VC++ CSWDirectoryListCtrl磁盘文件列表

效果图：

头文件定义（CSWDirectoryListCtrl.h）：

#pragma once
#include "afxwin.h"
#include <afxcmn.h>
#include <string>

namespace sw {
	class CSWDirectoryListCtrl:	public CListCtrl
	{
	public:
		CSWDirectoryListCtrl();
		virtual ~CSWDirectoryListCtrl();

	private:
		CImageList* m_pImageList;
		CImageList* m_pImageListL;
		CMap<CString, LPCTSTR, INT, INT&> m_mapIcons;
		UINT m_nCurFolderLevel;
		CString m_strCurFolder;
		CRect m_rcOrgClient;
		BOOL m_bSortByAsc;
		CString m_strExtFilter;
		CString m_strCurFileName;

	protected:
		// 获取图标索引
		INT GetFileIcon(CString strFileName);
		// 获取文件类型
		CString GetFileType(CString strFileName);

		// 添加目录
		UINT AddFolder(CString strFolder);
		// 添加文件
		UINT AddFile(CString strFile);
		// 添加驱动器
		UINT AddDriver(CString strDriver);

		// 返回上一级目录
		void BackParentFolder(CString strFolder);
		// 扩展当前目录
		BOOL ExpandCurFolder(CString strFolder);
		// 设置默认根目录
		void ResetDefalultFolder();
		// 加载默认图标（常用）
		void LoadDefaultIcon();

	public:
		// 升序排列
		void SortByAsc();	
		// 降序排列
		void SortByDesc();	
		// 设置文件后缀名过滤
		void SetFilter(CString strFilter);	
		// 获取当前选择文件名
		CString GetFileName();	

	public:
		virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
		virtual void PreSubclassWindow();

		DECLARE_MESSAGE_MAP()
		afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
		afx_msg void OnDestroy();
		afx_msg void OnSize(UINT nType, int cx, int cy);
		afx_msg BOOL OnNMDblclk(NMHDR* pNMHDR, LRESULT* pResult);
		afx_msg void OnNMCustomdraw(NMHDR* pNMHDR, LRESULT* pResult);
		afx_msg void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
		afx_msg void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
	};
}

源码实现（CSWDirectoryListCtrl.cpp）：

#include "pch.h"
#include "CSWDirectoryListCtrl.h"

using namespace sw;

CSWDirectoryListCtrl::CSWDirectoryListCtrl()
{
	m_pImageList = NULL;
	m_pImageListL = NULL;
	m_bSortByAsc = TRUE;
	m_nCurFolderLevel = 0;
	m_strCurFolder = _T("");
	m_strExtFilter = _T("");
	m_rcOrgClient.SetRectEmpty();
}

CSWDirectoryListCtrl::~CSWDirectoryListCtrl()
{

}

BOOL sw::CSWDirectoryListCtrl::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此添加专用代码和/或调用基类
	cs.style |= LVS_REPORT;
	return __super::PreCreateWindow(cs);
}

BEGIN_MESSAGE_MAP(sw::CSWDirectoryListCtrl, CListCtrl)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_SIZE()
	ON_NOTIFY_REFLECT_EX(NM_DBLCLK, &CSWDirectoryListCtrl::OnNMDblclk)
	ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, &CSWDirectoryListCtrl::OnNMCustomdraw)
	ON_WM_MEASUREITEM()
	ON_WM_MEASUREITEM_REFLECT()
END_MESSAGE_MAP()


int sw::CSWDirectoryListCtrl::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (__super::OnCreate(lpCreateStruct) == -1)
		return -1;

	// TODO:  在此添加您专用的创建代码
	return 0;
}


CString CSWDirectoryListCtrl::GetFileType(CString strFileName)
{
	int nFoundAt = strFileName.Find(".", 0);
	if (nFoundAt == 0)
		return strFileName + " 文件";

	strFileName.MakeUpper();
	CString strExt = strFileName.Mid(nFoundAt);
	CString strResult = "未知";
	if (strExt.GetLength() > 0)
	{
		SHFILEINFOA info;
		if (SHGetFileInfo(strExt,
			FILE_ATTRIBUTE_NORMAL,
			&info,
			sizeof(info),
			SHGFI_TYPENAME | SHGFI_USEFILEATTRIBUTES))
		{
			strResult = info.szTypeName;
		}
	}

