/// <summary>プロジェクトデータをファイルから読み込む。</summary> public static WaveguideDesignerProjectData ReadProjectFile(string filename) { WaveguideDesignerProjectData res=null; XmlSerializer ser = null; try { ser = new XmlSerializer( typeof( WaveguideDesignerProjectData ) ); } catch { } StreamReader sr = new StreamReader( filename, new UTF8Encoding( false ) ); res = (WaveguideDesignerProjectData)ser?.Deserialize( sr ); return res; }