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

[解决办法]
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));

ea.grfAccessPermissions = SECTION_MAP_WRITE;
ea.grfAccessMode = GRANT_ACCESS;
ea.grfInheritance= NO_INHERITANCE;
ea.Trustee.TrusteeForm = TRUSTEE_IS_NAME;
ea.Trustee.TrusteeType = TRUSTEE_IS_USER;
ea.Trustee.ptstrName = "CURRENT_USER ";

dwRes = SetEntriesInAcl(1,&ea,pDacl,&pNewDacl);

if(ERROR_SUCCESS != dwRes)
{

if(pSD)
LocalFree(pSD);
if(pNewDacl)
LocalFree(pNewDacl);
}
dwRes = SetSecurityInfo

(hSection,SE_KERNEL_OBJECT,DACL_SECURITY_INFORMATION,NULL,NULL,pNewDacl,NULL);

if(ERROR_SUCCESS != dwRes)
{

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

}
//---------------------------------------
HANDLE OpenPhysicalMemory()
{
NTSTATUS status;
UNICODE_STRING physmemString;
OBJECT_ATTRIBUTES attributes;
ULONG PhyDirectory;

g_osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx (&g_osvi);

if (5 != g_osvi.dwMajorVersion)
return NULL;

switch(g_osvi.dwMinorVersion)
{
case 0:
PhyDirectory = 0x30000;
break; //2k
case 1:
PhyDirectory = 0x39000;
break; //xp
default:
return NULL;
}

RtlInitUnicodeString(&physmemString, L "\\Device\\PhysicalMemory ");

attributes.Length = sizeof(OBJECT_ATTRIBUTES);
attributes.RootDirectory = NULL;
attributes.ObjectName = &physmemString;
attributes.Attributes = 0;
attributes.SecurityDescriptor = NULL;
attributes.SecurityQualityOfService = NULL;

status = ZwOpenSection(&g_hMPM, SECTION_MAP_READ|SECTION_MAP_WRITE, &attributes);

if(status == STATUS_ACCESS_DENIED)
{
status = ZwOpenSection(&g_hMPM, READ_CONTROL|WRITE_DAC, &attributes);
SetPhyscialMemorySectionCanBeWrited(g_hMPM);
CloseHandle(g_hMPM);
status = ZwOpenSection(&g_hMPM, SECTION_MAP_READ|SECTION_MAP_WRITE, &attributes);
}

if(!NT_SUCCESS(status))
return NULL;

g_pMapPhysicalMemory = MapViewOfFile(g_hMPM, FILE_MAP_READ|FILE_MAP_WRITE, 0, PhyDirectory,

0x1000);

if( g_pMapPhysicalMemory == NULL )
return NULL;

return g_hMPM;
}