Index: src/HipoMainWindow.cs
===================================================================
--- src/HipoMainWindow.cs	(revisión: 28)
+++ src/HipoMainWindow.cs	(copia de trabajo)
@@ -380,6 +380,7 @@
 				return;
 			}
 			
+			SetGreyedObjects (true);				
 			this.device = device;
 
 			Thread thr = new Thread (new ThreadStart (PopulateView));
@@ -404,6 +405,13 @@
 				playlists.Clear ();
 				tracks.Clear ();
 			}
+
+			group["AddFile"].Sensitive = greyed;
+			group["AddFolder"].Sensitive = greyed;
+			group["Remove"].Sensitive = greyed;
+			group["AddToPlayList"].Sensitive = greyed;
+			group["Eject"].Sensitive = greyed;
+			group["NewPlayList"].Sensitive = greyed;
 		}
 		
 		private void PopulateView ()
