public static partial BOOL ImmSetConversionStatus(IntPtr hIMC, IME_CMODE conversion, IME_SMODE sentence);
public static extern int ImmGetConversionStatus(HIMC hIMC, out IME_CMODE lpfdwConversion, out IME_SMODE lpfdwSentence);
public static extern BOOL ImmGetConversionStatus(IntPtr hIMC, out IME_CMODE lpfdwConversion, out IME_SMODE lpfdwSentence);