BarManager.Categories Property

Gets a collection of categories used to logically organize bar items.

Namespace: DevExpress.Xpf.Bars

Assembly: DevExpress.Xpf.Core.v19.1.dll

Declaration

C#

public BarManagerCategoryCollection Categories { get; }

VB.NET

Public ReadOnly Property Categories As BarManagerCategoryCollection

Property Value

Type	Description
BarManagerCategoryCollection	A BarManagerCategoryCollection object that contain bar categories.

Remarks

Use this property to access a collection of categories created in the BarManager. Categories are used to logically organize bar items and provide quick access to them via the customization window. The Categories property allows you to add, remove and get individual categories. Each category is represented by a BarManagerCategory object.

You can assign an item to a specific category by specifying the item’s BarItem.Category property.

For more information, see the Categories document.

Example

This example shows how to create bar items and associate them with a custom Format category.

The following image shows the result:

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-create-bar-items-and-associate-them-with-categories-e1543.

Application.xaml.vb

Imports System
Imports System.Collections.Generic
Imports System.Configuration
Imports System.Data
Imports System.Linq
Imports System.Windows

Namespace WpfApplication3
    ''' <summary>
    ''' Interaction logic for App.xaml
    ''' </summary>
    Partial Public Class App
        Inherits Application

        Private Sub OnAppStartup_UpdateThemeName(ByVal sender As Object, ByVal e As StartupEventArgs)

            DevExpress.Xpf.Core.ApplicationThemeHelper.UpdateApplicationThemeName()
        End Sub
    End Class
End Namespace

Window1.xaml (VB.NET)

<Window x:Class="WpfApplication3.Window1" 
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core" 
        xmlns:dxb="http://schemas.devexpress.com/winfx/2008/xaml/bars"
        Title="Window1" Height="300" Width="300" >
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <dxb:BarContainerControl Grid.Row="0">
            <dxb:ToolBarControl Caption="Main Toolbar">
                <dxb:BarCheckItem Content="Bold" Glyph="{dx:DXImage Image=Bold_16x16.png}" CategoryName="Format" 
                                  CheckedChanged="checkBtnBold_CheckChanged"/>
                <dxb:BarCheckItem Content="Italic" Glyph="{dx:DXImage Image=Italic_16x16.png}" CategoryName="Format" 
                                  CheckedChanged="checkBtnItalic_CheckChanged"/>
            </dxb:ToolBarControl>
        </dxb:BarContainerControl>
    </Grid>
</Window>

Application.xaml

<Application x:Class="WpfApplication3.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" StartupUri="Window1.xaml" Startup="OnAppStartup_UpdateThemeName">
    <Application.Resources>

    </Application.Resources>
</Application>

Window1.xaml.vb

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Imports DevExpress.Xpf.Bars

Namespace WpfApplication3
    ''' <summary>
    ''' Interaction logic for Window1.xaml
    ''' </summary>
    Partial Public Class Window1
        Inherits Window

        Public Sub New()
            InitializeComponent()
        End Sub

        Private Sub checkBtnItalic_CheckChanged(ByVal sender As Object, ByVal e As ItemClickEventArgs)
            '...
        End Sub

        Private Sub checkBtnBold_CheckChanged(ByVal sender As Object, ByVal e As DevExpress.Xpf.Bars.ItemClickEventArgs)
            '...
        End Sub
    End Class
End Namespace

Window1.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using DevExpress.Xpf.Bars;

namespace WpfApplication3 {
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class Window1 : Window {
        public Window1() {
            InitializeComponent();
        }

        void checkBtnItalic_CheckChanged(object sender, ItemClickEventArgs e) {
            //...
        }

        void checkBtnBold_CheckChanged(object sender, DevExpress.Xpf.Bars.ItemClickEventArgs e) {
            //...
        }
    }
}

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Categories property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

howto-implement-resizing-the-navbarcontrols-width-with-thenavigationpaneview-by-dragging-e2572/VB/MainWindow.xaml#L14

<dxb:BarManager Name="barManager" CreateStandardLayout="True">
    <dxb:BarManager.Categories>
        <dxb:BarManagerCategory Name="File" />

how-to-customize-bars-and-items-at-runtime-and-serialize-the-layout-into-a-file-t325246/VB/CustomizationAndSerialization/MainWindow.xaml#L12

<dxb:BarManager Name="barManager">
    <dxb:BarManager.Categories>
        <dxb:BarManagerCategory Caption="MainMenuItems" Name="mainCategory"/>