C#

try
{
  // blah blah blah
}
catch(InvalidOperationException e)
{
}
catch(FileNotFoundException ex)
{
}
catch
{
  // Generic error
}

public class MyDesigner : ParentControlDesigner
{
        public MyDesigner ()
        {}

 	public override SelectionRules SelectionRules
	{
		get
		{
                    return (SelectionRules.Locked | SelectionRules.Visible | SelectionRules.Moveable);
		}
	}
}

[Designer(typeof(MyDesigner))]
public class MyPanel : Panel
{
   public MyPanel ()
   {}
}

mav.northwind wrote:

want to display the name for a given extension like Windows Explorer does (for example: extension is ".txt", but explorer shows "text file")?

mav.northwind wrote:

That's an information you get (along with the icon associated, btw.) from a call to SHGetFileInfo from shell32.dll.