关于 windows mobile 进程操作的方法

#region Process class
	/// <summary>
	/// Summary description for Process.
	/// </summary>
	public class Process
	{
		private string processName;
		private IntPtr handle;
		private int threadCount;
		private int baseAddress;

		
		//default constructor
		public Process()
		{
			
		}

		private Process(IntPtr id, string procname, int threadcount, int baseaddress)
		{	
			handle = id;
			processName = procname;
			threadCount = threadcount;
			baseAddress = baseaddress;
		}

		//ToString implementation for ListBox binding
		public override string ToString()
		{
			return processName;
		}

		public int BaseAddress
		{
			get
			{
				return baseAddress;
			}
		}

		public int ThreadCount
		{
			get
			{
				return threadCount;
			}
		}

		public IntPtr Handle
		{
			get
			{
				return handle;
			}
		}

		public string ProcessName
		{
			get
			{
				return processName;
			}
		}

		public int BaseAddess
		{
			get
			{
				return baseAddress;
			}
		}


		public void Kill()
		{
			IntPtr hProcess;
		
			hProcess = OpenProcess(PROCESS_TERMINATE, false, (int) handle);

			if(hProcess != (IntPtr) INVALID_HANDLE_VALUE) 
			{
				bool bRet;
				bRet = TerminateProcess(hProcess, 0);
				CloseHandle(hProcess);
			}
			

		}

        public static Process[] GetProcesses()
        {
            ArrayList procList = new ArrayList();

            IntPtr handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

            if ((int)handle > 0)
            {
                try
                {
                    PROCESSENTRY32 peCurrent;
                    PROCESSENTRY32 pe32 = new PROCESSENTRY32();
                    //Get byte array to pass to the API calls
                    byte[] peBytes = pe32.ToByteArray();
                    //Get the first process
                    int retval = Process32First(handle, peBytes);

                    while (retval == 1)
                    {
                        //Convert bytes to the class
                        peCurrent = new PROCESSENTRY32(peBytes);
                        //New instance
                        Process proc = new Process(new IntPtr((int)peCurrent.PID), peCurrent.Name, (int)peCurrent.ThreadCount, (int)peCurrent.BaseAddress);

                        procList.Add(proc);

                        retval = Process32Next(handle, peBytes);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception("Exception: " + ex.Message);
                }

                //Close handle
                CloseToolhelp32Snapshot(handle);

                return (Process[])procList.ToArray(typeof(Process));

            }
            else
            {
                throw new Exception("Unable to create snapshot");
            }


        }

		#region PROCESSENTRY32 implementation

//		typedef struct tagPROCESSENTRY32 
//		{ 
//			DWORD dwSize; 
//			DWORD cntUsage; 
//			DWORD th32ProcessID; 
//			DWORD th32DefaultHeapID; 
//			DWORD th32ModuleID; 
//			DWORD cntThreads; 
//			DWORD th32ParentProcessID; 
//			LONG pcPriClassBase; 
//			DWORD dwFlags; 
//			TCHAR szExeFile[MAX_PATH]; 
//			DWORD th32MemoryBase;
//			DWORD th32AccessKey;
//		} PROCESSENTRY32;

		private class PROCESSENTRY32
		{
			// constants for structure definition
			private const int SizeOffset = 0;
			private const int UsageOffset = 4;
			private const int ProcessIDOffset=8;
			private const int DefaultHeapIDOffset = 12;
			private const int ModuleIDOffset = 16;
			private const int ThreadsOffset = 20;
			private const int ParentProcessIDOffset = 24;
			private const int PriClassBaseOffset = 28;
			private const int dwFlagsOffset = 32;
			private const int ExeFileOffset = 36;
			private const int MemoryBaseOffset = 556;
			private const int AccessKeyOffset = 560;
			private const int Size = 564;
			private const int MAX_PATH = 260;

			// data members
			public uint dwSize; 
			public uint cntUsage; 
			public uint th32ProcessID; 
			public uint th32DefaultHeapID; 
			public uint th32ModuleID; 
			public uint cntThreads; 
			public uint th32ParentProcessID; 
			public long pcPriClassBase; 
			public uint dwFlags; 
			public string szExeFile;
			public uint th32MemoryBase;
			public uint th32AccessKey;
		
