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

#include "stdafx.h"
#include "ProgN.h"

#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];					// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];			// the main window class name

// Forward declarations of functions included in this code module:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK	About(HWND, UINT, WPARAM, LPARAM);

WCHAR wName[]			=L"Processes";
WCHAR cName[]			=L"Windowsclass";
WCHAR lpszAppName[]		=L"Application";
HINSTANCE hInstance;

HWND hwnd;
HMENU hMenu;
HDC hDC;

static HWND hList = NULL;
static HWND hList2 = NULL;



int APIENTRY _tWinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR    lpCmdLine,
                     int       nCmdShow)
{
	UNREFERENCED_PARAMETER(hPrevInstance);
	UNREFERENCED_PARAMETER(lpCmdLine);

 	// TODO: Place code here.
	MSG msg;
	HACCEL hAccelTable;

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

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

	hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_PROGN));

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

	return (int) msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage are 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;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(hInstance, MAKEINTRESOURCE(IDI_PROGN));
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= MAKEINTRESOURCE(IDC_PROGN);
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

	return RegisterClassEx(&wcex);
}

//
//   FUNCTION: InitInstance(HINSTANCE, 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;

   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);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  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;

	switch (message)
	{

	case WM_COMMAND:
		wmId    = LOWORD(wParam);
		wmEvent = HIWORD(wParam);
		switch( LOWORD( wParam ) )
				{
					case ID_EXECUTE:
						{
							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.lpReserved2	=NULL;

								if(CreateProcess(L"NOTEPAD.EXE", 
													L"D:\\Documents and Settings\\Admin\\Мои документы\\Visual Studio 2005\\Projects\\KillCopy.Projects\\Lesson 1\\README.txt",
													NULL, NULL, FALSE,
													0, NULL, NULL, 
													&StartupInfo, 
													&(ProcessInformation[ProcessNumber])))
								{
									ProcessNumber++;
									wsprintf(wMyMessage, 
										L"hProcess is %x\nhThread is %x\ndwProcessId is %x\ndwThreadId is %x.", 
										ProcessInformation[ProcessNumber-1].hProcess,
										ProcessInformation[ProcessNumber-1].hThread,
										ProcessInformation[ProcessNumber-1].dwProcessId,
										ProcessInformation[ProcessNumber-1].dwThreadId);
									MessageBox(hwnd, wMyMessage, L"Process is created", MB_OK);
									EnableMenuItem(hMenu, ID_OTHER_DESTROYPROCESS, MF_BYCOMMAND | MF_ENABLED);
								}
								else
									MessageBox(hwnd, L"Cannot create process", L"Process creation", MB_OK);
							}
							else
								MessageBox(hwnd, L"Too many created processes...", L"ProcessCreation", MB_OK);
						}
                        break;
					case ID_TEST_EXIT:
						{
							PostQuitMessage(0);
							return 0;
						}
						break;
					case ID_OTHER_DESTROYPROCESS:
						{
							if(TerminateProcess(ProcessInformation[ProcessNumber-1].hProcess, 0))
							{
								ProcessNumber--;
								if(!ProcessNumber)
								{
									EnableMenuItem(hMenu, ID_OTHER_DESTROYPROCESS, MF_BYCOMMAND | MF_GRAYED);
								}
								else
									MessageBox(hwnd, L"Cannot terminate process", L"Process termination", MB_OK);
							}
							else
								MessageBox(hwnd, L"No more processes to destroy", L"Process termination", MB_OK);
						}
						break;
				}
		// Parse the menu selections:
		switch (wmId)
		{
		case IDM_ABOUT:
			DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
			break;
		case IDM_EXIT:
			DestroyWindow(hWnd);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		// TODO: Add any drawing code here...
		EndPaint(hWnd, &ps);
		break;
    case WM_CREATE:
			{
				hDC=GetDC(hwnd);
				hMenu=GetSubMenu(GetMenu(hwnd), 0);

				hList  = CreateWindowEx( WS_EX_CLIENTEDGE, L"LISTBOX", L"",
                                       LBS_STANDARD | LBS_NOINTEGRALHEIGHT | LBS_DISABLENOSCROLL |
                                       WS_CHILD | WS_VISIBLE,
                                       5, 25, 350, 400,
                                       hwnd, NULL,
                                       hInstance
									   , NULL );

				hList2 = CreateWindowEx( WS_EX_CLIENTEDGE, L"LISTBOX", L"",
                                       LBS_STANDARD | LBS_NOINTEGRALHEIGHT | LBS_DISABLENOSCROLL |
                                       WS_CHILD | WS_VISIBLE,
                                       375, 25, 350, 400,
                                       hwnd, NULL,
                                       hInstance
									   , NULL );
			}
            break;
		

	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	UNREFERENCED_PARAMETER(lParam);
	switch (message)
	{
	case WM_INITDIALOG:
		return (INT_PTR)TRUE;

	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
		{
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}