C / C++ / MFC

if( AfxGetMainWnd()==NULL ){
   // Thread specialization
}else{
   // Main program specialization
}

inline BOOL IsThisAThread(){
	return GetCurrentThreadId()==GetWindowThreadProcessId(AfxGetMainWnd()->GetSafeHwnd(), NULL);
}

inline BOOL IsThisAThread(){
	CWnd* pMainWnd=AfxGetMainWnd();
	if(! pMainWnd) return TRUE;
	return GetCurrentThreadId()!=GetWindowThreadProcessId(pMainWnd->GetSafeHwnd(), NULL);
}

AlProb wrote:

unless you have a better idea how to get the size of the file?

TCHAR* sFile = _T("D:\\Rajesh\\Cheers.htm");
struct _stat buff;
_tstat(sFile, &buff);
cout<<"The size of your file is "<<buff.st_size<<" Bytes"<<endl;

LARGE_INTEGER n;
HANDLE hFile = CreateFile(FileName, GENERIC_READ,...OPEN_EXISTING...);
GetFileSizeEx(hFile, n);
CloseHandle(hFile);

__int64 GetSize(CString cs_file)
{
	WIN32_FIND_DATA fd; 
	__int64 iSize = -1;

	HANDLE hFind = FindFirstFile((LPCTSTR)cs_file, &fd); 
	if (hFind != INVALID_HANDLE_VALUE)
		iSize =	(((__int64)fd.nFileSizeHigh) << 32) + fd.nFileSizeLow;

	FindClose(hFind); 

	return iSize;
}

typedef unsigned __int64 UI64;
UI64 GetSize(CString cs_file)
{
	WIN32_FIND_DATA fd; 
	UI64 iSize = 0;

	HANDLE hFind = FindFirstFile((LPCTSTR)cs_file, &fd); 
	if (hFind != INVALID_HANDLE_VALUE)
		iSize =	(((UI64)fd.nFileSizeHigh) << 32) + fd.nFileSizeLow;

	FindClose(hFind); 

	return iSize;
}

void CCPDlgDlg::OnButton3() 
{
	UI64 isize = GetSize(_T("D:\\Rajesh\\Cheers.htm"));
}

Rajesh R Subramanian wrote:

the default size can be 0

Michael Schubert wrote:

0xFFFFFFFFFFFFFFFF ... (it's rather unlikely that a file would have that size)

Michael Schubert wrote:

I heard that they will release their next wave of crap products on Blue Ray discs because they don't fit on DVDs any more

Michael Schubert wrote:

Other option: