The following messages are used with video capture.
WM_CAP_ABORT
WM_CAP_DLG_VIDEOCOMPRESSION
WM_CAP_DLG_VIDEODISPLAY
WM_CAP_DLG_VIDEOFORMAT
WM_CAP_DLG_VIDEOSOURCE
WM_CAP_DRIVER_CONNECT
WM_CAP_DRIVER_DISCONNECT
WM_CAP_DRIVER_GET_CAPS
WM_CAP_DRIVER_GET_NAME
WM_CAP_DRIVER_GET_VERSION
WM_CAP_EDIT_COPY
WM_CAP_FILE_ALLOCATE
WM_CAP_FILE_GET_CAPTURE_FILE
WM_CAP_FILE_SAVEAS
WM_CAP_FILE_SAVEDIB
WM_CAP_FILE_SET_CAPTURE_FILE
WM_CAP_FILE_SET_INFOCHUNK
WM_CAP_GET_AUDIOFORMAT
WM_CAP_GET_MCI_DEVICE
WM_CAP_GET_SEQUENCE_SETUP
WM_CAP_GET_STATUS
WM_CAP_GET_USER_DATA
WM_CAP_GET_VIDEOFORMAT
WM_CAP_GRAB_FRAME
WM_CAP_GRAB_FRAME_NOSTOP
WM_CAP_PAL_AUTOCREATE
WM_CAP_PAL_MANUALCREATE
WM_CAP_PAL_OPEN
WM_CAP_PAL_PASTE
WM_CAP_PAL_SAVE
WM_CAP_SEQUENCE
WM_CAP_SEQUENCE_NOFILE
WM_CAP_SET_AUDIOFORMAT
WM_CAP_SET_CALLBACK_CAPCONTROL
WM_CAP_SET_CALLBACK_ERROR
WM_CAP_SET_CALLBACK_FRAME
WM_CAP_SET_CALLBACK_STATUS
WM_CAP_SET_CALLBACK_VIDEOSTREAM
WM_CAP_SET_CALLBACK_WAVESTREAM
WM_CAP_SET_CALLBACK_YIELD
WM_CAP_SET_MCI_DEVICE
WM_CAP_SET_OVERLAY
WM_CAP_SET_PREVIEW
WM_CAP_SET_PREVIEWRATE
WM_CAP_SET_SCALE
WM_CAP_SET_SCROLL
WM_CAP_SET_SEQUENCE_SETUP
WM_CAP_SET_USER_DATA
WM_CAP_SET_VIDEOFORMAT
WM_CAP_SINGLE_FRAME
WM_CAP_SINGLE_FRAME_CLOSE
WM_CAP_SINGLE_FRAME_OPEN
WM_CAP_STOP