public CreateAttachmentResponseType CreateAttachment([System.Xml.Serialization.XmlElementAttribute("CreateAttachment", Namespace = "http://schemas.microsoft.com/exchange/services/2006/messages")] CreateAttachmentType CreateAttachment1) { object[] results = this.Invoke("CreateAttachment", new object[] { CreateAttachment1}); return ((CreateAttachmentResponseType)(results[0])); }