C#调用rar 压缩多个文件并删除压缩的文件

public void RARsave(string rarPatch, string rarFiles,string patch,string rarName)
{
String the_rar;
RegistryKey the_Reg;
Object the_Obj;
String the_Info;
ProcessStartInfo the_StartInfo;
Process the_Process;
try
{
the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\\WinRAR.exe\\Shell\\Open\\Command");
the_Obj = the_Reg.GetValue("");
the_rar = the_Obj.ToString();
the_Reg.Close();
the_rar = the_rar.Substring(1, the_rar.Length - 7);
if (!Directory.Exists(patch))
Directory.CreateDirectory(patch);
//命令参数

//the_Info = " a c:\\test.rar a.txt -r"; //文件压缩

the_Info = string.Format(" a -df {0}\\{1} {2} -r", patch, rarName, rarFiles);// " a " + rarName + " " + patch;
the_StartInfo = new ProcessStartInfo();
the_StartInfo.FileName = the_rar;
the_StartInfo.Arguments = the_Info;
the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
//打包文件存放目录

the_StartInfo.WorkingDirectory = rarPatch;
the_Process = new Process();
the_Process.StartInfo = the_StartInfo;
the_Process.Start();
the_Process.WaitForExit();
the_Process.Close();
}
catch (Exception ex)
{
throw ex;
}
}