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| //демонстрационная программа создания и уничтожения процессов
//тип приложения Win32, GUI
#include <windows.h>
#include <stdio.h>
#include "proc.h"
LRESULT CALLBACK ProcessesWndProc(HWND,UINT,UINT,LONG);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
LPSTR lpszCmdParam, int nCmdShow )
{
HWND hWnd;
WNDCLASS WndClass;
MSG Msg;
char szClassName[]="Processes";
/*Регистрация класса окна*/
WndClass.style = CS_HREDRAW|CS_VREDRAW;
WndClass.lpfnWndProc = ProcessesWndProc;
WndClass.cbClsExtra = 0;
WndClass.cbWndExtra = 0;
WndClass.hInstance=hInstance;
WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
WndClass.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
WndClass.lpszMenuName = "ProcessesMenu";
WndClass.lpszClassName = szClassName;
if(!RegisterClass(&WndClass))
{
MessageBox(NULL, "Ошибка регистрации класса", "Ошибка!", MB_OK);
return 0;
}
hWnd = CreateWindow(szClassName,"Program No 1",
WS_OVERLAPPEDWINDOW|WS_VSCROLL|WS_HSCROLL,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL,
hInstance, NULL);
if(!hWnd)
{
MessageBox(NULL, "Ошибка создания окна", "Ошибка!",MB_OK);
return 0;
}
//Отображение окна
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
//Начало цикла обработки сообщений
while(GetMessage(&Msg, NULL,0,0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK ProcessesWndProc(HWND hWnd, UINT Message,
UINT wParam,LONG lParam)
{
const Max = 10;
STARTUPINFO StartupInfo;
static int ProcessNumber=0;
static int ProcessInfo;
static PROCESS_INFORMATION ProcessInformation[Max];
static char cMyMessage[80];
static HMENU hSubMenu;
UINT uExitCode;
switch(Message)
{
case WM_CREATE:
hSubMenu=GetSubMenu(GetMenu(hWnd),0);
return 0;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDM_New_Process:
if(ProcessNumber<Max)
{
StartupInfo.cb=sizeof(STARTUPINFO);
StartupInfo.lpReserved=NULL;
StartupInfo.lpDesktop=NULL;
StartupInfo.lpTitle=NULL;
StartupInfo.dwFlags=STARTF_USESHOWWINDOW;
StartupInfo.wShowWindow=SW_SHOWNORMAL;
StartupInfo.cbReserved2=0;
StartupInfo.lpReserved=NULL;
if(CreateProcess(NULL,"Notepad.exe",NULL,NULL,
FALSE,0,NULL,NULL, &StartupInfo,
&(ProcessInformation[ProcessNumber])))
{
ProcessNumber++;
wsprintf(cMyMessage,
"hProcess is %x,\n hThread is %x,\n dwProcessId is %x,\n \
dwThreadId is %x",
ProcessInformation[ProcessNumber-1].hProcess,
ProcessInformation[ProcessNumber-1].hThread,
ProcessInformation[ProcessNumber-1].dwProcessId,
ProcessInformation[ProcessNumber-1].dwThreadId);
MessageBox(hWnd,cMyMessage,"Процесс создан!",MB_OK);
EnableMenuItem(hSubMenu,IDM_Kill_Process,
MF_BYCOMMAND|MF_ENABLED);
}
else
MessageBox(hWnd,"Ошибка создания процесса", "Информация",
MB_OK);
}
else
{
MessageBox(hWnd,"Слишком много созданных процессов...",
"Внимание!", MB_OK);
}
break;
case IDM_Kill_Process:
if(ProcessNumber>0)
{
if(TerminateProcess(ProcessInformation[ProcessNumber-1].hProcess,0))
{
ProcessNumber--;
if(!ProcessNumber)
EnableMenuItem(hSubMenu,IDM_Kill_Process,
MF_BYCOMMAND|MF_GRAYED);
}
else
MessageBox(hWnd,"Ошибка завершения процесса",
"Информация", MB_OK);
}
else
MessageBox(hWnd,"Процессов больше нет",
"Информация", MB_OK);
break;
case IDM_Exit:
SendMessage(hWnd, WM_CLOSE,0,0);
break;
}
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd,Message,wParam,lParam);
}
//файл описаний proc.h
#define IDM_EXIT 103
#define IDM_Kill_Process 102
#define IDM_New_Process 101
//файл ресурсов crprocess.rc
ProcessesMenu MENU
{
POPUP "&Processes"
{
MENUITEM "&New process", 101
MENUITEM "&Kill process", 102
MENUITEM SEPARATOR
MENUITEM "E&xit", 103
}
} |
(
