#347 – How to Set Content Property for Button Based on Command

When you set the Command property of a MenuItem, the menu item automatically picks up a label from the command object, so you don’t need to set the menu item’s Header property.  Unfortunately, this doesn’t work for Button controls.

If you do want to set a Button control’s Content property based on the Text property of the associated command, you can do this in either XAML or code.

To set Content based on command in XAML:

        <Button Content="{Binding RelativeSource={RelativeSource Self}, Path=Command.Text}"
                Command="ApplicationCommands.Open"
                VerticalAlignment="Center" Padding="10,5" Margin="5"/>

To set the Content in code:

            btnOpen.Content = ApplicationCommands.Open.Text;
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