IMN_SETCANDIDATEPOS

The IMN_SETCANDIDATEPOS message is sent when an IME is about to move the candidate windows. Applications use this message to be notified about the end of candidate processing. The UI window moves a candidate window when it processes this message.

There is no return value.

lParam

Shows which candidate list should be moved. For example, if bit0 is 1, the first candidate list should be moved. If bit31 is 1, the 32nd candidate list should be moved.