	return strResult;
}

INT CSWDirectoryListCtrl::GetFileIcon(CString strFileName)
{
	DWORD dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
	CString strExt = strFileName;
	struct _stat buf;
	int result = _stat(strFileName, &buf);
	if (_S_IFDIR & buf.st_mode) {
		dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
		if (strFileName.GetLength() > 3)
			strExt = _T("floder");
	}
	else if (_S_IFREG & buf.st_mode) {
		int nFoundAt = strFileName.Find(".", 0);
		strFileName.MakeUpper();
		strExt = strFileName.Mid(nFoundAt);
	}

	INT nIndex = -1;
	if (m_mapIcons.Lookup(strExt, nIndex))
		return nIndex;

	HICON hIcon = NULL;
	if (strExt.GetLength() > 0)
	{
		SHFILEINFOA info;
		if (SHGetFileInfo(strExt,
			dwFileAttributes,
			&info,
			sizeof(info),
			SHGFI_SYSICONINDEX | SHGFI_ICON | SHGFI_USEFILEATTRIBUTES))
		{
			hIcon = info.hIcon;
		}
	}

	if (hIcon)
	{
		nIndex = m_pImageList->Add(hIcon);
		nIndex = m_pImageListL->Add(hIcon);
		m_mapIcons[strExt] = nIndex;		
	}

	return nIndex;
}


void sw::CSWDirectoryListCtrl::OnDestroy()
{
	__super::OnDestroy();

	// TODO: 在此处添加消息处理程序代码
	if (m_pImageList != NULL)
	{
		delete m_pImageList;
		m_pImageList = NULL;
	}
	
	if (m_pImageListL != NULL)
	{
		delete m_pImageListL;
		m_pImageListL = NULL;
	}	
}


void sw::CSWDirectoryListCtrl::OnSize(UINT nType, int cx, int cy)
{
	__super::OnSize(nType, cx, cy);

	// TODO: 在此处添加消息处理程序代码
	CRect rcClient; GetWindowRect(rcClient);
	rcClient.OffsetRect(-rcClient.left, -rcClient.top);
	if (GetSafeHwnd() && !rcClient.EqualRect(m_rcOrgClient))
	{
		m_rcOrgClient = rcClient;
		SetColumnWidth(0, cx-4);
		SetColumnWidth(1, 1);
		SetColumnWidth(2, 1);
		SetColumnWidth(3, 1);
		SetColumnWidth(4, 1);
		InvalidateRect(NULL);
	}
}

UINT sw::CSWDirectoryListCtrl::AddFolder(CString strFolder)
{
	CString strNewFolder = strFolder;
	int nPos = strNewFolder.ReverseFind('\\');
	if (nPos)
	{
		strNewFolder = strNewFolder.Right(strNewFolder.GetLength() - nPos - 1);
	}

	UINT nItem = GetItemCount();
	nItem = InsertItem(nItem, strNewFolder, GetFileIcon(strFolder));

	CFileFind ff;
	if (ff.FindFile(strFolder))
	{
		ff.FindNextFile();
		CTime tm;;
		if (ff.GetLastWriteTime(tm))
		{
			CString strTime; strTime.Format("%d/%d/%d %d:%d", tm.GetYear(), tm.GetMonth(), tm.GetDay(), tm.GetHour(), tm.GetMinute());
			SetItemText(nItem, 1, strTime);
		}
	}
	SetItemText(nItem, 2, _T("文件夹"));
	SetItemText(nItem, 3, _T(""));
	SetItemText(nItem, 4, strFolder);
	return nItem;
}


UINT sw::CSWDirectoryListCtrl::AddFile(CString strFile)
{
	CString strNewFile = strFile;
	int nPos = strNewFile.ReverseFind('\\');
	if (nPos)
	{
		strNewFile = strNewFile.Right(strNewFile.GetLength() - nPos - 1);
	}

	UINT nItem = GetItemCount();
	nItem = InsertItem(nItem, strNewFile, GetFileIcon(strFile));

