protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
int buttonWidth = (int)(Data.HorizontalDLU * 60);
int btnHrzSpace = (int)(Data.HorizontalDLU * 3);
ClientSize = new Size(4 * buttonWidth + 3 * btnHrzSpace, 480);
MinimumSize = new Size(Width, 300);
}