private void namequery_IsKeyboardFocusedChanged(object sender, DependencyPropertyChangedEventArgs e) { if (namequery.IsKeyboardFocused) { if (namequery.Text == (FindResource("txtFilename") as string)) { namequery.Text = ""; } } else { if (namequery.Text == "") { namequery.Text = (FindResource("txtFilename") as string); } } } }