	CFileFind ff;
	if (ff.FindFile(strFile))
	{
		ff.FindNextFile();
		CTime tm;;
		if (ff.GetLastWriteTime(tm))
		{
			CString strTime; strTime.Format("%d/%d/%d %d:%d", tm.GetYear(), tm.GetMonth(), tm.GetDay(), tm.GetHour(), tm.GetMinute());
			SetItemText(nItem, 1, strTime);
		}
	}
	
	SetItemText(nItem, 2, GetFileType(strFile));
	LONGLONG llSize = ff.GetLength();
	if (llSize<=1024)
		SetItemText(nItem, 3,  _T("1 KB"));
	else if (llSize > 1024)
	{
		llSize = llSize / 1024;
		CString s; s.Format(_T("%ld"), llSize);
		s.MakeReverse();
		CString sFormat;
		for (int i = 0; i < s.GetLength(); i++)
		{
			sFormat += s[i];
			if (i % 3 == 2)
				sFormat += _T(",");
		}
		sFormat.MakeReverse();
		sFormat += " KB";
		SetItemText(nItem, 3, sFormat);
	}

	SetItemText(nItem, 4, strFile);
	return nItem;
}

UINT sw::CSWDirectoryListCtrl::AddDriver(CString strDriver)
{
	UINT nType = GetDriveType(strDriver);
	if (GetDriveType(strDriver) == DRIVE_CDROM)
		return  -1;

	UINT nItem = GetItemCount();
	nItem = InsertItem(nItem, strDriver, GetFileIcon(strDriver));

	CFileFind ff;
	if (ff.FindFile(strDriver))
	{
		ff.FindNextFile();
		CTime tm;;
		if (ff.GetLastWriteTime(tm))
		{
			CString strTime; strTime.Format("%d/%d/%d %d:%d", tm.GetYear(), tm.GetMonth(), tm.GetDay(), tm.GetHour(), tm.GetMinute());
			SetItemText(nItem, 1, strTime);
		}
	}

	if (nType == DRIVE_REMOVABLE)
		SetItemText(nItem, 2, _T("可移动磁盘"));
	else if (nType == DRIVE_REMOTE)
		SetItemText(nItem, 2, _T("网络磁盘"));
	else
		SetItemText(nItem, 2, _T("本地磁盘"));
	SetItemText(nItem, 3, _T(""));
	SetItemText(nItem, 4, strDriver);
	return nItem;
}

struct ICON_DEFAULT
{
	SHSTOCKICONID siid;
	LPCSTR lpszName;
};

ICON_DEFAULT ICON_DEFAULT_ARRAY[]=
{
	{SIID_FOLDERBACK,	_T("返回上一级") },
	{SIID_VIDEOFILES,	_T("视频") },
	{SIID_AUDIOFILES,	_T("音乐") },
	{SIID_DESKTOPPC,	_T("桌面") },
	{SIID_DRIVEREMOVE,	_T("可移动磁盘") },
	{SIID_DRIVENET,		_T("网络磁盘") },
};

void sw::CSWDirectoryListCtrl::LoadDefaultIcon()
{
	for (auto ao : ICON_DEFAULT_ARRAY)
	{
		SHSTOCKICONINFO sii = { 0 };
		sii.cbSize = sizeof(SHSTOCKICONINFO);
		if (SUCCEEDED(SHGetStockIconInfo(ao.siid, SHGFI_SYSICONINDEX | SHGSI_ICON | SHGSI_ICONLOCATION, &sii)))
		{
			if (sii.hIcon)
			{
				m_pImageList->Add(sii.hIcon);
				UINT nIndex = m_pImageListL->Add(sii.hIcon);
				m_mapIcons[ao.lpszName] = nIndex;
			}
		}
	}	
}

#include <shlobj_core.h>
// 绘制半透是，ILC_COLOR32只有在comctl32 6.0以上版本才支持.
#pragma comment(linker,"\"/manifestdependency:type='win32' \
name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
void sw::CSWDirectoryListCtrl::PreSubclassWindow()
{
	// TODO: 在此添加专用代码和/或调用基类
	m_rcOrgClient.SetRectEmpty();

