private void DrawLines()
{
Graphics gfx = ResultBox.CreateGraphics();
for (int i = 1; i <= ColumnsInput.Value; i++)
{
gfx.DrawLine(Pens.Black, (float)(ResultBox.Left + (i * ResultBox.Width / ColumnsInput.Value)), ResultBox.Bottom, (float)(ResultBox.Left + (i * ResultBox.Width / ColumnsInput.Value)), ResultBox.Top);
}
}