Bind parent window control to usercontrol's property

Question

I have a window which has a tabcontrol. Content of one of the tab items is set to a usercontrol. There is a button in my main window whose IsEnabled property needs to be set to a property that is exposed by the usercontrol. I hope to do this the clean way ie using binding.

If that is not possible, then I can do it the dirty way by setting the button's IsEnabled property in the usercontrol. I tried some solutions posted on this group to get access to the main window, but I am not able to get it.

Any help with either of the approaches is greatly appreciated.

Answer 1

This can be done by giving the usercontrol a name, here is an example with a checkbox but it stands with usercontrols as well.

<Window x:Class="WpfApplication5.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <TabControl>
            <TabItem Header="Tab1">
                <CheckBox Name="checkBox1">Toggle to toggle button isEnabled</CheckBox>
            </TabItem>
        </TabControl>
        <Button Grid.Row="1" IsEnabled="{Binding IsChecked, ElementName=checkBox1}"></Button>        
    </Grid>
</Window>