Interface IHitTester

Namespace

Avalonia.Rendering

Assembly

Avalonia.Base.dll

[PrivateApi]
public interface IHitTester

Methods

HitTest(Point, Visual, Func<Visual, bool>?)

Hit tests a location to find the visuals at the specified point.

IEnumerable<Visual> HitTest(Point p, Visual root, Func<Visual, bool>? filter)

Parameters

p Point

The point, in client coordinates.

root Visual

The root of the subtree to search.

filter Func<Visual, bool>

A filter predicate. If the predicate returns false then the visual and all its children will be excluded from the results.

Returns

IEnumerable<Visual>

The visuals at the specified point, topmost first.

HitTestFirst(Point, Visual, Func<Visual, bool>?)

Hit tests a location to find first visual at the specified point.

Visual? HitTestFirst(Point p, Visual root, Func<Visual, bool>? filter)

Parameters

p Point

The point, in client coordinates.

root Visual

The root of the subtree to search.

filter Func<Visual, bool>

A filter predicate. If the predicate returns false then the visual and all its children will be excluded from the results.

Returns

Visual

The visual at the specified point, topmost first.