以下消息用于视频捕获。
- 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
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