结束进程

//头文件
#include <windows.h>

#define TA_FAILED 0
#define TA_SUCCESS_CLEAN 1
#define TA_SUCCESS_KILL 2
#define TA_SUCCESS_16 3

DWORD WINAPI TerminateApp(DWORD dwPID, DWORD dwTimeout);
DWORD WINAPI Terminate16App(DWORD dwPID, DWORD dwThread, WORD w16Task, DWORD dwTimeout);

//////////////////////////////////////////////////////////////////////////
//cpp源文件
#include <vdmdbg.h>
typedef struct
{
	DWORD dwID;
	DWORD dwThread;
}TERMINFO;

// 声明回调枚举函数.
BOOL CALLBACK TerminateAppEnum(HWND hwnd, LPARAM lParam);
BOOL CALLBACK Terminate16AppEnum(HWND hwnd, LPARAM lParam);

/*----------------------------------------------------------------
DWORD WINAPI TerminateApp(DWORD dwPID, DWORD dwTimeout)
功能: 关闭 32-位进程(或  Windows 95 下的 16-位进程)
参数:
	dwPID  要关闭之进程的进程 ID.
	dwTimeout  进程关闭前等待的毫秒时间.
返回值:
	TA_FAILED		 关闭失败.
	TA_SUCCESS_CLEAN  如果使用 WM_CLOSE 关闭了进程.
	TA_SUCCESS_KILL 如果使用 TerminateProcess() 关闭了进程.
	返回值的定义参见头文件.
----------------------------------------------------------------*/
DWORD WINAPI TerminateApp(DWORD dwPID, DWORD dwTimeout)
{
	HANDLE hProc;
	// 如果无法用 PROCESS_TERMINATE 权限打开进程，那么立即放弃。
	hProc = OpenProcess(SYNCHRONIZE|PROCESS_TERMINATE, FALSE,dwPID);
	if(hProc == NULL)
	{
		return TA_FAILED;
	}

	// TerminateAppEnum() 将 WM_CLOSE 消息发到所有其进程ID 与你所提供的进程ID 匹配的窗口.
	EnumWindows((WNDENUMPROC)TerminateAppEnum, (LPARAM) dwPID);

	// 等待处理，如果成功，OK。如果超时，则干掉它.
	DWORD dwRet;
	if(WaitForSingleObject(hProc, dwTimeout)!=WAIT_OBJECT_0)
		dwRet=(TerminateProcess(hProc,0)?TA_SUCCESS_KILL:TA_FAILED);
	else
		dwRet = TA_SUCCESS_CLEAN;
	CloseHandle(hProc);
	return dwRet;
}

/*----------------------------------------------------------------
DWORD WINAPI Terminate16App(DWORD dwPID, DWORD dwThread,WORD w16Task, DWORD dwTimeout)
功能:
	关闭 Win16 应用程序.
参数:
	dwPID  16-位程序运行其中的 NTVDM 进程 ID.
	dwThread 16-位程序中执行线程的线程 ID.
	w16Task  应用程序的 16-位任务句柄.
	dwTimeout  任务关闭前等待的毫秒时间.
返回值:
	如果成功, 返回 TA_SUCCESS_16
	如果不成功, 返回 TA_FAILED. 
	返回值的定义参见该函数的头文件.
	注意:
	可以通过 VDMEnumTaskWOW() 或 VDMEnumTaskWOWEx() 函数获得 Win16 和线程 ID.
----------------------------------------------------------------*/
DWORD WINAPI Terminate16App(DWORD dwPID, DWORD dwThread,WORD w16Task, DWORD dwTimeout)
{
	//必须通过外部链接调用函数，以便代码在所有Win32 平台上都兼容。
	BOOL (WINAPI *lpfVDMTerminateTaskWOW)(DWORD dwProcessId,WORD htask);
	HINSTANCE hInstLib;
	hInstLib = LoadLibraryA("VDMDBG.DLL");
	if(hInstLib == NULL)
		return TA_FAILED;

	// 获得函数过程地址.
	lpfVDMTerminateTaskWOW = (BOOL(WINAPI*)(DWORD, WORD))GetProcAddress(hInstLib, "VDMTerminateTaskWOW");
	if(lpfVDMTerminateTaskWOW == NULL)
	{
		FreeLibrary(hInstLib);
		return TA_FAILED;
	}

	// 向所有匹配进程 ID 和线程的窗口发送 WM_CLOSE 消息.
	TERMINFO info;
	info.dwID = dwPID;
	info.dwThread = dwThread;
	EnumWindows((WNDENUMPROC)Terminate16AppEnum, (LPARAM) &info);

	// 等待.
	Sleep(dwTimeout);

	// 然后终止.
	lpfVDMTerminateTaskWOW(dwPID, w16Task);
	FreeLibrary(hInstLib);
	return TA_SUCCESS_16;
}

BOOL CALLBACK TerminateAppEnum(HWND hwnd, LPARAM lParam)
{
	DWORD dwID;
	GetWindowThreadProcessId(hwnd, &dwID);
	if(dwID == (DWORD)lParam)
	{
		PostMessage(hwnd, WM_CLOSE, 0, 0);
	}
	return TRUE;
}

BOOL CALLBACK Terminate16AppEnum(HWND hwnd, LPARAM lParam)
{
	DWORD  dwID;
	DWORD  dwThread;
	TERMINFO *termInfo;
	termInfo = (TERMINFO *)lParam;
	dwThread = GetWindowThreadProcessId(hwnd, &dwID);
	if(dwID == termInfo->dwID && termInfo->dwThread == dwThread)
	{
		PostMessage(hwnd, WM_CLOSE, 0, 0);
	}
	return TRUE;
}