System.Windows.Forms.CommandBar.UpdateSize C# (CSharp) Method

        private void UpdateSize()
        {
            if (this.style == CommandBarStyle.Menu)
            {
                int fontHeight = Font.Height;

                using (Graphics graphics = this.CreateGraphics())
                {
                    using (TextGraphics textGraphics = new TextGraphics(graphics))
                    {
                        foreach (CommandBarItem item in items)
                        {
                            Size textSize = textGraphics.MeasureText(item.Text, this.Font);
                            if (fontHeight < textSize.Height)
                            {
                                fontHeight = textSize.Height;
                            }
                        }
                    }
                }

                NativeMethods.SendMessage(this.Handle, NativeMethods.TB_SETBUTTONSIZE, 0, (fontHeight << 16) | 0xffff);
            }

            Size size = new Size(0, 0);
            for (int i = 0; i < items.Count; i++)
            {
                NativeMethods.RECT rect = new NativeMethods.RECT();
                NativeMethods.SendMessage(Handle, NativeMethods.TB_GETRECT, i, ref rect);
                int height = rect.bottom - rect.top;
                if (height > size.Height)
                {
                    size.Height = height;
                }

                size.Width += rect.right - rect.left;
            }

            this.Size = size;
        }