// Event received when font asset properties are changed in Font Inspector
 void ON_SPRITE_ASSET_PROPERTY_CHANGED(bool isChanged, UnityEngine.Object obj)
 {
     if (m_spriteAsset != null && m_spriteAsset.spriteSheet != null && (obj as TMP_SpriteAsset == m_spriteAsset || obj as Texture2D == m_spriteAsset.spriteSheet))
     {
         if (m_textComponent != null)
         {
             m_textComponent.havePropertiesChanged = true;
             m_textComponent.SetVerticesDirty();
         }
     }
 }