private void SaveLog(InstallLog installLog) { XmlDocument logDoc = new XmlDocument(); if (File.Exists(this.InstallLogFile)) logDoc.Load(this.InstallLogFile); else logDoc.LoadXml(string.Format("<plugin name='{0}'></plugin>", this.Name)); logDoc.DocumentElement.AppendChild(installLog.ToXml(logDoc)); logDoc.Save(this.InstallLogFile); }