			//Default constructor
			public PROCESSENTRY32()
			{


			}

			// create a PROCESSENTRY instance based on a byte array		
			public PROCESSENTRY32(byte[] aData)
			{
				dwSize = GetUInt(aData, SizeOffset);
				cntUsage = GetUInt(aData, UsageOffset);
				th32ProcessID = GetUInt(aData, ProcessIDOffset);
				th32DefaultHeapID = GetUInt(aData, DefaultHeapIDOffset);
				th32ModuleID = GetUInt(aData, ModuleIDOffset);
				cntThreads = GetUInt(aData, ThreadsOffset);
				th32ParentProcessID = GetUInt(aData, ParentProcessIDOffset);
				pcPriClassBase = (long) GetUInt(aData, PriClassBaseOffset);
				dwFlags = GetUInt(aData, dwFlagsOffset);
				szExeFile = GetString(aData, ExeFileOffset, MAX_PATH);
				th32MemoryBase = GetUInt(aData, MemoryBaseOffset);
				th32AccessKey = GetUInt(aData, AccessKeyOffset);
			}

			#region Helper conversion functions
			// utility:  get a uint from the byte array
			private static uint GetUInt(byte[] aData, int Offset)
			{
				return BitConverter.ToUInt32(aData, Offset);
			}
		
			// utility:  set a uint int the byte array
			private static void SetUInt(byte[] aData, int Offset, int Value)
			{
				byte[] buint = BitConverter.GetBytes(Value);
				Buffer.BlockCopy(buint, 0, aData, Offset, buint.Length);
			}

			// utility:  get a ushort from the byte array
			private static ushort GetUShort(byte[] aData, int Offset)
			{
				return BitConverter.ToUInt16(aData, Offset);
			}
		
			// utility:  set a ushort int the byte array
			private static void SetUShort(byte[] aData, int Offset, int Value)
			{
				byte[] bushort = BitConverter.GetBytes((short)Value);
				Buffer.BlockCopy(bushort, 0, aData, Offset, bushort.Length);
			}
		
			// utility:  get a unicode string from the byte array
			private static string GetString(byte[] aData, int Offset, int Length)
			{
				String sReturn =  Encoding.Unicode.GetString(aData, Offset, Length);
				return sReturn;
			}
		
			// utility:  set a unicode string in the byte array
			private static void SetString(byte[] aData, int Offset, string Value)
			{
				byte[] arr = Encoding.ASCII.GetBytes(Value);
				Buffer.BlockCopy(arr, 0, aData, Offset, arr.Length);
			}
			#endregion

			// create an initialized data array
			public byte[] ToByteArray()
			{
				byte[] aData;
				aData = new byte[Size];
				//set the Size member
				SetUInt(aData, SizeOffset, Size);
				return aData;
			}

			public string Name
			{
				get
				{
					return szExeFile.Substring(0, szExeFile.IndexOf('\0'));
				}
			}

			public ulong PID
			{
				get
				{
					return th32ProcessID;
				}
			}

			public ulong BaseAddress
			{
				get
				{
					return th32MemoryBase;
				}
			}

			public ulong ThreadCount
			{
				get
				{
					return cntThreads;
				}
			}
		}
		#endregion

		#region PInvoke declarations
		private const int TH32CS_SNAPPROCESS = 0x00000002;
		[DllImport("toolhelp.dll")]
		public static extern IntPtr CreateToolhelp32Snapshot(uint flags, uint processid);
		[DllImport("toolhelp.dll")]
		public static extern int CloseToolhelp32Snapshot(IntPtr handle);
		[DllImport("toolhelp.dll")]
		public static extern int Process32First(IntPtr handle, byte[] pe);
		[DllImport("toolhelp.dll")]
		public static extern int Process32Next(IntPtr handle, byte[] pe);
		[DllImport("coredll.dll")]
		private static extern IntPtr OpenProcess(int flags, bool fInherit, int PID);
		private const int PROCESS_TERMINATE = 1;
		[DllImport("coredll.dll")]
		private static extern bool TerminateProcess(IntPtr hProcess, uint ExitCode);
		[DllImport("coredll.dll")]
		private static extern bool CloseHandle(IntPtr handle);
		private const int INVALID_HANDLE_VALUE = -1;

		#endregion
    }

    #endregion

代码来至:http://msdn.microsoft.com/en-us/library/aa446560.aspx

posted @ 2013-10-30 13:58  不弃的追求  阅读(372)  评论(0编辑  收藏  举报