◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── MCI_ANIM_STEP_PARMS The MCI_ANIM_STEP_PARMS structure contains parameters for the MCI_STEP message for animation devices. When assigning data the fields in this data structure, set the corresponding MCI flags in the dwFlags parameter of mciSendCommand to validate the fields. typedef struct { DWORD dwCallback; DWORD dwFrames; } MCI_ANIM_STEP_PARMS; Fields DWORD dwCallback The low-order word specifies a window handle used for the MCI_NOTIFY flag. DWORD dwFrames Specifies the number of frames to step. See also MCI_STEP -♦-