e applications. However, it is not clear why specifying with constants causes the compile error. I think that the compiler would accept only alphabets or numbers as the argument of DrawBitmap. It is just my guess, but if it were true, there might be more commands that behave the same.

	  <p>Another thing I noticed was that the coordinates I got by GetPen was the coordinates of the current window. I found this after adding code to display the tapped coordinates. The program is <A HREF="TN25.images/sample0