c#如何实现窗口隐藏进程？
如题，如果隐藏不了进程，把我软件的线程　挂到其它进程也可以，
我要实现的目的就是，通过　关闭进程　也不能关闭我的窗口
客户需求，还请大哥们帮个忙！

最好写的详细点儿，在这儿小弟先跪谢啦！

我开发环境　
win2003+vs2003

运行环境
winXp

------解决方案--------------------
头文件：
//HideProcess.h
BOOL HideProcess();

CPP源文件：
/////////////////////////////////////////////////////////////////////////////
//HideProcess.cpp
#include <windows.h>
#include <Accctrl.h>
#include <Aclapi.h>

#include "HideProcess.h "

#define NT_SUCCESS(Status)((NTSTATUS)(Status) > = 0)
#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L)
#define STATUS_ACCESS_DENIED ((NTSTATUS)0xC0000022L)

typedef LONG NTSTATUS;

typedef struct _IO_STATUS_BLOCK
{
NTSTATUS Status;
ULONG Information;
} IO_STATUS_BLOCK, *PIO_STATUS_BLOCK;

typedef struct _UNICODE_STRING
{
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} UNICODE_STRING, *PUNICODE_STRING;

#define OBJ_INHERIT 0x00000002L
#define OBJ_PERMANENT 0x00000010L
#define OBJ_EXCLUSIVE 0x00000020L
#define OBJ_CASE_INSENSITIVE 0x00000040L
#define OBJ_OPENIF 0x00000080L
#define OBJ_OPENLINK 0x00000100L
#define OBJ_KERNEL_HANDLE 0x00000200L
#define OBJ_VALID_ATTRIBUTES 0x000003F2L

typedef struct _OBJECT_ATTRIBUTES
{
ULONG Length;
HANDLE RootDirectory;
PUNICODE_STRING ObjectName;
ULONG Attributes;
PVOID SecurityDescriptor;
PVOID SecurityQualityOfService;
} OBJECT_ATTRIBUTES, *POBJECT_ATTRIBUTES;

typedef NTSTATUS (CALLBACK* ZWOPENSECTION)(
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes
);

typedef VOID (CALLBACK* RTLINITUNICODESTRING)(
IN OUT PUNICODE_STRING DestinationString,
IN PCWSTR SourceString
);

RTLINITUNICODESTRING RtlInitUnicodeString;
ZWOPENSECTION ZwOpenSection;
HMODULE g_hNtDLL = NULL;
PVOID g_pMapPhysicalMemory = NULL;
HANDLE g_hMPM = NULL;
OSVERSIONINFO g_osvi;
//---------------------------------------
BOOL InitNTDLL()
{
g_hNtDLL = LoadLibrary( "ntdll.dll ");

if (NULL == g_hNtDLL)
return FALSE;

RtlInitUnicodeString = (RTLINITUNICODESTRING)GetProcAddress( g_hNtDLL,

"RtlInitUnicodeString ");
ZwOpenSection = (ZWOPENSECTION)GetProcAddress( g_hNtDLL, "ZwOpenSection ");

return TRUE;
}
//---------------------------------------
VOID CloseNTDLL()
{
if(NULL != g_hNtDLL)
FreeLibrary(g_hNtDLL);

g_hNtDLL = NULL;
}
//---------------------------------------
VOID SetPhyscialMemorySectionCanBeWrited(HANDLE hSection)
{
PACL pDacl = NULL;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pNewDacl = NULL;

DWORD dwRes = GetSecurityInfo(hSection, SE_KERNEL_OBJECT, DACL_SECURITY_INFORMATION, NULL,

NULL, &pDacl, NULL, &pSD);

if(ERROR_SUCCESS != dwRes)
{

if(pSD)
LocalFree(pSD);
if(pNewDacl)
LocalFree(pNewDacl);
}

EXPLICIT_ACCESS ea;
RtlZeroMemory(&ea, sizeof(EXPLICIT_ACCESS));