asp.Netマシンハードウェア情報(cpu周波数、ディスク空き容量、メモリ容量など)の取得

 
  
using System; 
  
using System.Data; 
  
using System.Configuration; 
  
using System.Web; 
  
using System.Web.Security; 
  
using System.Web.UI; 
  
using System.Web.UI.WebControls; 
  
using System.Web.UI.WebControls.WebParts; 
  
using System.Web.UI.HtmlControls; 
  
using Microsoft.Win32; 
  
using System.Text; 
  
using System.Runtime.InteropServices; 
  
using System.Management;//(    System.Management.dll         System.Management     ) 
  
namespace EC 
  
{ 
  
/// 
 
  
///                （cpu  、      、    ……） 
  
/// 
 
  
public class CpuInfoObject 
  
{ 
  
public CpuInfoObject() 
  
{ 
  
// 
  
// TODO:             
  
// 
  
} 
  
#region   CPU   
  
/************************************************** 
  
*     :GetCPUFrequency() 
  
*     :  CPU   
  
*    : 
  
*     : 
  
* Response.Write(EC.CpuInfoObject.GetCPUFrequency()); 
  
************************************************/ 
  
/// 
 
  
///   CPU   
  
/// 
 
  
///   cpu   
  
public static int GetCPUFrequency() 
  
{ 
  
RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0"); 
  
object obj = rk.GetValue("~MHz"); 
  
int CPUFrequency = (int)obj; 
  
return CPUFrequency; 
  
} 
  
#endregion 
  
#region   CPU   
  
/************************************************** 
  
*     :GetCPUName() 
  
*     :  CPU   
  
*    : 
  
*     : 
  
* Response.Write(EC.CpuInfoObject.GetCPUName()); 
  
************************************************/ 
  
/// 
 
  
///   CPU   
  
/// 
 
  
///     cpu   
  
public static string GetCPUName() 
  
{ 
  
RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0"); 
  
object obj = rk.GetValue("ProcessorNameString"); 
  
string CPUName = (string)obj; 
  
return CPUName.TrimStart(); 
  
} 
  
#endregion 
  
#region      
  
/************************************************** 
  
*     :GetFreeDiskSpace(string DiskName) 
  
*     :       
  
*    :DiskName:     D: E: 
  
*     : 
  
* Response.Write(EC.CpuInfoObject.GetFreeDiskSpace("D:")); 
  
************************************************/ 
  
/// 
 
  
///      
  
/// 
 
  
///     :D: E: 
  
///    
  
public static long GetFreeDiskSpace(string DiskName) 
  
{ 
  
ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"" + DiskName + "\""); 
  
disk.Get(); 
  
string totalByte = disk["FreeSpace"].ToString(); 
  
long freeDiskSpaceMb = Convert.ToInt64(totalByte) / 1024 / 1024; 
  
return freeDiskSpaceMb; 
  
} 
  
#endregion 
  
#region          
  
/************************************************** 
  
*     :GetOSName() 
  
*     :             
  
*    : 
  
*     : 
  
* Response.Write(EC.CpuInfoObject.GetOSName()); 
  
************************************************/ 
  
/// 
 
  
///          
  
/// 
 
  
///        
  
public static string GetOSName() 
  
{ 
  
string Rev = ""; 
  
System.OperatingSystem osInfo = System.Environment.OSVersion; 
  
switch(osInfo.Platform) 
  
{ 
  
//Platform is Windows 95, Windows 98,Windows 98 Second Edition, or Windows Me. 
  
case System.PlatformID.Win32Windows: 
  
switch(osInfo.Version.Major) 
  
{ 
  
case 0: 
  
Rev ="Windows 95"; 
  
break; 
  
case 10: 
  
if(osInfo.Version.Revision.ToString()=="2222A") 
  
Rev ="Windows 98 Second Edition"; 
  
else 
  
Rev ="Windows 98"; 
  
break; 
  
case 90: 
  
Rev="Windows Me"; 
  
break; 
  
} 
  
break; 
  
//Platform is Windows NT 3.51, Windows NT 4.0, Windows 2000,or Windows XP. 
  
case System.PlatformID.Win32NT: 
  
switch (osInfo.Version.Major) 
  
{ 
  
case 3: 
  
Rev = "Windows NT 3.51"; 
  
break; 
  
case 4: 
  
Rev = "Windows NT 4.0"; 
  
break; 
  
case 5: 
  
if (osInfo.Version.Minor == 0) 
  
Rev = "Windows 2000"; 
  
else if (osInfo.Version.Minor == 2) 
  
Rev = "Windows 2003"; 
  
else 
  
Rev = "Windows XP"; 
  
break; 
  
} 
  
break; 
  
} 
  
return Rev; 
  
} 
  
#endregion 
  
} 
  
}