C / C++ / MFC

samkook wrote:

I don't have a choice(maybe i do, but it's easyer that way i think) to read it byte by byte because I need to identify some tags in the file.

Larsson wrote:

...when that button is pressed on I need to end the dialog...

Larsson wrote:

...and the checkbox on the first dialog should not be checked.

Larsson wrote:

Well this is what I get on (CDialog1 pDlg*)=GetParent();

amjadamq wrote:

(CDialog1 pDlg*)=GetParent();
pDlg->m_ctlCheck1.SetCheck(FALSE);

Nick Usechak wrote:

outFile.open(FileName,ios::out | ios::binary);

Nick Usechak wrote:

bool plot_interface::data_write(char *FileName){
//ofstream outFile; // if this is uncommented the program works corectly
// but it does not achive what I want it to.
outFile.open(FileName,ios::out | ios::binary);
outFile.write((char *) &PlotType, sizeof(int));
return true;
}

#include <iostream>
#include <fstream>
//using namespace std; // side note:  don't use using namespace in header files

class plot_interface
{
public:
	plot_interface()	{ PlotType = 0; }
	~plot_interface()	{ if (outFile.is_open()) outFile.close(); }
	bool open_file(char* FileName);
	bool data_write();                  

	int get_plot()		{ return PlotType; }
	void set_plot(int pt)	{ PlotType = pt; }
private:
	std::ofstream outFile;                     
	int PlotType;
};

bool plot_interface::open_file(char* FileName)
{
	if (!outFile.is_open())
	{
		outFile.open(FileName, ios::out | ios::binary);
	}
	return false;	// already open
}

bool plot_interface::data_write()
{
	if (outFile.is_open())
	{   
		outFile.write((char *) &PlotType, sizeof(int));    
		return true;
	}
	return false;
}


void _tmain(int argc, _TCHAR* argv[])
{
	plot_interface plot;                                        
	plot.set_plot(32);
	if (false != plot.open_file("loser.dat"))
	{
		if(!plot.data_write())
		{
			cout<<"could not open the file"; 
			return;
		}  
	}
	int temp_type;
	ifstream inFile;
	inFile.open("loser.dat");
	inFile.read((char *) &temp_type, sizeof(int));    
	cout<<"we read: "<<temp_type<<" back from the file\n\n";
  
	cin.get();
	return;
}

Nick Usechak wrote:

2. I am unfamiliar with basic_ofstream? Could you point me somewhere?

Nick Usechak wrote:

...but the data is not written to the file (or at least not properly).