private void Button_Click(object sender, RoutedEventArgs e)
{
txt1.IsEnabled = true;
txt2.IsEnabled = true;
txt3.IsEnabled = true;
txt1.Focus();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
txt1.IsEnabled = false;
txt2.IsEnabled = false;
txt3.IsEnabled = false;
}
here txt1 will be get focused and keyboard work fine without clicking txt1