Accord.Controls.Histogram.Histogram_MouseDown C# (CSharp) Метод

        private void Histogram_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            if ((allowSelection) && (values != null))
            {
                int x = 1;
                int y = 1;

                if ((e.X >= x) && (e.Y >= y) && (e.X < x + width) && (e.Y < y + height))
                {
                    // start selection
                    tracking = true;
                    start = (vertical) ? (e.Y - y) : (e.X - x);
                    this.Capture = true;
                }
            }
        }