使用Linq获取打印进程最大值

UAS-MES/PublicMethod/BaseUtil.cs

@@ -7,6 +7,7 @@ using System.Data;
 using System.Diagnostics;
 using System.Drawing;
 using System.IO;
+using System.Linq;
 using System.Net;
 using System.Net.Sockets;
 using System.Reflection;
@@ -965,31 +966,14 @@ namespace UAS_MES.PublicMethod
         public static void WriteLbl(ApplicationClass lbl)
         {
             Process[] processes = System.Diagnostics.Process.GetProcessesByName("lppa");
-            List<int> PidList = new List<int>();
-            List<System.DateTime> Pstarttime = new List<System.DateTime>();
+            Dictionary<string, int> ProInf = new Dictionary<string, int>();
             int PID = 0;
             for (int i = 0; i < processes.Length; i++)
             {
-                PidList.Add(processes[i].Id);
-                Pstarttime.Add(processes[i].StartTime);
+                ProInf.Add(processes[i].StartTime.ToString(), processes[i].Id);
             }
-            System.DateTime Temp = Pstarttime[0];
-            if (Pstarttime.ToArray().Length > 0)
-            {
-                PID = PidList[0];
-            }
-            for (int i = 0; i < PidList.ToArray().Length; i++)
-            {
-                if (Temp < Pstarttime[i])
-                {
-                    PID = PidList[i];
-                }
-                else
-                {
-                    Temp = Pstarttime[i];
-                }
-            }
-            String str = SystemInf.ProcessesID + "|" + PID;
+            var temp = ProInf.Keys.Max();
+            String str = SystemInf.ProcessesID + "|" + ProInf[temp];
             string lblpath = Environment.GetEnvironmentVariable("windir").Substring(0, 1) + @":\Log\cacheInfo";
             FileStream fs = new FileStream(lblpath + @"\" + "lblprocess" + ".txt", FileMode.Append, FileAccess.Write);
             StreamWriter sw = new StreamWriter(fs);