Version: 2017.3
public FontStyle fontStyle ;

설명

The font style to use (for dynamic fonts).

If this is set to a value other then normal, the font style set in the font importer is overriden with a custom style. This is only supported for fonts set to use dynamic font rendering. Other fonts will always render in normal style.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { GetComponent<TextMesh>().fontStyle = FontStyle.Bold; } }