private void DrawAccidental(double notePos, string hasAcc, char orientation, byte partIndex)
{
Image imageAcc = new Image();
imageAcc.HorizontalAlignment = HorizontalAlignment.Left;
imageAcc.Source = LayoutController.GetElement("accidental", hasAcc);
imageAcc.Height = LayoutController.ElementHeight["A" + hasAcc];
double topAcc = LayoutController.GetAccidentalTopMargin(notePos, imageAcc.Height, orientation, partIndex);
imageAcc.Margin = new Thickness(leftMargin, topAcc, 0, 0);
staffGrid.Children.Add(imageAcc);
Grid.SetRow(imageAcc, partIndex);
}