DCIBeginAccess

A macro that invokes the BeginAccess callback function with specified parameters.

DCIRVAL DCIBeginAccess(pdci, x, y, dx, dy)

DCISURFACEINFO FAR *pdci;

int x;

int y;

int dx;

int dy;

INPUT PARAMETERS

*pdci

Specifies a far pointer to a DCISURFACEINFO structure which was previously obtained via a DCIDCREATEPRIMARYSURFACE, DCICREATEOFFSCREENSURFACE, or DCICREATEOVERLAYSURFACE escape.

x

Specifies the rectangle left x coordinate in screen coordinates.

y

Specifies the rectangle top y coordinate in screen coordinates.

dx

Specifies the rectangle width.

dy

Specifies the rectangle height.


RETURNS

Returns DCIRVAL.