C / C++ / MFC

philiptabraham wrote:

can anybody tell me how i can call a vb activex dll from c++

ashtwin wrote:

CDC *pDC = CDC::FromHandle(MyClasss::getMyHDC());

<br />
CDC* dc = myPrintObj.createDCForPrint(printRect);<br />
doPrintWfReport(dc, printJob);<br />

<br />
CDC* PrintJob::PrintJobToPrinterType::createDCForPrint(const NcWfPrintJob& client, const CRect& printRect)<br />
{<br />
	REQUIRE(!printRect.IsRectEmpty());<br />
<br />
	DOCINFO DI;<br />
	ZeroMemory(&DI, sizeof(DOCINFO));<br />
	DI.cbSize = sizeof(DOCINFO);<br />
	DI.lpszDocName = NcCommonResources().getWFReportDocName();<br />
<br />
	CDC* pDC = CDC::FromHandle(client.getPrintInfo().hDC);<br />
	pDC->SetMapMode(MM_HIMETRIC);<br />
<br />
	pDC->StartDoc(&DI);<br />
	pDC->StartPage();<br />
<br />
	return pDC;<br />
}<br />

ashtwin wrote:

Currently i am using the pDC within the same fuction call

ashtwin wrote:

In the current design it is not possible for me to have a CDC object as a member varaible

ashtwin wrote:

Now the question is whether we can return a temporary object pointer from a function or not?

CDC *CreatePrinterDC()
{
   ....
   CDC *pdcPrinter = new CDC;
   pdcPrinter ->Attach(hdcPrinter);
   ....
   return pdcPrinter;
}

delete pdcPrinter;

void CMyMainDialog::OnButton1() 
{
    CMyPopupDialog dlg(&m_btn1);
    dlg.DoModal();	
}
 
BOOL CMyPopupDialog::OnInitDialog() 
{
    CDialog::OnInitDialog();
	
    CRect rc;
    m_pParent->GetWindowRect(rc); // m_pParent is a pointer to the button
    SetWindowPos(NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
	
    return TRUE;
}