capSetScrollPos
The capSetScrollPos
macro 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. You can
use this macro or explicitly call the WM_CAP_SET_SCROLL message.
BOOL capSetScrollPos(
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hwnd, |
|
|
lpP |
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); |
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Parameters
hwnd
Handle of a
capture window.
lpP
Address to
contain the desired scroll position.
Return Values
Returns TRUE
if successful or FALSE otherwise.
Remarks
The scroll
position affects the image in both preview and overlay modes.
See Also