private void button1_Click_1(object sender, EventArgs e)
{
FontDialog fontDialog1 = new FontDialog();
DialogResult result = fontDialog1.ShowDialog();
if (result == DialogResult.OK)
{
Font font = fontDialog1.Font;
this.textBox1.Text = string.Format("Font is: {0} and style is: {1}", font.Name,font.Style);
this.textBox1.Font = font;
}
}
Here font.Style shows the style you selected from FontDialog