GetGTextLen% Function

 Action
 Returns the pixel length of a string based on the currently selected font.

 Syntax
  GetGTextLen% ( txt$)


 Remarks
  GetGTextLen% is an integer that contains the pixel length of the string
 supplied in the argument  txt$. The pixel length returned from the
 GetGTextLen% function is based on the currently selected font. From this
 pixel length, you then can determine whether a string will fit on a
 particular screen (for example, CGA, EGA).