void PackageOperationError(object sender, PackageOperationExceptionEventArgs e)
 {
     AppendMessage (e.Exception.Message);
 }
		void PackageOperationError (object sender, PackageOperationExceptionEventArgs e)
		{
			messagesExpander.Label = e.Exception.Message;
			ResizeMessagesExpanderLabelWidthToFullDialogWidth ();
			AppendMessage (e.Exception.Message);
		}
		void RaisePackageOperationErrorEvent(object sender, PackageOperationExceptionEventArgs e)
		{
			if (PackageOperationError != null) {
				guiSyncDispatcher (() => PackageOperationError(sender, e));
			}
		}