	CRect rect;
	GetClientRect(&rect);
	InsertColumn(0, "名称", LVCFMT_LEFT, rect.right * 2 / 5, -1);
	InsertColumn(1, "修改日期", LVCFMT_LEFT, rect.right / 5, -1);
	InsertColumn(2, "类型", LVCFMT_LEFT, rect.right / 5, -1);
	InsertColumn(3, "大小", LVCFMT_LEFT, rect.right / 5, -1);
	InsertColumn(4, "名称", LVCFMT_LEFT, 0, -1);
	m_pImageList = new CImageList();
	m_pImageListL = new CImageList();
	m_pImageList->Create(20, 20, ILC_COLOR32 | ILC_MASK, 9, 9);
	m_pImageListL->Create(32, 32, ILC_COLOR32 | ILC_MASK, 9, 9);
	SetImageList(m_pImageList, LVSIL_SMALL);
	SetImageList(m_pImageListL, LVSIL_NORMAL);

	LoadDefaultIcon();
	ResetDefalultFolder();

	__super::PreSubclassWindow();
}

void sw::CSWDirectoryListCtrl::BackParentFolder(CString strFolder)
{
	if (m_nCurFolderLevel == 1)
		ResetDefalultFolder();
	else
	{
		CString strNewFolder = strFolder;
		int nPos = strNewFolder.ReverseFind('\\');
		if (nPos)
		{
			strNewFolder = strNewFolder.Left(nPos);
			if (ExpandCurFolder(strNewFolder))
				m_nCurFolderLevel--;
		}
	}
}

#include <vector>
#include <string>
#include <algorithm>
BOOL sw::CSWDirectoryListCtrl::ExpandCurFolder(CString strFolder)
{
	if (strFolder.IsEmpty())
		return FALSE;

	SetRedraw(FALSE);
	//LockWindowUpdate();
	CFileFind ff;
	BOOL bRet = ff.FindFile(strFolder + _T("\\*.*"));
	std::vector<std::string> vectFolder;
	std::vector<std::string> vectFile;
	while (bRet)
	{
		bRet = ff.FindNextFile();

		CString strFileName = ff.GetFileName();
		TRACE("FileName=%s\n", strFileName);
		TRACE("IsDots=%s\n", ff.IsDots() ? "TRUE" : "FALSE");
		TRACE("IsReadOnly=%s\n", ff.IsReadOnly() ? "TRUE" : "FALSE");
		TRACE("IsDirectory=%s\n", ff.IsDirectory() ? "TRUE" : "FALSE");
		TRACE("IsCompressed=%s\n", ff.IsCompressed() ? "TRUE" : "FALSE");
		TRACE("IsSystem=%s\n", ff.IsSystem() ? "TRUE" : "FALSE");
		TRACE("IsHidden=%s\n", ff.IsHidden() ? "TRUE" : "FALSE");
		TRACE("IsTemporary=%s\n", ff.IsTemporary() ? "TRUE" : "FALSE");
		TRACE("IsNormal=%s\n", ff.IsNormal() ? "TRUE" : "FALSE");
		TRACE("IsArchived=%s\n", ff.IsArchived() ? "TRUE" : "FALSE");

		if (!ff.IsDots())
		{
			if (ff.IsDirectory() && !ff.IsHidden() && !ff.IsSystem())
			{
				vectFolder.push_back(ff.GetFilePath().GetBuffer(0));
			}
			else if (!ff.IsHidden() && !ff.IsSystem())
			{
				CString strExt = strFileName.Mid(strFileName.Find(".", 0));
				TCHAR* pchEnd = m_strExtFilter.GetBuffer(0);
				pchEnd = strstr(pchEnd, strExt.GetBuffer(0));
				if (pchEnd)
					vectFile.push_back(ff.GetFilePath().GetBuffer(0));
			}
		}
	}
	ff.Close();

	auto SortByAsc = [](const std::string& file1, const std::string& file2)
	{
		bool bRet = false;
		if (_stricmp(file1.c_str(), file2.c_str()) < 0)
			bRet = true;

		return bRet;
	};
	auto SortByDesc = [](const std::string& file1, const std::string& file2)
	{
		bool bRet = false;
		if (_stricmp(file1.c_str(), file2.c_str()) < 0)
			bRet = true;

		return !bRet;
	};

	if (m_bSortByAsc)
	{
		std::sort(vectFolder.begin(), vectFolder.end(), SortByAsc);
		std::sort(vectFile.begin(), vectFile.end(), SortByAsc);
	}
	else
	{
		std::sort(vectFolder.begin(), vectFolder.end(), SortByDesc);
		std::sort(vectFile.begin(), vectFile.end(), SortByDesc);
	}

