//获取指定路径下所有文件及其图标
public void GetListViewItem(string path, ImageList imglist, ListView lv)
{
lv.Items.Clear();
Win32.SHFILEINFO shfi = new Win32.SHFILEINFO();
try
{
string[] dirs = Directory.GetDirectories(path);
string[] files = Directory.GetFiles(path);
for (int i = 0; i < dirs.Length; i++)
{
string[] info = new string[4];
DirectoryInfo dir = new DirectoryInfo(dirs[i]);
if (dir.Name == "RECYCLER" || dir.Name == "RECYCLED" || dir.Name == "Recycled" || dir.Name == "System Volume Information")
{
}
else
{
//获得图标
Win32.SHGetFileInfo(dirs[i],
(uint)0x80,
ref shfi,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi),
(uint)(0x100 | 0x400)); //取得Icon和TypeName
//添加图标
imglist.Images.Add(dir.Name, (Icon)Icon.FromHandle(shfi.hIcon).Clone());
info[0] = dir.Name;
info[1] = "";
info[2] = "文件夹";
info[3] = dir.LastWriteTime.ToString();
ListViewItem item = new ListViewItem(info, dir.Name);
lv.Items.Add(item);
//销毁图标
Win32.DestroyIcon(shfi.hIcon);
}
}
for (int i = 0; i < files.Length; i++)
{
string[] info = new string[4];
FileInfo fi = new FileInfo(files[i]);
string Filetype = fi.Name.Substring(fi.Name.LastIndexOf(".") + 1, fi.Name.Length - fi.Name.LastIndexOf(".") - 1);
string newtype = Filetype.ToLower();
if (newtype == "sys" || newtype == "ini" || newtype == "bin" || newtype == "log" || newtype == "com" || newtype == "bat" || newtype == "db")
{
}
else
{
//获得图标
Win32.SHGetFileInfo(files[i],
(uint)0x80,
ref shfi,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi),
(uint)(0x100 | 0x400)); //取得Icon和TypeName
//添加图标
imglist.Images.Add(fi.Name, (Icon)Icon.FromHandle(shfi.hIcon).Clone());
info[0] = fi.Name;
info[1] = fi.Length.ToString();
info[2] = fi.Extension.ToString();
info[3] = fi.LastWriteTime.ToString();
ListViewItem item = new ListViewItem(info, fi.Name);
lv.Items.Add(item);
//销毁图标
Win32.DestroyIcon(shfi.hIcon);
}
}
}
catch
{
}
}
/// 给出文件扩展名（.*），返回相应图标
/// 若不以"."开头则返回文件夹的图标。
public Icon GetIconByFileType(string fileType, bool isLarge)
{
if (fileType == null || fileType.Equals(string.Empty))
{
return(null);
}
RegistryKey regVersion = null;
string regFileType = null;
string regIconString = null;
string systemDirectory = Environment.SystemDirectory + "\\";
if (fileType[0] == '.')
{
//读系统注册表中文件类型信息
regVersion = Registry.ClassesRoot.OpenSubKey(fileType, true);
if (regVersion != null)
{
regFileType = regVersion.GetValue("") as string;
regVersion.Close();
regVersion = Registry.ClassesRoot.OpenSubKey(regFileType + @"\DefaultIcon", true);
if (regVersion != null)
{
regIconString = regVersion.GetValue("") as string;
regVersion.Close();
}
}
if (regIconString == null)
{
//没有读取到文件类型注册信息，指定为未知文件类型的图标
regIconString = systemDirectory + "shell32.dll,0";
}
}
else
{
//直接指定为文件夹图标
regIconString = systemDirectory + "shell32.dll,3";
}
string[] fileIcon = regIconString.Split(new char[] { ',' });
if (fileIcon.Length != 2)
{
//系统注册表中注册的标图不能直接提取，则返回可执行文件的通用图标
fileIcon = new string[] { systemDirectory + "shell32.dll", "2" };
}
Icon resultIcon = null;
try
{
//调用API方法读取图标
int[] phiconLarge = new int[1];
int[] phiconSmall = new int[1];
uint count = Win32.ExtractIconEx(fileIcon[0], Int32.Parse(fileIcon[1]), phiconLarge, phiconSmall, 1);
IntPtr IconHnd = new IntPtr(isLarge ? phiconLarge[0] : phiconSmall[0]);
resultIcon = Icon.FromHandle(IconHnd);
}
catch
{
fileIcon = new string[] { systemDirectory + "shell32.dll", "2" };
//调用API方法读取图标
int[] phiconLarge = new int[1];
int[] phiconSmall = new int[1];
uint count = Win32.ExtractIconEx(fileIcon[0], Int32.Parse(fileIcon[1]), phiconLarge, phiconSmall, 1);
IntPtr IconHnd = new IntPtr(isLarge ? phiconLarge[0] : phiconSmall[0]);
resultIcon = Icon.FromHandle(IconHnd);
}
return(resultIcon);
}
