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 The same content in Microsoft HTML help file format is included in the download package.
Checkable Item

A MenuItem can be checked or unchecked like a checkbox. To enable this feature, set the IsCheckable to true. The following XAML demonstrates this feature:

<Window x:Class="Test.MainWindow"
        Title="MainWindow" Height="250" Width="350">
        <eo:Menu IsMainMenu="True">
            <eo:MenuItem Header="_File" />
            <eo:MenuItem Header="_Edit" />
            <eo:MenuItem Header="_View">
                <eo:MenuItem Header="_Tool Bar" IsCheckable="True" IsChecked="True"></eo:MenuItem>
                <eo:MenuItem Header="_Status Bar" IsCheckable="True"></eo:MenuItem>
            <eo:MenuItem Header="_Window" />
            <eo:MenuItem Header="_Help" />

The above code produces the following result:

You can also group multiple checkable items together in a single group by setting their CheckGroup to the same value. When multiple checkable items are grouped together, checking any item in the group automatically uncheck all other checked items.

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