private bool PackageAlreadyDownload() { if (!File.Exists("downloads/version.xml")) { return(false); } string dVersionNumber = UpdateUtils.GetVersionNumberFromFile("downloads/version.xml"); if (dVersionNumber != RemoteVersionNumber) { return(false); } if (PackageFileName == "") { return(false); } return(File.Exists("downloads/" + PackageFileName)); }
/* * 1. get version number of remote server * 2. compare it with the version number of local running, if equal return. * 3. check if there is a package downloaded in the temporary directory. * 4. if there is not a package download the pacakge. * 5. ask user to update and restart. */ private void getVersionCallback(String versionXml) { ParseRemoteXml(versionXml); string localversion = UpdateUtils.GetVersionNumberFromFile("version.xml"); if (UpdateUtils.CompareVersion(RemoteVersionNumber, localversion)) // step 2 { if (PackageAlreadyDownload()) { DispatchUpdateInfo(null); } else { string str = DownloadThePackage(); DispatchUpdateInfo(str); } } else { return; } }