private void Window_Activated(object sender, EventArgs e)
{
TxtInput.Focus();
TxtInput.SelectAll();
}
} // end method InitialiseControlStatus
// select all in the specified text box
private void SelectText()
{
TxtInput.Select();
TxtInput.SelectAll();
} // end method SelectText
private void Window_Loaded(object sender, RoutedEventArgs e)
{
TxtInput.Focus();
TxtInput.SelectAll();
}