c#.net实现Smartphone,PocketPC进程启动

using System;
using System.Runtime.InteropServices;
using System.Text;

namespace RDP
{
/// <summary>
/// Utility class for launch programs and files.
/// </summary>
public class ShellExecute
{
public static void Start(string fileName, string parameters)
{
int nSize;
SHELLEXECUTEEX see;
IntPtr pFile;
IntPtr pParams;

see = new SHELLEXECUTEEX();

nSize = fileName.Length * 2 + 2;
pFile = localAlloc(MemoryAllocFlags.LPtr, nSize);
Marshal.Copy(Encoding.Unicode.GetBytes(fileName), 0, pFile, nSize - 2);

nSize = parameters.Length * 2 + 2;
pParams = localAlloc(MemoryAllocFlags.LPtr, nSize);
Marshal.Copy(Encoding.Unicode.GetBytes(parameters), 0, pParams, nSize - 2);

see.lpFile = pFile;
see.lpParameters = pParams;

ShellExecuteEx(see);

LocalFree(pFile);
LocalFree(pParams);
//return see.hProcess;
}

public static void Start(string fileName)
{
Start(fileName, "");
}

private static IntPtr localAlloc(MemoryAllocFlags uFlags, int uBytes)
{
const int GMEM_FIXED = 0x0000;
const int LMEM_ZEROINIT  = 0x0040;
const int LPTR = (GMEM_FIXED | LMEM_ZEROINIT);

IntPtr ptr = LocalAlloc(LPTR, (uint)uBytes);
if (ptr == IntPtr.Zero)
throw new Exception("Out of memory!");
return ptr;
}

private enum MemoryAllocFlags : int
{
Fixed   = 0x00,
ZeroInit = 0x40,
LPtr     = ZeroInit | Fixed
}

#region APIs
[DllImport("coredll.dll")]
private static extern IntPtr LocalAlloc(uint uFlags, uint Bytes);

[DllImport("coredll")]
private static extern IntPtr LocalFree(IntPtr hMem);

[DllImport("coredll")]
private extern static int ShellExecuteEx( SHELLEXECUTEEX ex );

private class SHELLEXECUTEEX
{
public UInt32 cbSize  = 60;
public UInt32 fMask   = 0;
public IntPtr hwnd   = IntPtr.Zero;
public IntPtr lpVerb  = IntPtr.Zero;
public IntPtr lpFile  = IntPtr.Zero;
public IntPtr lpParameters = IntPtr.Zero;
public IntPtr lpDirectory = IntPtr.Zero;
public int nShow   = 0;
public IntPtr hInstApp  = IntPtr.Zero;
public IntPtr lpIDList  = IntPtr.Zero;
public IntPtr lpClass  = IntPtr.Zero;
public IntPtr hkeyClass  = IntPtr.Zero;
public UInt32 dwHotKey  = 0;
public IntPtr hIcon   = IntPtr.Zero;
public IntPtr hProcess  = IntPtr.Zero;
}
#endregion
}
}