نکته های مفید سی شارپ

using System.Management;

public string GetCPUId()[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
{[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
string cpuInfo = String.Empty;[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
//create an instance of the Managemnet class with the[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
//Win32_Processor class[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
ManagementClass mgmt = new ManagementClass("Win32_Processor");[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
//create a ManagementObjectCollection to loop through[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
ManagementObjectCollection objCol = mgmt.GetInstances();[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
//start our loop for all processors found[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
foreach (ManagementObject obj in objCol)[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
{[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
if (cpuInfo == String.Empty)[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
{[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
// only return cpuInfo from first CPU[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
cpuInfo = obj.Properties["ProcessorId"].Value.ToString();[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
}[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
}[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
return cpuInfo;[color=#000000][font=Tahoma, Calibri, Verdana, Geneva, sans-serif][i][/i][/font][/color]
}

using System.IO; 
using System.Runtime.Serialization; 
using System.Runtime.Serialization.Formatters.Binary;  

public object DeSerializeObject(string filename) 
{ 
    object o; 
    Stream stream = File.Open(filename, FileMode.Open); 
    BinaryFormatter bFormatter = new BinaryFormatter(); 
    o = 
       (ObjectToSerialize)bFormatter.Deserialize(stream); 
    stream.Close(); 
    return o; 
}  

public double GetHDDFreeSpace(string drive) 
{ 
    //check to see if the user provided a drive letter 
    //if not default it to "C" 
    if (drive == "" || drive == null) 
    { 
        drive = "C"; 
    } 
    //create our ManagementObject, passing it the drive letter to the 
    //DevideID using WQL 
    ManagementObject disk = new ManagementObject("Win32_LogicalDisk.DeviceID=\"" + drive + ":\""); 
    //bind our management object 
    disk.Get(); 
    //return the free space amount 
    return Convert.ToDouble(disk["FreeSpace"]); 
}