GetFirstVisibleItemIndex Method (NTreeView)

In This Topic

Given a top Y coordinate in viewport coordinates, returns the index of the first visible item in the scrollbable items list.

Syntax

protected override System.int GetFirstVisibleItemIndex( 
   System.double top
)

Parameters

top

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

NTreeView Class
NTreeView Members