Not sure what you mean by "show a dialog as Icon Property."

Is this what you are looking for?

    private String path;
    public String Path {
      get { return path; }
      set { path = value;
           System.Windows.Forms.MessageBox.Show("message"); }
          }

>Hi
>
>I create a control with a property Path , but i want when establish the path show a dialog as Icon Property.
>Than's