Working with registry

[harkoslav]

Thanks again, now i tried to put your code into my and everything seems to be fine expect few little errors which i can't make right =(.

Here is my whole code:

#include "stdafx.h"
#include <Windows.h>
#include <iostream>
#pragma comment(lib, "Advapi32.lib.")

using namespace std;


int main ()
{
	BOOL bGetBinary = FALSE;
	HKEY hKey = NULL;
	if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"), NULL, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
	{
		DWORD dwType = 0, dwBufferSize = 0;
		if (!bGetBinary)
		{
			dwBufferSize = 260;
			TCHAR tData[260];
			if (RegQueryValueEx(hKey, TEXT("ProductName"), NULL, &dwType, (LPBYTE)&tData, &dwBufferSize) == ERROR_SUCCESS)
			{
				MessageBox(tData);
			}
			else
				MessageBox(TEXT("Error!"));
		}
		else
		{
			dwBufferSize = 1024;
			BYTE bBuffer[1024];
			if (RegQueryValueEx(hKey, TEXT("ProductName"), NULL, &dwType, (LPBYTE)&bBuffer, &dwBufferSize) == ERROR_SUCCESS)
			{
				
			}
			else
				MessageBox(TEXT("Error!"));

		}

	}

I got errors here:

MessageBox(tData);

1 IntelliSense: argument of type "TCHAR *" is incompatible with parameter of type "HWND"

MessageBox(TEXT("Error!"));

3 IntelliSense: argument of type "const wchar_t *" is incompatible with parameter of type "HWND"

MessageBox(TEXT("Error!"));

5 IntelliSense: argument of type "const wchar_t *" is incompatible with parameter of type "HWND"


--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

I got following error for all of this lines:
2 IntelliSense: too few arguments in function call



Also 1 more question, after program opens registry value how can I make the program write it's value on the screen? I tried cin << ProductName; but it won't work.

PS. program worked after i erased those messagebox, as it was erased so were the errors.

dwBufferSize = 1024;
			BYTE bBuffer[1024];
			if (RegQueryValueEx(hKey, TEXT("ProductName"), NULL, &dwType, (LPBYTE)&bBuffer, &dwBufferSize) == ERROR_SUCCESS)
			{
				cout << ProductName;
			}

I'm really sorry for being such a pain in the *** but I really don't understand what went wrong now. =(

Any conclusion?


Thanks