关于GetCharWidth32这个api(5分)

请高手指点一下关于GetCharWidth32这个api的用法<br>不胜利感激·

BOOL GetCharWidth32(<br>&nbsp; &nbsp; HDC hdc, // handle of device context <br>&nbsp; &nbsp; UINT iFirstChar, // first character in range to query &nbsp;<br>&nbsp; &nbsp; UINT iLastChar, // last character in range to query <br>&nbsp; &nbsp; LPINT lpBuffer // address of buffer for widths <br>&nbsp; &nbsp;