C / C++ / MFC

YS8888 wrote:

i want i program that will tell me what is the value in the calculator(for example) text box.

YS8888 wrote:

I need to write a program that needs to "steel"

// CalcSteal.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include <tchar.h>
#include <malloc.h>
#include <windows.h>
#include <iostream>
using namespace std;
 
int main(int argc, char* argv[])
{
	// First try to find "Calc.exe"'s main window. If there's
	// more than one instance running we use the first one.
	HWND hwndCalc = FindWindow(_T("SciCalc"), _T("Calculator"));
	if (hwndCalc == NULL)
	{
		cerr << "Couldn't find the Calculator window!" << endl;
		return -1;
	}
 
	// Now find the edit control.
	HWND hwndEdit = FindWindowEx(hwndCalc, NULL, _T("Edit"), NULL);
	if (hwndEdit == NULL)
	{
		cerr << "Couldn't find the Calculator's edit control!" << endl;
		return -2;
	}
 
	int len = SendMessage(hwndEdit, WM_GETTEXTLENGTH, 0, 0);
	if (len == 0)
	{
		cerr << "Text empty?!?" << endl;
		return -3;
	}
 
	// Allocate enough room for the text.
	LPTSTR pBuffer = static_cast<LPTSTR>(_alloca((len+1)*sizeof(TCHAR)));
 
	// Get the text.
	int res = SendMessage(hwndEdit, WM_GETTEXT, len+1, reinterpret_cast<LPARAM>(pBuffer));
	if (res == 0)
	{
		cerr << "Text empty?!?" << endl;
		return -4;
	}
 
	// Output the text.
#ifdef UNICODE
	wcout << _T("Calculator's result: ") << pBuffer << endl;
#else
	cout << _T("Calculator's result: ") << pBuffer << endl;
#endif
 
	return 0;
}

std::string str = "Hello World";
char psz[20] = {0};
 
::strcpy(str.c_str(), psz);