Initial data commit

Task/Exceptions/C-sharp/exceptions-1.cs

@@ -0,0 +1,4 @@
+public class MyException : Exception
+{
+  // data with info about exception
+};

Task/Exceptions/C-sharp/exceptions-2.cs

@@ -0,0 +1,4 @@
+void foo()
+{
+  throw MyException();
+}

Task/Exceptions/C-sharp/exceptions-3.cs

@@ -0,0 +1,11 @@
+try {
+  foo();
+}
+catch (MyException e)
+{
+  // handle exceptions of type MyException and derived
+}
+catch
+{
+  // handle any type of exception not handled by above catches
+}