C / C++ / MFC

LRESULT CMemMapCppClientDlg::OnDataReady(WPARAM, LPARAM) <br />
{<br />
	HANDLE hMapFile = NULL;<br />
	PVOID pView = NULL;<br />
<br />
	hMapFile = OpenFileMapping(FILE_MAP_READ, FALSE, m_pszMemMapFileName);<br />
	if(hMapFile == NULL) {<br />
		MessageBox("Can not open file mapping");<br />
		return 0;<br />
	}<br />
<br />
	pView = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);<br />
	if(pView == NULL) {<br />
		MessageBox("Can map view of file");<br />
		CloseHandle(hMapFile);<br />
		return 0;<br />
	}<br />
<br />
	LPSTR szContent = reinterpret_cast<LPSTR>(pView);<br />
	int nLen = strlen(szContent);<br />
	while(nLen > 0) {<br />
		m_strContent += *szContent++;<br />
		--nLen;<br />
	}<br />
	m_strContent += '\0';<br />
	m_strContent.Replace("\n", "\r\n");<br />
<br />
	if(pView) UnmapViewOfFile(pView);<br />
	if(hMapFile) CloseHandle(hMapFile);<br />
<br />
	return 0;<br />
}<br />
<br />
CString CMemMapCppClientDlg::GetContent()<br />
{<br />
  return m_strContent;<br />
}

// MemMapCppClientDlg.h : header file<br />
//<br />
<br />
#if !defined(AFX_MEMMAPCPPCLIENTDLG_H__A51F6AF7_F28D_461D_8FB3_EFC7B929D99C__INCLUDED_)<br />
#define AFX_MEMMAPCPPCLIENTDLG_H__A51F6AF7_F28D_461D_8FB3_EFC7B929D99C__INCLUDED_<br />
<br />
#if _MSC_VER > 1000<br />
#pragma once<br />
#endif // _MSC_VER > 1000<br />
<br />
/////////////////////////////////////////////////////////////////////////////<br />
// CMemMapCppClientDlg dialog<br />
<br />
class CMemMapCppClientDlg : public CDialog<br />
{<br />
// Construction<br />
public:<br />
	static UINT UWM_DATA_READY;<br />
	CMemMapCppClientDlg(CWnd* pParent = NULL);	// standard constructor<br />
    CString GetContent();<br />
<br />
// Dialog Data<br />
	enum { IDD = IDD_MEMMAPCPPCLIENT_DIALOG };<br />
	// ClassWizard generated virtual function overrides<br />
	protected:<br />
<br />
// Implementation<br />
protected:<br />
	// Generated message map functions<br />
	//{{AFX_MSG(CMemMapCppClientDlg)<br />
	virtual BOOL OnInitDialog();<br />
//[leave the dialog]	afx_msg void CMemMapCppClientDlg::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos);<br />
	afx_msg LRESULT OnDataReady(WPARAM wParam, LPARAM lParam);<br />
	DECLARE_MESSAGE_MAP()<br />
    CString m_strContent; <br />
<br />
private:<br />
	//enum { m_dwMemFileSize = 2 * 1024 };<br />
	LPCTSTR m_pszMemMapFileName;<br />
};<br />
<br />
	#define UWM_DATA_READY_MSG _T("UWM_DATA_READY_MSG-{7FDB2CB4-5510-4d30-99A9-CD7752E0D680}")<br />
<br />
//{{AFX_INSERT_LOCATION}}<br />
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.<br />
<br />
#endif // !defined(AFX_MEMMAPCPPCLIENTDLG_H__A51F6AF7_F28D_461D_8FB3_EFC7B929D99C__INCLUDED_)

// MemMapCppClient.cpp : Defines the class behaviors for the application.<br />
//<br />
...<br />
<br />
VARIANT _stdcall SumOneToArray(VARIANT sourceArray)<br />
{<br />
CMemMapCppClientDlg dlg;<br />
CString strContent = dlg.GetContent();<br />
MessageBox(NULL, _T(strContent), _T("Like this:"), MB_OK);<br />
//MessageBox(NULL, _T("Hey."), _T("Like this:"), MB_OK);<br />
<br />
//check if Array is a Range object<br />
if(sourceArray.vt==VT_DISPATCH)<br />
sourceArray = CheckExcelArray(sourceArray);<br />
<br />
long ncols, nrows, i, j;<br />
<br />
//get the number columns and rows<br />
ncols=(sourceArray.parray)->rgsabound[0].cElements;<br />
nrows=(sourceArray.parray)->rgsabound[1].cElements;<br />
<br />
...<br />
}<br />
...

CMemMapCppClientDlg dlg;<br />
CString strContent = dlg.GetContent();<br />
MessageBox(NULL, _T(strContent), _T("Like this:"), MB_OK);