	DeleteAllItems();
	HICON hIcon = NULL;
	UINT nIndex = -1;
	SHSTOCKICONINFO sii = { 0 };
	sii.cbSize = sizeof(SHSTOCKICONINFO);
	if (SUCCEEDED(SHGetStockIconInfo(SIID_FOLDERBACK, SHGFI_SYSICONINDEX | SHGSI_ICON | SHGSI_ICONLOCATION, &sii)))
	{
		hIcon = sii.hIcon;
		if (hIcon)
		{
			nIndex = m_pImageList->Add(hIcon);
			nIndex = m_pImageListL->Add(hIcon);
			m_mapIcons[_T("返回上一级")] = nIndex;
		}
	}
	UINT nItem = InsertItem(0, _T("返回上一级"), nIndex);
	SetItemText(nItem, 4, _T("返回上一级"));

	for (auto iter : vectFolder)
	{
		AddFolder(iter.c_str());
	}
	for (auto iter : vectFile)
	{
		AddFolder(iter.c_str());
	}
	
	//UnlockWindowUpdate();
	SetRedraw(TRUE);
	m_strCurFolder = strFolder;

	if (vectFolder.size() > 0 || vectFile.size() > 0)
		return TRUE;
	else
		return FALSE;
}

void sw::CSWDirectoryListCtrl::SortByAsc()
{
	m_bSortByAsc = TRUE;
	ExpandCurFolder(m_strCurFolder);
}

void sw::CSWDirectoryListCtrl::SortByDesc()
{
	m_bSortByAsc = FALSE;
	ExpandCurFolder(m_strCurFolder);
}

void sw::CSWDirectoryListCtrl::ResetDefalultFolder()
{
	SetRedraw(FALSE);
	DeleteAllItems();
	
	auto AddDefaultFolder = [](CListCtrl* pListCtrl,  const _In_ int iconindex, const _In_ int csidl, const _In_ std::string name)
	{
		char szFolder[_MAX_PATH] = { 0 };
		if SUCCEEDED(SHGetFolderPath(NULL, csidl, NULL, SHGFP_TYPE_CURRENT, szFolder))
		{
			UINT nItem = pListCtrl->GetItemCount();
			nItem = pListCtrl->InsertItem(nItem, name.c_str(), iconindex);
			CFileFind ff;
			if (ff.FindFile(szFolder))
			{
				ff.FindNextFile();
				CTime tm;;
				if (ff.GetLastWriteTime(tm))
				{
					CString strTime; strTime.Format("%d/%d/%d %d:%d", tm.GetYear(), tm.GetMonth(), tm.GetDay(), tm.GetHour(), tm.GetMinute());
					pListCtrl->SetItemText(nItem, 1, strTime);
				}
			}

			pListCtrl->SetItemText(nItem, 2, _T("文件夹"));
			pListCtrl->SetItemText(nItem, 3, _T(""));
			pListCtrl->SetItemText(nItem, 4, szFolder);
		}
	};

	AddDefaultFolder(this, GetFileIcon(_T("视频")), CSIDL_MYVIDEO, _T("视频"));
	AddDefaultFolder(this, GetFileIcon(_T("音乐")), CSIDL_MYMUSIC, _T("音乐"));
	AddDefaultFolder(this, GetFileIcon(_T("桌面")), CSIDL_DESKTOP, _T("桌面"));
	
