WM_CAP_SET_SCROLL

	Overview

	Group

	Quick Info

The WM_CAP_SET_SCROLL message 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 send this message explicitly or by using the capSetScrollPos macro.

WM_CAP_SET_SCROLL

wParam = (WPARAM) 0;

lParam = (LPARAM) (LPPOINT) (lpP);

Parameters
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.