win32 응용 프로그램은 ini 파일을 읽고 씁니다.

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

#include "stdafx.h"
#include "resource.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

// 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);

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_READTXT, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);
	
	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}
	
	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_READTXT);
	
	// 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_READTXT);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= (LPCSTR)IDC_READTXT;
	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;
	
	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, 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
//
//
#include <stdio.h>
#define MAXSIZE 50
struct Snake
{
	int x[MAXSIZE];
	int y[MAXSIZE];
	int len;
	int dir;
};
Snake m_snake;

#define Max_Path 200
char *strleft(char a[],char b)
{
	int i;
	for(i=strlen(a);i>=0;i--)
	{
		if(a[i]==b)
		{
			a[i]='\0';
			break;
		}
	}
	return a;
}
void ReadTxt(HWND hWnd)
{
	char FullPath[Max_Path];
	char *strPath;
	char SegName[10];
	char xNum[10];
	char yNum[10];
	GetModuleFileName(NULL,FullPath,Max_Path);
	strPath=strleft(FullPath,'\\');
	strcat(strPath,"\\data.ini");
	
	sprintf(SegName,"Snake");
	
	m_snake.len=GetPrivateProfileInt(SegName,"len",0,strPath);
	m_snake.dir=GetPrivateProfileInt(SegName,"dir",0,strPath);
	for(int i=1;i<=m_snake.len;i++){
		sprintf(xNum,"x%d",i);
		sprintf(yNum,"y%d",i);
		m_snake.x[i-1]=GetPrivateProfileInt(SegName,xNum,0,strPath);
		m_snake.y[i-1]=GetPrivateProfileInt(SegName,yNum,0,strPath);
	}	
}
void WriteTxt(HWND hWnd)
{
	char FullPath[Max_Path];
	char *strPath;
	char str[15];
	char SegName[10];
	char xNum[10];
	char yNum[10];
	char xdata[10];
	char ydata[10];
	char key[10];
	//获得路径
	GetModuleFileName(NULL,FullPath,Max_Path);
	strPath=strleft(FullPath,'\\');
	strcat(strPath,"\\savedata.ini");


	sprintf(SegName,"Snake");
	for(int i=1;i<=m_snake.len;i++){
		sprintf(xNum,"x%d",i);
		sprintf(yNum,"y%d",i);
		sprintf(xdata,"%d",m_snake.x[i-1]);
		sprintf(ydata,"%d",m_snake.y[i-1]);
		WritePrivateProfileString(SegName,xNum,xdata,strPath);
		WritePrivateProfileString(SegName,yNum,ydata,strPath);
	}
	sprintf(key,"%d",m_snake.len);
	WritePrivateProfileString(SegName,"len",key,strPath);
	sprintf(key,"%d",m_snake.dir);
	WritePrivateProfileString(SegName,"dir",key,strPath);
}
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_LBUTTONDOWN:
		ReadTxt(hWnd);
		break;
	case WM_RBUTTONDOWN:
		WriteTxt(hWnd);
		break;
	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;
		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)
{
	switch (message)
	{
	case WM_INITDIALOG:
		return TRUE;
		
	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
		{
			EndDialog(hDlg, LOWORD(wParam));
			return TRUE;
		}
		break;
	}
    return FALSE;
}