/// <summary>
/// Gets the icon as an <see cref="ImageSource"/> for the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="info">The shell file info.</param>
/// <returns>The icon as an <see cref="ImageSource"/> for the specified path.</returns>
public static ImageSource GetImageSource(string path, out Win32.SHFILEINFO info)
{
info = new Win32.SHFILEINFO();
int attr;
if (Directory.Exists(path))
attr = (int)Win32.FILE_ATTRIBUTE_DIRECTORY;
else if (File.Exists(path))
attr = (int)Win32.FILE_ATTRIBUTE_NORMAL;
else if (path.Length == 3) // drive not ready
attr = (int)Win32.FILE_ATTRIBUTE_DIRECTORY;
else
return null;
Win32.SHGetFileInfo(path, attr, out info, (uint)Marshal.SizeOf(typeof(Win32.SHFILEINFO)), Win32.SHGFI_DISPLAYNAME | Win32.SHGFI_ICON | Win32.SHGFI_TYPENAME | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);
ImageSource img = null;
if (info.hIcon != IntPtr.Zero)
{
using (Icon icon = Icon.FromHandle(info.hIcon))
{
img = Imaging.CreateBitmapSourceFromHIcon(icon.Handle, new Int32Rect(0, 0, icon.Width, icon.Height), BitmapSizeOptions.FromEmptyOptions());
}
Win32.DestroyIcon(info.hIcon);
}
return img;
}
// ファイルに関連付くアイコンの取得
private Icon GetFileIcon(string path)
{
var shinfo = new Win32.SHFILEINFO();
IntPtr hSuccess = Win32.SHGetFileInfo(path, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), Win32.SHGFI_ICON);
if (hSuccess != IntPtr.Zero)
{
return(Icon.FromHandle(shinfo.hIcon));
}
return(null);
}
private void Form1_Load(object sender, EventArgs e)
{
var shinfo = new Win32.SHFILEINFO();
Win32.SHGetFileInfo("0000000000.DOCX", 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);
var icon = (Icon)Icon.FromHandle(shinfo.hIcon).Clone();
Win32.DestroyIcon(shinfo.hIcon);
this.BackgroundImage = icon.ToBitmap();
icon.Dispose();
}
/// <summary>
/// Get the associated Icon for a file or application, this method always returns
/// an icon. If the strPath is invalid or there is no icon, the default icon is returned.
/// </summary>
public static Icon GetFolderIcon(String path, Boolean small, Boolean overlays)
{
Win32.SHFILEINFO info = new Win32.SHFILEINFO(true);
Int32 cbFileInfo = Marshal.SizeOf(info);
Win32.SHGFI flags = Win32.SHGFI.Icon | Win32.SHGFI.UseFileAttributes;
if (small) flags |= Win32.SHGFI.SmallIcon; else flags |= Win32.SHGFI.LargeIcon;
if (overlays) flags |= Win32.SHGFI.AddOverlays; // Get overlays too...
Win32.SHGetFileInfo(path, 0x00000010, out info, (UInt32)cbFileInfo, flags);
Icon icon = (Icon)Icon.FromHandle(info.hIcon).Clone();
Win32.DestroyIcon(info.hIcon);
return icon;
}
/// <summary>
/// Returns the shell display name of the specified path.
/// If the path is nonexistent or it is failed, the file name returned by the Path.GetFileName method is returned.
/// </summary>
/// <param name="path">The path to evaluate. Null is not allowed.</param>
/// <returns>The shell display name if it succeeds; otherwise, the file name returned by the Path.GetFileName method.</returns>
public static string GetDisplayName(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
// Calls the SHGetFileInfo function.
Win32.SHFILEINFO shFileInfo = new Win32.SHFILEINFO();
if (Win32.SHGetFileInfo(path, 0, ref shFileInfo, (uint)Win32.SizeOfSHFILEINFO, Win32.SHGFI_DISPLAYNAME) == IntPtr.Zero)
{
return(Path.GetFileName(path));
}
// Returns the shell display name.
return(shFileInfo.szDisplayName);
}
/// <summary>
/// Get the associated Icon for a file or application, this method always returns
/// an icon. If the strPath is invalid or there is no icon, the default icon is returned.
/// </summary>
public static Icon GetFolderIcon(String path, Boolean small, Boolean overlays)
{
Win32.SHFILEINFO info = new Win32.SHFILEINFO(true);
Int32 cbFileInfo = Marshal.SizeOf(info);
Win32.SHGFI flags = Win32.SHGFI.Icon | Win32.SHGFI.UseFileAttributes;
if (small)
{
flags |= Win32.SHGFI.SmallIcon;
}
else
{
flags |= Win32.SHGFI.LargeIcon;
}
if (overlays)
{
flags |= Win32.SHGFI.AddOverlays; // Get overlays too...
