When working with the WPF application , you might sometimes want to use the relative source with the bindings in WPF (Windows Presentation foundation) .
How to use RelativeSource with WPF Binding in XAML?
You can do that by setting the RelativeSource attribute of the Binding property in XAML as shown below.
{Binding Path=PathToProperty, RelativeSource={RelativeSource Self}}
Check the MSDN article on the RelativeSourceMode property to know more about it