-                }
+                    cveDNNGetAvailableBackends(viBackends, viTargets);
+                    int[] backendArr = viBackends.ToArray();
+                    int[] targetArr = viTargets.ToArray();
 
-                return availableBackends;
+                    BackendTargetPair[] availableBackends = new BackendTargetPair[backendArr.Length];
+                    for (int i = 0; i < backendArr.Length; i++)
+                    {
+                        availableBackends[i] = new BackendTargetPair((Backend) backendArr[i], (Target) targetArr[i]);
+                    }
+
+                    return availableBackends;
+                }
             }
         }