'Declaration
Public Class C1SimplifiedVerticalCenterAlignTool Inherits C1.WPF.RichTextBox.C1ToggleItemTool(Of Nullable(Of C1VerticalAlignment)) Implements IUpdateableTool
public class C1SimplifiedVerticalCenterAlignTool : C1.WPF.RichTextBox.C1ToggleItemTool<Nullable<C1VerticalAlignment>>, IUpdateableTool