C / C++ / MFC

cyysoft wrote:

How can I create new a process from my program, and HIDE it from taskmgr.exe?

Rajesh R Subramanian wrote:

why do you need to hide a process?

LionAM wrote:

Is there any way to share the files across dll boundaries?

LionAM wrote:

I get an assertion.

LionAM wrote:

the file f is not known within the dll

int fd = _wopen(filename, _O_BINARY | _O_RDONLY, 0666);

read(fd, buf, bufsize)

---------------------------
Microsoft Visual C++ Debug Library
---------------------------
Debug Assertion Failed!

Program: p:\OLE_PDF\Debug\OLE_PDF_Test.exe
File: f:\dd\vctools\crt_bld\self_x86\crt\src\read.c
Line: 86

Expression: (_osfile(fh) & FOPEN)

static fz_colorspace k_device_bgr = { -1, "DeviceRGB", 3, bgr_to_rgb, rgb_to_bgr };
fz_colorspace *fz_device_bgr = &k_device_bgr;

extern fz_colorspace *fz_device_bgr;

fz_colorspace *colorspace = fz_device_bgr;

LionAM wrote:

It is passed to the library. However, the function fails with an access violation when the dll tries to change a member of the colorspace struct. The problem is that fz_device_bgr has different values inside the dll and inside the sample (where it is undefinded?).

class CMyClass
{
public:
    CString m_DefaultErrorExt;
    CString & m_sErrorExt;

public:
    CMyClass(void) : sErrorExt(DefaultErrorExt) {}
    CMyClass(CString & ExternError) : sErrorExt(ExternError) {}
};

BOOL CMyClass::Execute(LPCTSTR lpszParam1, CString& sError);

class MyClass
{
public:
  bool execute()
  {
    try
    {
      // ...
      throw exception("Testing testing");
      return true;
    }
    catch(exception& e)
    {
      m_lastError = e.what();
      return false;
    } 
  }
  CString& lastError()
  {
    return m_lastError;
  }
private:
  CString m_lastError;
};

void tryIt()
{
  MyClass c;
  if( c.execute() )
    cout << "All well" << endl;
  else
    cout << "MyClass.execute failed: " << c.lastError().GetString() << endl;
}

CMyClass
{
    BOOL Execute(LPCTSTR lpszSQL,CString& sError);
}

BOOL CMyClass::Execute(LPCTSTR lpszSQL,CString& sError)
{
    try
    {
        throw ....
    }
    catch(CException* e)
    {
        e->GetErrorMessage(sError.GetBufer(255),255);
        sError->ReleaseBuffer();
        e->Delete();
    }
}

CMyClass obj;
CString sError;
if(! obj.Execute(_T("SELECT * FROM mytable"),sError))
{
    MessageBox(sError);
    return;
}

pix_programmer wrote:

static MenuSettings mSettings;

MenuSettings mSettings;

extern MenuSettings mSettings;