![](dotnetdiagramimages/C1_WPF_RichTextBox_Ribbon_C1_WPF_RichTextBox_Ribbon_C1BoldTool.png)
'Declaration
Public Class C1BoldTool Inherits C1.WPF.RichTextBox.Ribbon.RichTextBoxToggleButtonTool(Of Nullable(Of FontWeight)) Implements IUpdateableTool
public class C1BoldTool : C1.WPF.RichTextBox.Ribbon.RichTextBoxToggleButtonTool<Nullable<FontWeight>>, IUpdateableTool
System.Object
System.Windows.Threading.DispatcherObject
System.Windows.DependencyObject
System.Windows.Media.Visual
System.Windows.UIElement
System.Windows.FrameworkElement
System.Windows.Controls.Control
C1.WPF.Core.C1View
C1.WPF.Ribbon.C1Tool
C1.WPF.Ribbon.C1ToggleButtonTool
C1.WPF.RichTextBox.Ribbon.RichTextBoxToggleButtonTool<T>
C1.WPF.RichTextBox.Ribbon.C1BoldTool