BarManagerCategoryCollection Class

Represents a collection of categories.

Namespace: DevExpress.Xpf.Bars

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

Declaration

C#

public class BarManagerCategoryCollection :
    ObservableCollection<BarManagerCategory>

VB.NET

Public Class BarManagerCategoryCollection
    Inherits ObservableCollection(Of BarManagerCategory)

Related API Members

The following members return BarManagerCategoryCollection objects:

• BarManager.Categories

Remarks

Use the BarManager.Categories property to access the collection of categories owned by the BarManager. Each category is represented by the BarManagerCategory object.

To learn more, see Categories.

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) {
            //...
        }
    }
}

Inheritance

Object

Collection<BarManagerCategory>

ObservableCollection<BarManagerCategory>

BarManagerCategoryCollection