New scenario YouTubeexception etc

Exceptionhandling/Exceptionhandling.csproj

@@ -46,6 +46,9 @@
     <Compile Include="Calculator.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Video.cs" />
+    <Compile Include="YouTubeApi.cs" />
+    <Compile Include="YouTubeException.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />

Exceptionhandling/Program.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -12,21 +11,18 @@ namespace Exceptionhandling
         static void Main(string[] args)
         {
 
-            StreamReader streamreader = null;
             try
             {
-                streamreader = new StreamReader(@"c:\file.zip");
+                using(var streamreader = new StreamReader(@"c:\file.zip"))
-                var content = streamreader.ReadToEnd();
+                {
+                    var content = streamreader.ReadToEnd();
+                }
             }
             catch (Exception ex)
             {
                 Console.WriteLine("Sorry, an unexpected error occured. :" + ex.Message);
             }
-            finally
-            {
-                if (streamreader != null)
-                    streamreader.Dispose();
-            }
         }
     }
+
 }

Exceptionhandling/Video.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Exceptionhandling
+{
+    public class Video
+    {
+        public string Title { get; set; }
+    }
+}

Exceptionhandling/YouTubeApi.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+
+namespace Exceptionhandling
+{
+
+    public class YouTubeApi
+    {
+        public List<Video> GetVideos(string user)
+        {
+            try
+            {
+                // Access YouTube web interface
+                // Read the data 
+                // Create a list of Video objects
+                throw new Exception("Ooops some low level YouTube error.");
+            }
+            catch (Exception ex)
+            {
+                //Log
+                throw new YouTubeException("Could not fetch the videos from YouTube.",ex);
+            }
+            return new List<Video>();
+        }
+
+    }
+
+}

Exceptionhandling/YouTubeException.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace Exceptionhandling
+{
+    public class YouTubeException : Exception
+    {
+        public YouTubeException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+
+}