NSLayoutAttribute Enum

  • Reference

Definition

Namespace:
UIKit
Assembly:
Xamarin.iOS.dll

An enumeration of attributes for use with constraint-based layouts.

[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)]
public enum NSLayoutAttribute
type NSLayoutAttribute =
Inheritance
Enum
NSLayoutAttribute
Attributes
UnavailableAttribute

Fields

Name Value Description
NoAttribute 0

Indicates no attribute.
Left 1

The left-most X value of the element.
Right 2

The right-most X value of the element.
Top 3

The top-most Y value of the element.
Bottom 4

The bottom of the element.
Leading 5

In locales with right-to-left text, this value is equal to Left. In locales such as Hebrew or Arabic, equal to Right.
Trailing 6

In locales with right-to-left text, this value is equal to Right. In locales such as Hebrew or Arabic, equal to Left.
Width 7

The size of the element along the X axis.
Height 8

The size of the element along the Y axis.
CenterX 9

The left-to-right midpoint of the element.
CenterY 10

The top-to-bottom midpoint of the element.
Baseline 11

The line on which text without descenders sits.
LastBaseline 11

The element's last baseline.
FirstBaseline 12

The element's first baseline.
LeftMargin 13

The left margin of the element.
RightMargin 14

The right margin of the element.
TopMargin 15

The top margin of the element.
BottomMargin 16

The margin from the bottom of the element.
LeadingMargin 17

The leading edge of the element's margin.
TrailingMargin 18

The trailing margin of the element.
CenterXWithinMargins 19

The X-center of the region bounded by the element's margins.
CenterYWithinMargins 20

The Y-center of the region bounded by the element's margins.

Remarks

Values used to specify particular constraint attributes in constraint-based layouts. These values are primarily used by methods in the NSLayoutConstraint class.

Applies to

See also