An application sends the IMC_SETSENTENCEMODE message to an IME window to set the current sentence mode.
msg = (UINT) WM_IME_CONTROL;
wParam = (WPARAM) IMC_SETSENTENCEMODE;
lParam = 0;
Returns zero if successful, nonzero otherwise.
Windows NT: Requires version 4.0 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Input Method Editor Overview, Input Method Editor Messages