UnityEditor.SpriteEditorWindow.GetUniqueName C# (CSharp) Method

        private string GetUniqueName(string prefix)
        {
            string str;
            bool flag;
            int num = 0;
            do
            {
                str = prefix + "_" + num++;
                flag = false;
                foreach (SpriteRect rect in this.m_RectsCache.m_Rects)
                {
                    if (rect.m_Name == str)
                    {
                        flag = true;
                    }
                }
            }
            while (flag);
            return str;
        }