public GetAttachmentResponseType GetAttachment([System.Xml.Serialization.XmlElementAttribute("GetAttachment", Namespace = "http://schemas.microsoft.com/exchange/services/2006/messages")] GetAttachmentType GetAttachment1) { object[] results = this.Invoke("GetAttachment", new object[] { GetAttachment1}); return ((GetAttachmentResponseType)(results[0])); }