C / C++ / MFC

Le@rner wrote:

not working

	for(int i=750; i>100; i-=200)
		Beep(i,50+i/5);
	
	Beep( 150, 100 );
	
	HRESULT lCode=GetLastError();
	LPVOID lpMsgBuf;
	FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
	lCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 
	(LPWSTR) &lpMsgBuf,0,NULL );
	MessageBox((LPCTSTR)lpMsgBuf, _T("Error"), MB_OK | MB_ICONINFORMATION );
//message is "The RPC server is unavilable."
	LocalFree( lpMsgBuf );

	MessageBeep(MB_ICONASTERISK);
	
	HRESULT lCode=GetLastError();
	LPVOID lpMsgBuf;
	FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
	lCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 
	(LPWSTR) &lpMsgBuf,0,NULL );
	MessageBox((LPCTSTR)lpMsgBuf, _T("Error"), MB_OK | MB_ICONINFORMATION );
//message is "The request is not supported."
	LocalFree( lpMsgBuf );

Karthika85 wrote:

I am using m_ctrlEd.SetFocus()

ofstream out("/Users/Dixon/test1.txt");
if (not out)
    perror("/Users/Dixon/test1.txt");
else {
    out << "1" << "2" << "3" << "4" << "5" << "6";
    out.close();

    ifstream in("/Users/Dixon/test1.txt");
    if (not in)
        perror("/Users/Dixon/test1.txt");
    else {
        int x(0);
        while (in >> x)
        {
            cout << x << '\n';
        }
        in.close();
    }

}

#include <iostream>
#include <fstream>
#include <string>

int main () {
	using namespace std;
	
	string line;
	ifstream myfile("/Users/Dixon/test1.txt");
	if (myfile.is_open())
	{
		while (! myfile.eof())
		{
			getline(myfile,line);
			cout << line << endl;
		}
		myfile.close();
	}
	else {
		cout << "Unable to open file";
	}
	
	return 0;

}