https://fontawesome.com/
http://www.fontawesome.com.cn/cheatsheet/
http://www.iconfont.cn/
string lj = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "fontawesome-webfont.ttf");
PrivateFontCollection pf = new PrivateFontCollection();
pf.AddFontFile(lj);
int x = Convert.ToInt32("F000", 16);
int d = Convert.ToInt32("F2E0", 16);
for (char i = '\uF000'; i <= '\uF2E0'; i++)
{
textBox1.Text += "[" + i.ToString() + "|" + Convert.ToString(i, 16).ToUpper() + "]";
}
textBox1.Font = new System.Drawing.Font(pf.Families[0], 18);
button1.Text = "\uf171";
button1.Font = new Font("FontAwesome", 30);
label1.Text = "\uF00C";
label1.Font = new Font("FontAwesome", 90);
label1.BackColor = Color.Transparent;
button2.ForeColor = Color.Green;