private void Window_Loaded(object sender, RoutedEventArgs e)
{
_isUpdating = true;
AlphaText.Value = SelectedColor.A;
RedTextBox.Value = SelectedColor.R;
GreenText.Value = SelectedColor.G;
BlueText.Value = SelectedColor.B;
HexadecimalText.Text = SelectedColor.ToString();
_isUpdating = false;
}