整合方法

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];
}