PHImageManagerMBS.ContentModeAspectFill = 1

Type	Topic	Plugin	Version
const	Photos	MBS Mac64bit Plugin	20.2

One of the content mode constants.

Scales the image so that it completely fills the target size.

PHImageManagerMBS.ContentModeAspectFit = 0

Type	Topic	Plugin	Version
const	Photos	MBS Mac64bit Plugin	20.2

One of the content mode constants.

Scales the image so that its larger dimension fits the target size.

PHImageManagerMBS.ContentModeDefault = 0

Type	Topic	Plugin	Version
const	Photos	MBS Mac64bit Plugin	20.2

One of the content mode constants.

Fits the image to the requested size using the default option, PHImageContentModeAspectFit.

Use this content mode when requesting a full-sized image using the PHImageManagerMBS.MaximumSize value for the target size. In this case, the image manager does not scale or crop the image.

PHImageManagerMBS.PHInvalidImageRequestID = 0

Type	Topic	Plugin	Version
const	Photos	MBS Mac64bit Plugin	20.2

A special value provided for asynchronous image requests that cannot be canceled.