'Declaration
 
Public Delegate Sub CategoryEventHandler( _
   ByVal sender As Object, _
   ByVal e As CategoryEventArgs _
) 

'Usage
 
Dim instance As New CategoryEventHandler(AddressOf HandlerMethod)

public delegate void CategoryEventHandler( 
   object sender,
   CategoryEventArgs e
)

Parameters

sender

The PropertyGrid that is sending the event.

e

The Category informations that are affected by the expand/collapse action.

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CategoryEventHandler Members
Xceed.Wpf.Toolkit.PropertyGrid Namespace