C# UnInstall Application by name.

代码

public   void  UninstallGenWFM()
        {
             string  strReturnMsg;
             string  productGuid;
             string  subKey;
             string  displayName;
             string  strMajVersion;
             string  strGenBuildNum;
             string  strLocalInsFolder;
             string  uninstallCmd;
             string  strUnistallCmdLine;
            strUnistallCmdLine  =  uninstallCmd  =  strLocalInsFolder  =  strMajVersion  =  displayName  =  subKey  =  productGuid  =  strReturnMsg  =   string .Empty;
　　　　　　　　

　　　　　　　　public const string STRBIT32 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall";

　　　　　　　　public const string STRBIT64 = "SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall";

             if  (rkLocalMachine  !=   null )
            {

                rkUninstalls  =  rkLocalMachine.OpenSubKey(STRBIT32); // Uninstall Gen build from 32bit WinOS.

                uninstallKeys  =  rkUninstalls.GetSubKeyNames();      // Get all install keys.

                 foreach  ( string  uninstallKey  in  uninstallKeys)
                {
                     if  (uninstallKey.Length  >   14 )
                    {
                         string  installShield  =  uninstallKey.Substring( 0 ,  14 );
                         if  (installShield  ==   " InstallShield_ " )     // If it is a shield key.
                        {
                             productGuid  =  uninstallKey.Substring( 14 );  // Get the pid.
                             subKey  =  strKeyCurrent  +   " \\ "   +  uninstallKey;
                            RegistryKey rkUninstallKey  =  rkLocalMachine.OpenSubKey(subKey); // Open subkey list in regist.
                             if  (rkUninstallKey  !=   null )
                            {
                                 // Geneva Workflow Manager for ACA
                                 displayName  =  (String)rkUninstallKey.GetValue( " DisplayName " , String.Empty);
                                  if  (displayName.Length  >=   25   &&  displayName.Substring( 0 ,  31 )  ==   " Geneva Workflow Manager for ACA " )
                                 {
                                      string  displayVersion  =  (String)rkUninstallKey.GetValue( " DisplayVersion " , String.Empty);
                                     strReturnMsg  =   " Found installed product:  "   +  displayName  +   " , Version:  "   +  displayVersion  +   " + " ;
                                      //  Write to log file.
                                     oLOG.WRITELOG(strReturnMsg);

                                     strMajVersion  =   this .strGenVersion.Substring( 0 ,  5 );
                                      if  (displayVersion  !=  strMajVersion)
                                     {
                                         uninstallCommand  =  (String)rkUninstallKey.GetValue( " UninstallString " , String.Empty);
                                         strReturnMsg  =   " +++++Prepare to uninstall this build !+ " ;
                                          //  Write to log file.
                                         oLOG.WRITELOG(strReturnMsg);
                                     }
                                 }
                            }
                        }
                    }
                }
                 if  (uninstallCommand  !=   string .Empty)
                {
                     try
                    {
                        strGenBuildNum  =   this .strGenVersion.Substring( 6 ,  4 );  //  Get the Geneva application build number.
                        strGenVersion  =  strGenVersion.Replace( " . " ,  " _ " );
                         string  copyLocalFolder  =   " copyLocalFolder " ;
                         string  uninstallLogFile  =  Path.Combine(copyLocalFolder,  " uninstall_ "   +   this .strGenVersion  +   " .txt " );
                         int  iFindCommand  =  uninstallCommand.IndexOf( " -runfromtemp " );
                        uninstallCmd  =  uninstallCommand.Substring( 0 , iFindCommand  -   1 );
                        strUnistallCmdLine  =  uninstallCommand.Substring(iFindCommand);
                        strUnistallCmdLine  =  ( "  /uninst /verbose\ ""  + uninstallLogFile);
                         string  issfile  =  Path.Combine(copyLocalFolder,  " uninstall.iss " );

                        Process pUninstall  =   new  Process();
                        pUninstall.StartInfo.FileName  =  uninstallCmd;
                        pUninstall.StartInfo.Arguments  =  strUnistallCmdLine;

                        EventLog.WriteEntry( " A1 " , uninstallCmd);
                        EventLog.WriteEntry( " A2 " , strUnistallCmdLine);
                        pUninstall.Start();
                        pUninstall.WaitForExit();
                    }
                     catch  (Exception xe)
                    {
                        strReturnMsg  =   "  Has an Error ! "   +  xe.Message  +   " + " ;
                         //  Write to log file.
                        oLOG.WRITELOG(strReturnMsg);
                    }
                    
                }
                 else  {
                    strReturnMsg  =   "  No Geneva Application be installed ! + " ;
                     //  Write to log file.
                    oLOG.WRITELOG(strReturnMsg);
                }
                
            }
             else
            {
                strReturnMsg  =   " Can not get the regedit message from server! + " ;
                 //  Write to log file.
                oLOG.WRITELOG(strReturnMsg);
            }

            Console.WriteLine(strReturnMsg);
        }