Do DataContext assign on XAML pointing to its code behind class

Question

I'm developing a Windows Phone 8 application with a User Control.

On this user control, I want to do the datacontext on XAML pointing to its codebehind. Now I'm doing it on the constructor:

public CustomOptionButton()
{
    InitializeComponent();

    LayoutRoot.DataContext = this;
}

But, How can I do it on XAML?

Answer 1

Try this:

<UserControl Name="LayoutRoot" 
             DataContext="{Binding RelativeSource={RelativeSource Self}}" ... />

or:

<UserControl.DataContext>
    <local:TestViewModel />
</UserControl.DataContext>

or:

<UserControl.Resources>
    <local:MyViewModel x:Key="TestViewModel" />
</UserControl.Resources>

<UserControl.DataContext>
    <Binding Source="{StaticResource TestViewModel}" />
</UserControl.DataContext>