C / C++ / MFC

class CSpecialFx  
{
public:
	CSpecialFx();
	virtual ~CSpecialFx();
protected:
	virtual VOID CALLBACK TimerProc(HWND hwnd,UINT uMsg,UINT_PTR idEvent,DWORD dwTime);
private:
	static VOID CALLBACK StaticProc(HWND hwnd,UINT uMsg,UINT_PTR idEvent,DWORD dwTime);
	static void *thisPtr;
	UINT uTimerId;
};

PJ Arends wrote:

In your destructor be sure to set the thisPtr to NULL, and in the StaticProc be sure to check for NULL. If you don't you could run into problems if you have multiple instances of your class active.

// additional includes
#include <iterator>
#include <algorithm>
#include <vector>
#include <string>

// reading file
vector<string> names;
copy(istream_iterator<string>(myFile), istream_iterator<string>(), back_inserter(names));
copy(names.begin(), names.end(), ostream_iterator<string>(cout, "\n"));

    char xx [20];
    ofstream fout;
    fout.open("c:/out.txt", ios::app);
    cout<< "Please enter your first name: \t";
    cin>> xx;
    fout<< xx << endl;
    // close file
    fout.close();

    char yy[100];
    ifstream myfile("c:/out.txt");
    cout<< "\nAll names entered on file: \t";
    while (!myfile.eof())
    {
	myfile.getline(yy,100,'n');
	cout << yy;
    }