Added viewmodel

imagecatalog/DataModel.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ImageCatalog_2
+{
+    public class DataModel : ViewModelBase
+    {
+
+        private string _sourcePath;
+
+        public string SourcePath
+        {
+            get => _sourcePath;
+            set
+            {
+                _sourcePath = value;
+                NotifyPropertyChanged();
+            }
+        }
+
+        private string _destinationPath;
+        public string DestinationPath
+        {
+            get => _destinationPath;
+            set
+            {
+                _destinationPath = value;
+                NotifyPropertyChanged();
+            }
+        }
+
+    }
+}