'Declaration
 
Public Delegate Sub DialogOpenedEventHandler( _
   ByVal sender As Object, _
   ByVal eventArgs As DialogOpenedEventArgs _
) 

'Usage
 
Dim instance As New DialogOpenedEventHandler(AddressOf HandlerMethod)

public delegate void DialogOpenedEventHandler( 
   object sender,
   DialogOpenedEventArgs eventArgs
)

Parameters

sender

eventArgs

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

DialogOpenedEventHandler Members
Xceed.Wpf.Themes.MaterialDesign Namespace