使用按钮

    public static class Res
    {
        /// <summary>
        /// URL: https://www.behance.net/gallery/2846011/Manteka
        /// </summary>
        public static FontFamily Maneteke = GetResourceFontFamily(Properties.Resources.manteka);

        public static FontFamily GetResourceFontFamily(byte[] fontbytes)
        {
            PrivateFontCollection pfc = new PrivateFontCollection();
            IntPtr fontMemPointer = Marshal.AllocCoTaskMem(fontbytes.Length);
            Marshal.Copy(fontbytes, 0, fontMemPointer, fontbytes.Length);
            pfc.AddMemoryFont(fontMemPointer, fontbytes.Length);
            Marshal.FreeCoTaskMem(fontMemPointer);
            return pfc.Families[0];
        }
    }

    public class FlatButton : Button
    {
        public FlatButton() : base()
        {
            Font = new Font(Res.Maneteke, Font.Size);
        }

        protected override void OnFontChanged(EventArgs e)
        {
            base.OnFontChanged(e);
            this.Font = new Font(Res.Maneteke, this.Font.Size);
        }
    }