Stackoverflow, TextBox, UpdateSourceTrigger, PropertyChanged, RelativeSource Self

For lack of a better title, I am sure someone out there tried to perform validation work on a textbox where it was bound to itself.  Follow the code sample if you will: <TextBox>    <TextBox.Text>      <Binding RelativeSource=”{RelativeSource Self}” Path=”Text” UpdateSourceTrigger=”PropertyChanged” />    </TextBox.Text></TextBox> Once you type something in the text box, whammo!  StackOverflowException.  See: for reasons why….