public static NSLayoutConstraint AlignLeftAnchor(this UIView view, NSLayoutXAxisAnchor anchor, float constant)
{
var constraint = view.LeftAnchor.ConstraintEqualTo(anchor, constant);
constraint.Active = true;
return(constraint);
}
/// <summary>
/// Constraint centreX anchor to an anchor.
/// </summary>
public static T ConstraintCentreXEqualTo <T>(this T view, NSLayoutXAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var centerXConstraint = view.CenterXAnchor.ConstraintEqualTo(anchor, constant);
if (constraints != null)
{
constraints.CenterX = centerXConstraint;
}
centerXConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint trailing anchor to an anchor.
/// </summary>
public static T ConstraintTrailingEqualTo <T>(this T view, NSLayoutXAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var trailingConstraint = view.TrailingAnchor.ConstraintEqualTo(anchor, -constant);
if (constraints != null)
{
constraints.Trailing = trailingConstraint;
}
trailingConstraint.Active = true;
return(view);
}
void AnchorEqual(NSLayoutXAxisAnchor target, NSLayoutXAxisAnchor host, nfloat margin) => target.ConstraintEqualTo(host, margin).Active = true;