	//Downloads
	DWORD dwLen = GetLogicalDriveStrings(0, NULL);
	TCHAR* pszDriver = new TCHAR[dwLen];
	GetLogicalDriveStrings(dwLen, pszDriver);
	TCHAR* pszEnd = pszDriver;
	while (*pszEnd != '\0') {
		AddDriver(pszEnd);
		pszEnd += strlen(pszEnd) + 1;
	}
	delete[] pszDriver;

	m_nCurFolderLevel = 0;
	SetRedraw(TRUE);
}


BOOL sw::CSWDirectoryListCtrl::OnNMDblclk(NMHDR* pNMHDR, LRESULT* pResult)
{
	LPNMITEMACTIVATE pNMItemActivate = reinterpret_cast<LPNMITEMACTIVATE>(pNMHDR);
	// TODO: 在此添加控件通知处理程序代码
	*pResult = 0;
	if (pNMItemActivate->iItem >= 0)
	{
		m_strCurFileName.Empty();
		CString strName = GetItemText(pNMItemActivate->iItem, 4);
		
		struct _stat buf;
		int result = _stat(strName, &buf);
		if (_S_IFDIR & buf.st_mode) {
			if (ExpandCurFolder(strName))
				m_nCurFolderLevel++;
		}
		else if (_S_IFREG & buf.st_mode) {
			m_strCurFileName = strName;
			return FALSE;

		}
		else if (strName == _T("返回上一级"))
		{
			BackParentFolder(m_strCurFolder);
		}
	}

	return TRUE;
}

void sw::CSWDirectoryListCtrl::OnNMCustomdraw(NMHDR* pNMHDR, LRESULT* pResult)
{
	LPNMLVCUSTOMDRAW pNMCD = reinterpret_cast<LPNMLVCUSTOMDRAW>(pNMHDR);
	// TODO: 在此添加控件通知处理程序代码
	*pResult = 0;      // Request item-specific notifications if this is the      // beginning of the paint cycle.
	switch (pNMCD->nmcd.dwDrawStage)
	{
		case CDDS_ITEMPREPAINT | CDDS_SUBITEM:
		case CDDS_ITEMPREPAINT:
		{
			// This is the beginning of an item 's paint cycle.          
			LVITEM lvItem;
			int  nItem = static_cast <int> (pNMCD->nmcd.dwItemSpec);
			int nSubItem = pNMCD->iSubItem;
			BOOL bHasFocus = (this->GetSafeHwnd() == ::GetFocus());        
			ZeroMemory(&lvItem, sizeof(LVITEM));
			lvItem.mask = LVIF_IMAGE | LVIF_STATE;
			lvItem.iItem = nItem;
			lvItem.iSubItem = nSubItem;
			lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
			this->GetItem(&lvItem);

			if (lvItem.state & LVIS_SELECTED) {
				if (bHasFocus)
				{
					pNMCD->clrTextBk = GetBkColor();// GetSysColor(COLOR_HIGHLIGHT);
					pNMCD->clrText = GetTextColor()/*GetSysColor(COLOR_HIGHLIGHTTEXT)*/;
				}
				else {
					pNMCD->clrTextBk = RGB(43, 43, 43);// GetSysColor(COLOR_BTNFACE);
					pNMCD->clrText = GetTextColor()/*GetSysColor(COLOR_BTNTEXT)*/;
				}
			}
			else {
				pNMCD->clrTextBk = GetBkColor();// GetSysColor(COLOR_WINDOW);
				pNMCD->clrText = RGB(171, 171, 171)/*GetSysColor(COLOR_BTNTEXT)*/;
			}			

			*pResult |= CDRF_NOTIFYSUBITEMDRAW;
		}
		default:
		{
			*pResult |= CDRF_NOTIFYPOSTPAINT;
			*pResult |= CDRF_NOTIFYITEMDRAW;
			*pResult |= CDRF_NOTIFYSUBITEMDRAW;
		}
	}
}

// OnMeasureItem
void sw::CSWDirectoryListCtrl::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
	// TODO: Add your message handler code here and/or call default
	// 设置列宽显示行高度
	lpMeasureItemStruct->itemHeight = 25;

	CListCtrl::OnMeasureItem(nIDCtl, lpMeasureItemStruct);
}

//////////////////////////////////////////////////////////////////////////
// MeasureItem
void sw::CSWDirectoryListCtrl::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
	// 设置列宽显示行高度
	lpMeasureItemStruct->itemHeight = 25;
}

void sw::CSWDirectoryListCtrl::SetFilter(CString strFilter)
{
	m_strExtFilter = strFilter;
	ExpandCurFolder(m_strCurFolder);
}

CString sw::CSWDirectoryListCtrl::GetFileName()
{
	return m_strCurFileName;
}

详细注释，后期再补上，请见谅！！！