C / C++ / MFC

janaswamy uday wrote:

file.read(buffer,100000);

CStdioFile

janaswamy uday wrote:

if(file.open("C:\\users\\rakesh\\Desktop\\myText.xml",CFile::modeRead))

if (! file.Open("C:\\users\\rakesh\\Desktop\\myText.xml", CFile::modeRead))

janaswamy uday wrote:

if(file.open("C:\\users\\rakesh\\Desktop\\myText.xml",CFile::modeRead))
{ 
    return false;
}

LPTSTR buffer = new TCHAR[100000];
file.read();
//process data
delete []buffer;

public:
	CTestDoc* GetDocument();

#include "testView.h"

#include "testDoc.h"
#include "testView.h"

int k = 0x3739;
CString out;
while(k > 0) {
  out += (char)k % 0x100;
  k /= 0x100;
}
strrev(out.GetBuffer(0));
cout <<(LPCTSTR)out <<endl;

S p k 521 wrote:

...convert hex to its corresponding ascii value...

#include <iostream>
#include <string>
#include <iomanip>
#include <sstream>

int main()
{	
	// Test numbers - num1 declared as HEX,  num2 as DEC
	const unsigned int num1 = 0x1234, num2 = 1234;

	// We will use std::ostringstream for the conversion
	std::ostringstream oss;
	
	// First num to Hex
        // "0x" is optional if you don't need it you can use "oss << std::hex << num1;"
	oss << "0x" << std::hex << num1; 
	std::string strFirstNumHex = oss.str();
        // Clear the content of the string buffer for later use
	oss.str(std::string());

	// Second num to Hex
        // "0x" is optional if you don't need it you can use "oss << std::hex << num2;"
	oss << "0x" << std::hex << num2;
	std::string strSecondNumHex = oss.str();
        // Clear the content of the string buffer for later use
	oss.str(std::string());

	// First num to Dec
	oss << std::dec << num1;
	std::string strFirstNumDec = oss.str();
        // Clear the content of the string buffer for later use
	oss.str(std::string());

	// Second num to Dec
	oss << std::dec << num2;
	std::string strSecondNumDec = oss.str();
	
	// This line prints: Numbers in HEX: 0x1234, 0x4d2       Numbers in DEC: 4660, 1234
	std::cout << "Numbers in HEX: " << strFirstNumHex << ", " << strSecondNumHex << "\t"
	          << "Numbers in DEC: " << strFirstNumDec << ", " << strSecondNumDec;

	std::cin.get();
	return 0;
}