Question

我在使用进程执行uninstallString时遇到问题，但在所有情况下都不起作用。我需要一个在任何情况下都能运行的通用程序。

我的一个想法是解析卸载字符串

代码：

int indexOfExe = uninstallString.ToLower().IndexOf(".exe") + 4;
string exeFile = uninstallString.Substring(0, indexOfExe).Trim();
string args = uninstallString.Substring(indexOfExe, uninstallString.Length - indexOfExe).Trim();

if (args.Length > 0)
{
    procStartInfo.FileName = exeFile;
    procStartInfo.Arguments = args;
}
else
{
    procStartInfo.FileName = exeFile;
    procStartInfo.Arguments = "";
}

procStartInfo.Verb = "runas";
procStartInfo.CreateNoWindow = true;
procStartInfo.UseShellExecute = false ;
System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.StartInfo = procStartInfo;
proc.Start();
proc.WaitForExit();

我的第二个想法是：

代码：

if (uninstallString.Contains("msiexec"))
{
    uninstallString = uninstallString.Replace("\"", "");
    uninstallString = RegistryHandler.getCommandInCommaAndArgumentsOutside(uninstallString);
}
else
{
    procStartInfo.FileName = "cmd";

    string[] words = uninstallString.Split("/".ToCharArray());

    if (uninstallString.StartsWith(@"""") && words.Count() == 1)
    {
        procStartInfo.FileName = uninstallString;
        procStartInfo.Arguments = "";
    }
    else
    {
        //procStartInfo.Arguments = "/c " + "\"" + uninstallString + "\"";
        if ((uninstallString.StartsWith(@"""") && words.Count() > 1))
        {
            procStartInfo.Arguments = "/c " + uninstallString;
        }
        else
        {
            procStartInfo.Arguments = "/c " + RegistryHandler.getCommandInCommaAndArgumentsOutsideByExe(uninstallString);
        }
    }
}

但它仍然不会涵盖所有情况。

所有案例的通用解决方案是什么？

Answer 1

从技术上讲，您的第二个想法应该适用（对于使用Windows Installer的所有程序）。但是，您需要获取正确的卸载字符串。我怀疑问题是你的卸载字符串不正确。

您应该能够通过查看以下内容查询注册表中的Uninstall String：

HKLM\Software\Microsoft\Windows\Currentversion\Uninstall\{NameOfApplication}\UninstallString

上面标有{NameOfApplication} 的部分应该包含可以卸载的所有程序的条目。有关详细信息，请参阅Uninstall Registry Key。

Answer 2

//i wrote this code, which is working in most of the cases :

//----------------------------------------------------------------------------------------------          

            if (uninstallString.Contains("msiexec"))
                {
                uninstallString = uninstallString.Replace("\"", "");
                uninstallString = RegistryHandler.getCommandInCommaAndArgumentsOutside(uninstallString);
                }
                else
                {
                  if (uninstallString.StartsWith(@""""))
                     {
                     int indexOfLastComma = uninstallString.IndexOf("\"", 1) + 1;
                     procStartInfo.FileName = uninstallString.Substring(0, indexOfLastComma);
                     procStartInfo.Arguments = uninstallString.Substrin(indexOfLastComma,uninstallString.Length - indexOfLastComma));

                     }
                     else
                     {
                      procStartInfo.FileName = "cmd.exe";
                      procStartInfo.Arguments = "/c " + RegistryHandler.getCommandInCommaAndArgumentsOutsideByExe(uninstallString); 
                      }     
}

//----------------------------------------------------------------------------------------------


          public static string getCommandInCommaAndArgumentsOutsideByExe(string command)
                 {
                   int ind = 0;
                   string[] prms = command.Split(' ');

                   ind = prms[0].Length; //command.IndexOf(".exe") + 4;

                   int exeLocationIndex = command.IndexOf(".exe") + 4;
                   string cmd = command.Substring(0, exeLocationIndex);
                   string arguments = command.Substring(command.IndexOf(".exe") + 4, command.Length - exeLocationIndex);

                   return "\"" + cmd + "\"" + arguments;
                       }

Answer 3

这是我的代码，使用与Roy相同的方式，也许更简单的垃圾：

  private string SwitchCondition(string uninstallstring)
    {
        if (uninstallstring.Substring(0, 1).Equals("\"") |
            uninstallstring.ToLower().Contains("msiexec") |
            uninstallstring.Contains("~"))
        {
            Debug.WriteLine(uninstallstring);
        }
        else if (uninstallstring.ToLower().IndexOf(".exe") > 0)
        {
            uninstallstring = "\"" + uninstallstring.Insert(uninstallstring.ToLower().IndexOf(".exe") + 4, "\"");
            Debug.WriteLine("Contains .exe" + uninstallstring);
        }
        else
        {
            uninstallstring = "\"" + uninstallstring + "\"";
            Debug.WriteLine("Case end " + uninstallstring);
        }

        return uninstallstring;
    }

使用C＃执行UninstallString

3 个答案: