private void BorderWidthSetup()
{
const string Sample = "Hairline"; // should be not smaller than the biggest text
const int PadX = 4;
const int PadY = 3;
const int Gap = 8; // gap between text and line
const int LineLength = 64;
RibbonItemCollection items = rcmbBorderWidth.Items;
items.BeginUpdate();
foreach (BordersForm.BorderWidthItem bwi in BordersForm.s_borderWidths)
{
RibbonButton item = new RibbonButton(bwi.Width.ToString());
item.OwnerDraw = true;
item.MeasureItem += (ss, ee) =>
{
SizeF s = ee.Graphics.MeasureString(Sample, this.Font, PointF.Empty, StringFormat.GenericDefault);
ee.ItemHeight = (int)Math.Round(s.Height + PadY * 2);
ee.ItemWidth = (int)Math.Round(s.Width + LineLength + PadX * 2 + Gap);
};
item.DrawItem += (ss, ee) =>
{
ee.DrawBackground();
using (Pen p = new Pen(ee.ForeColor, ((float)bwi.Width / 1440f) * ee.Graphics.DpiY))
using (SolidBrush b = new SolidBrush(ee.ForeColor))
using (var sf = new StringFormat(StringFormat.GenericDefault))
{
var offset = ee.Graphics.MeasureString(Sample, this.Font, PointF.Empty, StringFormat.GenericDefault).Width + PadX + Gap / 2;
sf.Alignment = StringAlignment.Far;
sf.LineAlignment = StringAlignment.Center;
ee.Graphics.DrawString(bwi.Text, this.Font, b, ee.Bounds.Left + offset - Gap / 2, ee.Bounds.Top + ee.Bounds.Height / 2, sf);
if (bwi.Width > 0)
{
ee.Graphics.DrawLine(p, ee.Bounds.Left + offset + Gap / 2, ee.Bounds.Top + ee.Bounds.Height / 2, ee.Bounds.Right - PadX, ee.Bounds.Top + ee.Bounds.Height / 2);
}
}
};
items.Add(item);
}
items.EndUpdate();
}