char[] c2 = { (char)0x1B, (char)0x21 };
char[] c2_2 = " 영 수 증 ".ToCharArray();
char[] c2_3 = { (char)0x1B, (char)'!', (char)0x1 };
IEnumerable<char> ieC2 = c2.ToArray<char>();
IEnumerable<char> ieC2_2 = c2_2.ToArray<char>();
IEnumerable<char> ieC2_3 = c2_3.ToArray<char>();
ieC2 = ieC2.Concat<char>(ieC2_2);
ieC2 = ieC2.Concat<char>(ieC2_3);
foreach (char item in ieC2)
{
label1.Text += item;
}