process.cpp

最新visualC++编程200例书籍源码包括对数据库的操作

// process.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"
#include "windowsx.h"
#include "stdio.h"
#include <tlhelp32.h> 
#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];								// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];								// The title bar text
	HWND hwnd;
// Foward declarations of functions included in this code module:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);
void                listshow();
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	MSG msg;
	HACCEL hAccelTable;

	// Initialize global strings
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_PROCESS, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_PROCESS);

	// Main message loop:
	while (GetMessage(&msg, NULL, 0, 0)) 
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}

	return msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage is only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application will get 'well formed' small icons associated
//    with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX); 

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= (WNDPROC)WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(hInstance, (LPCTSTR)IDI_PROCESS);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= (LPCSTR)IDC_PROCESS;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

	return RegisterClassEx(&wcex);
}

//
//   FUNCTION: InitInstance(HANDLE, int)
//
//   PURPOSE: Saves instance handle and creates main window
//
//   COMMENTS:
//
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;
   
  // PROCESSWALK first,next;
  // CREATESNAPSHOT crsnap;
//   char tmp[255];
   hInst = hInstance; // Store instance handle in our global variable
   
   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }
// ShowWindow(hWnd, nCmdShow);
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);

   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
//  PURPOSE:  Processes messages for the main window.
//
//  WM_COMMAND	- process the application menu
//  WM_PAINT	- Paint the main window
//  WM_DESTROY	- post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   
   int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;
	TCHAR szHello[MAX_LOADSTRING];
	LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

	switch (message) 
	{
		case WM_COMMAND:
			wmId    = LOWORD(wParam); 
			wmEvent = HIWORD(wParam); 
			// Parse the menu selections:
			switch (wmId)
			{
				case IDM_ABOUT:
				   DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
				   break;
				case IDM_EXIT:
				   DestroyWindow(hWnd);
				   break;
				case WM_RBUTTONDOWN:
					::SetWindowText(::FindWindow(NULL,"FoxMail[春光]"),"aaaa");
					break;
				default:
				   return DefWindowProc(hWnd, message, wParam, lParam);
			}
			break;
		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			// TODO: Add any drawing code here...
			RECT rt;
			GetClientRect(hWnd, &rt);

 
//			DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER);
			EndPaint(hWnd, &ps);
			break;
		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}

// Mesage handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
HINSTANCE hsnap;
HANDLE hproc;
   	PROCESSENTRY32 proc;
char prot[255];
int a;

//phwnd=::GetDlgItem(hDlg,IDC_LIST2);
//   BOOL a=TRUE;
	switch (message)
	{
		case WM_INITDIALOG:
hwnd=::GetDlgItem(hDlg,IDC_LIST1);
 
listshow();

 return TRUE;

		case WM_COMMAND:
			if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
			{
				EndDialog(hDlg, LOWORD(wParam));
				::PostQuitMessage(0);
				return TRUE;
			}
			if(LOWORD(wParam==IDC_KILL))
			{
				
				a=ListBox_GetCurSel(hwnd);
                ListBox_GetText(hwnd,a,prot);
				if(a!=-1)
				if(::MessageBox(hDlg,prot,"是否终止这个进程",MB_YESNO|MB_ICONINFORMATION)==IDYES)
				{
					hsnap=(HINSTANCE)CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
                    ::Process32First(hsnap,&proc);
                    while(::Process32Next(hsnap,&proc))
					{ 
                    if(strcmp(prot,proc.szExeFile)==0)
                     break;
					}
                    hproc=::OpenProcess(PROCESS_ALL_ACCESS,0,proc.th32ProcessID);
                    ::TerminateProcess(hproc,1);
				}
	

			}
if(LOWORD(wParam==IDC_B))
{ listshow();
}
			break;
        case WM_DESTROY:
			EndDialog(hDlg, LOWORD(wParam));
			PostQuitMessage(0);
			break;
	}
    return FALSE;
}
void listshow()
{
ListBox_ResetContent(hwnd);

	PROCESSENTRY32 proc;
	HINSTANCE hsnap;

	hsnap=(HINSTANCE)CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
   ::Process32First(hsnap,&proc);
 ListBox_AddString(hwnd,proc.szExeFile);    
  
   while(::Process32Next(hsnap,&proc))
 { ListBox_AddString(hwnd,proc.szExeFile);    
    

   }
}