pathdlg.cpp

visual c++ 实例编程

// PathDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Ext32.h"
#include "PathDlg.h"
#include <shlobj.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern char gsExtPath[];
BOOL gbSubDir=TRUE;

/////////////////////////////////////////////////////////////////////////////
// PathDlg dialog


PathDlg::PathDlg(CWnd* pParent /*=NULL*/)
	: CDialog(PathDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(PathDlg)
		// NOTE: the ClassWizard will add member initialization here
//	hParent = pParent->m_hWnd;
	szTemp[0] = 0;
	//}}AFX_DATA_INIT
}


void PathDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(PathDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	DDX_Control(pDX, IDC_PATHBOX, m_PathEdit);
	DDX_Check(pDX, IDC_SUBDIR, m_bSubDir);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(PathDlg, CDialog)
	//{{AFX_MSG_MAP(PathDlg)
	ON_BN_CLICKED(IDC_BROWSE, OnBrowse)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// PathDlg message handlers

void PathDlg::OnBrowse() 
{
	// TODO: Add your control notification handler code here
	if(ShellGetPathName(szTemp)){
		m_PathEdit.SetWindowText(szTemp);
	}
}

void PathDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(TRUE);
	gbSubDir = m_bSubDir;
	m_PathEdit.GetWindowText(szTemp, sizeof(szTemp));
	strcpy(gsExtPath, szTemp);
	CDialog::OnOK();
}

void PathDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

BOOL PathDlg::ShellGetPathName(char EditPath[])
{
	BOOL bRet;
	char szPath[MAX_PATH];
	LPITEMIDLIST lpil;
	HGLOBAL hgMem;
	BROWSEINFO bi;
    
	bi.hwndOwner=(HWND) this->m_hWnd;
	bi.pidlRoot = NULL;
	bi.pszDisplayName = szPath;
	bi.lpszTitle = "Select Folder";
	bi.ulFlags = BIF_RETURNONLYFSDIRS;
	bi.lpfn = NULL;
	bi.lParam = 0L;
	bi.iImage = 0;
	lpil = SHBrowseForFolder(&bi);
	if(lpil == NULL)
		return FALSE;
	bRet = SHGetPathFromIDList(lpil, EditPath);
	hgMem = GlobalHandle(lpil);
	GlobalFree(hgMem);
	return bRet;
}

BOOL PathDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	// TODO: Add extra initialization here
	char ComboText[] = "A:\\";
//	hWndCombo = ::GetDlgItem(this->m_hWnd, IDC_PATHBOX);
	m_PathEdit.AddString("All");
	for(int i=0;i<26;i++){
		ComboText[0] = 'A'+i;
		int TmpVal = GetDriveType(ComboText);
		if((TmpVal != DRIVE_UNKNOWN) && (TmpVal != DRIVE_NO_ROOT_DIR))
			m_PathEdit.AddString(ComboText);
	}
	m_PathEdit.SetWindowText(gsExtPath);
	m_bSubDir = gbSubDir;
	UpdateData(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}