CGDisplayStreamUpdateMBS.UpdateDirtyRects = 2

Type	Topic	Plugin	Version
const	CoreGraphics	MBS MacCG Plugin	16.1

One of the rectangle selector values for getRects function.

The union of both refreshed and moved rects.

CGDisplayStreamUpdateMBS.UpdateMovedRects = 1

Type	Topic	Plugin	Version
const	CoreGraphics	MBS MacCG Plugin	16.1

One of the rectangle selector values for getRects function.

The rectangles that were simply moved from one part of the display to another

CGDisplayStreamUpdateMBS.UpdateReducedDirtyRects = 3

Type	Topic	Plugin	Version
const	CoreGraphics	MBS MacCG Plugin	16.1

One of the rectangle selector values for getRects function.

A possibly simplified (but overstated) array of dirty rectangles.

CGDisplayStreamUpdateMBS.UpdateRefreshedRects = 0

Type	Topic	Plugin	Version
const	CoreGraphics	MBS MacCG Plugin	16.1

One of the rectangle selector values for getRects function.

The rectangles that were refreshed on the display, not counting moved rectangles