C#擷取記憶體資訊

 1   /// <summary>
 2 /// 記憶體
 3 /// </summary>
 4     public class VAV_MDDFM_MEM
 5     {
 6         //定義記憶體的資訊結構
 7         [StructLayout(LayoutKind.Sequential)]
 8         public struct MEMORY_INFO
 9         {
10             public uint dwLength;
11             public uint dwMemoryLoad;
12             public uint dwTotalPhys;
13             public uint dwAvailPhys;
14             public uint dwTotalPageFile;
15             public uint dwAvailPageFile;
16             public uint dwTotalVirtual;
17             public uint dwAvailVirtual;
18         }
19         [DllImport("kernel32")]
20         private static extern void GetWindowsDirectory(StringBuilder WinDir, int count);
21         [DllImport("kernel32")]
22         private static extern void GetSystemDirectory(StringBuilder SysDir, int count);
23         [DllImport("kernel32")]
24         private static extern void GlobalMemoryStatus(ref MEMORY_INFO meminfo);
25 
26         /// <summary>
27 /// 列印記憶體資訊
28 /// </summary>
29         public static void PrintMemInfo()
30         {
31             Console.WriteLine(GetMemInfo());
32         }
33 
34         /// <summary>
35 /// 擷取記憶體資訊
36 /// </summary>
37 /// <returns></returns>
38         public static string GetMemInfo()
39         {
40             //調用GlobalMemoryStatus函數擷取記憶體的相關資訊
41             MEMORY_INFO MemInfo = new MEMORY_INFO();
42             GlobalMemoryStatus(ref MemInfo);
43 
44             StringBuilder sb = new StringBuilder();
45 
46             //*%的記憶體正在使用
47             sb.Append(MemInfo.dwMemoryLoad.ToString() + "% of the memory is being used " + "\r\n");
48             //總共的實體記憶體
49             sb.Append("Physical memory total :" + Utility.ConvertBytes(MemInfo.dwTotalPhys.ToString(), 3) + "GB" + "\r\n");
50             //可使用的實體記憶體
51             sb.Append("Use of physical memory :" + Utility.ConvertBytes(MemInfo.dwAvailPhys.ToString(), 3) + "GB" + "\r\n");
52             //分頁檔總大小
53             sb.Append("Total size of the swap file" + Utility.ConvertBytes(MemInfo.dwTotalPageFile.ToString(), 3) + "GB" + "\r\n");
54             //尚可分頁檔大小為
55             sb.Append(" Can still swap file size :" + Utility.ConvertBytes(MemInfo.dwAvailPageFile.ToString(), 3) + "GB" + "\r\n");
56             //總虛擬記憶體
57             sb.Append("The Total virtual memory :" + Utility.ConvertBytes(MemInfo.dwTotalVirtual.ToString(), 3) + "GB" + "\r\n");
58             //未用虛擬記憶體有
59             sb.Append("Unused virtual memory :" + Utility.ConvertBytes(MemInfo.dwAvailVirtual.ToString(), 3) + "GB" + "\r\n");
60             // ConvertBytes(totMem, 3) + " GB"
61             return sb.ToString();
62         }
63     }

 

 1  public class Utility
 2     {
 3         public static decimal ConvertBytes(string b, int iteration)
 4         {
 5             long iter = 1;
 6             for (int i = 0; i < iteration; i++)
 7                 iter *= 1024;
 8             return Math.Round((Convert.ToDecimal(b)) / Convert.ToDecimal(iter), 2, MidpointRounding.AwayFromZero);
 9         }
10     }