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Const WM_CAP_SET_PREVIEWRATE = &H434 'sets the frame
display rate in preview mode.
Const WM_CAP_SET_SCALE = &H435 'enables or disables scaling
of the preview video images. If scaling is enabled, the captured video frame is
stretched to the dimensions of the capture window.
Const WM_CAP_SET_SCROLL = &H437 'defines the portion of the
video frame to display in the capture window. This message sets the upper left
corner of the client area of the capture window to the coordinates of a
specified pixel within the video frame.
Const WM_CAP_SET_SEQUENCE_SETUP = &H440 'sets the
configuration parameters used with streaming capture. Sets the capture rate by
specifying the number of microseconds between successive frames as the value of
this member
Const WM_CAP_GET_SEQUENCE_SETUP = &H441 'retrieves the current settings of the streaming capture parameters.
Const WM_CAP_SET_USER_DATA = &H409 'associates a LONG data
value with a capture window.
Const WM_CAP_SET_VIDEOFORMAT = &H42D 'sets the format of
captured video data.
Const WM_CAP_SINGLE_FRAME = &H448 'appends a single frame
to a capture file that was opened using the
WM_CAP_SINGLE_FRAME_OPEN message.
Const WM_CAP_SINGLE_FRAME_CLOSE = &H447 'closes the capture
file opened by the WM_CAP_SINGLE_FRAME_OPEN message.
Const WM_CAP_SINGLE_FRAME_OPEN = &H446 'opens the capture
file for single-frame capturing. Any previous information in the capture file is
overwritten.
Const WM_CAP_STOP = &H444 'stops the capture operation. In
step frame capture, the image data that was collected before this message was
sent is retained in the capture file. An equivalent duration of audio data is
also retained in the capture file if audio capture was enabled. |
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