Structure

CGScreenUpdateMoveDelta

The distance, in pixel units, that an onscreen region moves.

Declaration

struct CGScreenUpdateMoveDelta

Overview

Move operation notifications are restricted to changes that move a region by an integer number of pixels. The fields dX and dY describe the direction of movement:

  • Positive values of dX indicate movement to the right.

  • Negative values of dX indicate movement to the left.

  • Positive values of dY indicate movement downward.

  • Negative values of dY indicate movement upward.