Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/io/drivenotfoundexception.cs

@@ -0,0 +1,43 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+//============================================================
+//
+//  Class:  DriveNotFoundException
+// 
+// <OWNER>[....]</OWNER>
+//
+//  Purpose: Exception for accessing a drive that is not available.
+//
+//
+//============================================================
+using System;
+using System.Runtime.Serialization;
+
+namespace System.IO {
+
+    //Thrown when trying to access a drive that is not availabe.
+    [Serializable]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public class DriveNotFoundException : IOException {
+        public DriveNotFoundException() 
+            : base(Environment.GetResourceString("Arg_DriveNotFoundException")) {
+            SetErrorCode(__HResults.COR_E_DIRECTORYNOTFOUND);
+        }
+    
+        public DriveNotFoundException(String message) 
+            : base(message) {
+            SetErrorCode(__HResults.COR_E_DIRECTORYNOTFOUND);
+        }
+    
+        public DriveNotFoundException(String message, Exception innerException) 
+            : base(message, innerException) {
+            SetErrorCode(__HResults.COR_E_DIRECTORYNOTFOUND);
+        }
+        
+        protected DriveNotFoundException(SerializationInfo info, StreamingContext context) : base(info, context) {
+        }
+    }
+}