exampledlg.cpp

vc150例源码

// ExampleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Example.h"
#include "ExampleDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CExampleDlg dialog

CExampleDlg::CExampleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExampleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExampleDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CExampleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExampleDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CExampleDlg, CDialog)
	//{{AFX_MSG_MAP(CExampleDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExampleDlg message handlers

BOOL CExampleDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	m_pConnection.CreateInstance(__uuidof(Connection)); 
	m_pConnection->Open("DSN=test;","","",-1); 	

	_variant_t TheValue; 
	m_pRecordset.CreateInstance(__uuidof(Recordset)); 
	m_pRecordset->Open("Select * From [Title Author]", 
						m_pConnection.GetInterfacePtr(), 
						adOpenDynamic, 
						adLockOptimistic, 
						adCmdText); 
	CListCtrl* m_List=(CListCtrl*)GetDlgItem(IDC_LIST1);
	FieldsPtr fs;
	fs.CreateInstance(__uuidof(Fields));
	fs=m_pRecordset->GetFields();
	 
	int nFieldCount=fs->Count;
	for(int i=0;i<nFieldCount;i++)
	{
		LV_COLUMN lvcol;
		lvcol.mask=LVCF_FMT|LVCF_TEXT|LVCF_WIDTH;
		lvcol.fmt=LVCFMT_LEFT;
		lvcol.cx=70;

		FieldPtr field;
		field.CreateInstance(__uuidof(Field));
		field=fs->GetItem(_variant_t(long(i))); 

		_variant_t vFieldValue;
		char str_FieldName[30];
		strcpy(str_FieldName,(LPCTSTR)field->GetName());
		lvcol.pszText=str_FieldName;
		lvcol.iSubItem=i;
		m_List->InsertColumn(i,&lvcol);
	}
	
	int index=-1;
	while(!m_pRecordset->adoEOF) 
	{ 
		index=index+1;
		LV_ITEM lvitem;
		lvitem.iItem=index;
		lvitem.iSubItem=0;
		lvitem.mask=LVIF_TEXT;

		_bstr_t FieldValue(fs->GetItem(_variant_t(long(0)))->Value);
		CString str_FieldValue;
		str_FieldValue.Format("%s",(LPCSTR)FieldValue); 
		lvitem.pszText=(char*)(LPCTSTR)str_FieldValue;
		  
		m_List->InsertItem(&lvitem);
		for(i=1;i<nFieldCount;i++)
		{
			for(i=1;i<nFieldCount;i++)
			{
				FieldValue=fs->GetItem(_variant_t(long(i)))->Value;
				str_FieldValue.Format("%s",(LPCSTR)FieldValue); 
				m_List->SetItemText(index,i,(char*)(LPCTSTR)str_FieldValue);			
			}
		}
		m_pRecordset->MoveNext(); 
	} 
	m_pRecordset->Close(); 
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CExampleDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CExampleDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}