| Platform SDK: International Features | 
The ImmGetCompositionFont function retrieves information about the logical font currently used to display characters in the composition window.
BOOL ImmGetCompositionFont( HIMC hIMC, LPLOGFONT lplf );
If the function succeeds, the return value is a nonzero value.
If the function fails, the return value is zero.
  Windows NT/2000: Requires Windows NT 4.0 or later.
  Windows 95/98: Requires Windows 95 or later.
  Header: Declared in Imm.h.
  Library: Use Imm32.lib.
  Unicode: Implemented as Unicode and ANSI versions on Windows NT/2000.
Input Method Editor Overview, Input Method Editor Functions, LOGFONT