private void addToQueueButton_Click(object sender, MouseEventArgs e)
 {
     foreach (ToolsListItem item in ToolsListControl.Instance.SelectedItems)
     {
         PrintQueue.PrintQueueItem queueItem = new PrintQueue.PrintQueueItem(item.printItem);
         PrintQueue.PrintQueueControl.Instance.AddChild(queueItem);
     }
     ToolsListControl.Instance.ClearSelectedItems();
     PrintQueue.PrintQueueControl.Instance.EnsureSelection();
 }
 private void addToQueueButton_Click(object sender, MouseEventArgs e)
 {
     foreach (PrintLibraryListItem item in PrintLibraryListControl.Instance.SelectedItems)
     {
         PrintQueue.PrintQueueItem queueItem = new PrintQueue.PrintQueueItem(item.printItem);
         PrintQueue.PrintQueueControl.Instance.AddChild(queueItem);
     }
     PrintLibraryListControl.Instance.ClearSelectedItems();
     PrintQueue.PrintQueueControl.Instance.EnsureSelection();
 }