GDI+ Graphics Draw/Measure trimmed

    public partial class frmSOTest1036 : Form
    {
        public frmSOTest1036()
        {
            InitializeComponent();
            this.ResizeRedraw = true;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

            e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
            Font font = new Font("Century Gothic", 18F, FontStyle.Bold, GraphicsUnit.Point);
            string demo = "[Emergency 123]";

            StringFormat fmtTrimmed = new StringFormat(StringFormat.GenericTypographic) {
                Alignment = StringAlignment.Near,
                LineAlignment = StringAlignment.Near,
                Trimming = StringTrimming.EllipsisCharacter,
            };

            StringFormat fmtNotTrimmed = new StringFormat(StringFormat.GenericTypographic) {
                Alignment = StringAlignment.Center,
                LineAlignment = StringAlignment.Near,
            };

            try {
                Rectangle boundsHeader = new Rectangle(10, 10, this.ClientSize.Width - 20, (int)font.GetHeight() + 8);
                SizeF textSize = e.Graphics.MeasureString(demo, font, boundsHeader.Size, fmtNotTrimmed);

                boundsHeader.Inflate(1, 1);
                e.Graphics.DrawRectangle(Pens.Blue, boundsHeader);

                float textCenterBounds = (boundsHeader.Width - textSize.Width) / 2;
                e.Graphics.DrawRectangle(Pens.Green, boundsHeader.X + textCenterBounds, boundsHeader.Y, textSize.Width, textSize.Height);
                e.Graphics.DrawString(demo, font, Brushes.Black, boundsHeader, fmtNotTrimmed);

                RectangleF boundsLeft = new RectangleF(boundsHeader.X, boundsHeader.Y, textCenterBounds, boundsHeader.Height);
                SizeF sizeLeft = e.Graphics.MeasureString(demo, font, boundsLeft.Size, fmtTrimmed);

                e.Graphics.DrawRectangle(Pens.Red, boundsLeft.X, boundsLeft.Y, boundsLeft.Width, textSize.Height);
                e.Graphics.DrawString(demo, font, Brushes.Black, boundsLeft, fmtTrimmed);
            }
            finally {
                font.Dispose();
                fmtTrimmed.Dispose();
                fmtNotTrimmed.Dispose();
            }
        }
    }