An application sends the IMC_SETCOMPOSITIONFONT message to an IME window to specify the logical font to use for displaying intermediate characters in the composition window.
msg = (UINT) WM_IME_CONTROL;
wParam = (WPARAM) IMC_SETCOMPOSITIONFONT;
lParam = (LPARAM) &LogFont;
Returns zero if successful, nonzero otherwise.
When processing this message, the IME window changes the current selected font in the input context.
Windows NT: Requires version 4.0 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in imm.h.
Input Method Editor Overview, Input Method Editor Messages, LOGFONT