HitTestAllByRegion(NVisual,NRegion,INFilter<NVisual>,NRegion) Method

In This Topic

Hit tests the top most visual that resides in the specified visual root.

Syntax

public static NList<NVisual> HitTestAllByRegion( 
   NVisual visualRoot,
   NRegion regionInRoot,
   INFilter<NVisual> filter,
   NRegion clipInRoot
)

Parameters

visualRoot: visual root to hit test
regionInRoot: path in visualRoot coordinates with which to hit test
filter: filter for the visuals that need to be hit tested.
clipInRoot: the initial clip region (in root coordinates). Can be null.

Return Value

the top most hit

Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

NVisualTreeHelpers Class
NVisualTreeHelpers Members
Overload List