}
Win32.SHGetFileInfo(path, 0x00000010, out info, (UInt32)cbFileInfo, flags);
Icon icon = (Icon)Icon.FromHandle(info.hIcon).Clone();
Win32.DestroyIcon(info.hIcon);
return(icon);
}
//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.Remove(dir.Name.LastIndexOf("."));
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.Remove(fi.Name.LastIndexOf("."));
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
{
MessageBox.Show("发生未知错误", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public void GetListViewItem(string path, ImageList imglist, ListView lv)//获取指定路径下所有文件及其图标
{
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.Remove(dir.Name.LastIndexOf("."));
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.Remove(fi.Name.LastIndexOf("."));
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
{
MessageBox.Show("发生未知错误", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private void LoadFiles()
{
lstFiles.BeginUpdate();
lstFiles.Items.Clear();
if (treDirectories.SelectedNode.Tag is IEnumerable <ArchiveFileInfo> files)
{
foreach (var file in files)
{
// Get the items from the file system, and add each of them to the ListView,
// complete with their corresponding name and icon indices.
var ext = Path.GetExtension(file.FileName).ToLower();
var kuriimuFile = ext.Length > 0 && _textExtensions.Contains(ext);
var kukkiiFile = ext.Length > 0 && _imageExtensions.Contains(ext);
var karameruFile = ext.Length > 0 && _archiveExtensions.Contains(ext);
var shfi = new Win32.SHFILEINFO();
try
{
if (!imlFiles.Images.ContainsKey(ext) && !string.IsNullOrEmpty(ext))
{
Win32.SHGetFileInfo(ext, 0, out shfi, Marshal.SizeOf(shfi), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);
imlFiles.Images.Add(ext, Icon.FromHandle(shfi.hIcon));
}
}
finally
{
if (shfi.hIcon != IntPtr.Zero)
{
Win32.DestroyIcon(shfi.hIcon);
}
}
try
{
if (!imlFilesLarge.Images.ContainsKey(ext) && !string.IsNullOrEmpty(ext))
{
Win32.SHGetFileInfo(ext, 0, out shfi, Marshal.SizeOf(shfi), Win32.SHGFI_ICON | Win32.SHGFI_LARGEICON | Win32.SHGFI_USEFILEATTRIBUTES);
imlFilesLarge.Images.Add(ext, Icon.FromHandle(shfi.hIcon));
}
}
finally
{
if (shfi.hIcon != IntPtr.Zero)
{
Win32.DestroyIcon(shfi.hIcon);
}
}
if (kuriimuFile)
{
ext = "tree-text-file";
}
if (kukkiiFile)
{
ext = "tree-image-file";
}
if (karameruFile)
{
ext = "tree-archive-file";
}
var sb = new StringBuilder(16);
Win32.StrFormatByteSize((long)file.FileSize, sb, 16);
lstFiles.Items.Add(new ListViewItem(new[] { Path.GetFileName(file.FileName), sb.ToString() }, ext, StateToColor(file.State), Color.Transparent, lstFiles.Font)
{
Tag = file
});
}
tslFileCount.Text = $"Files: {files.Count()}";
}
lstFiles.EndUpdate();
}
/// <summary>
/// Returns a fronzen ImageSource that is the shell icon of the specified path.
/// </summary>
/// <param name="path">The file/folder relative/abolute path. Nonexistent path is allowed. Null is not allowed.</param>
/// <param name="shellIconSize">The icon size.</param>
/// <param name="includeOverlay">Whether the overlay is displayed or not. It is ignored except these icon sizes: ShellIconSize.ShellSized, ShellIconSize.Small, ShellIconSize.Large.</param>
/// <param name="includeLinkOverlay">Whether the link overlay is displayed or not. It is ignored except these icon sizes: ShellIconSize.ShellSized, ShellIconSize.Small, ShellIconSize.Large.</param>
/// <param name="isOpen">Whether the open icon is returned or not.</param>
/// <param name="isSelected">Whether the selected icon is returned or not.</param>
/// <returns>A frozen ImageSource that is the shell icon.</returns>
public static ImageSource GetIcon(string path, ShellIconSize shellIconSize, bool includeOverlay = false, bool includeLinkOverlay = false, bool isOpen = false, bool isSelected = false)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
// Creates a uFlags for the SHGetFileInfo function.
uint uFlags = Win32.SHGFI_ICON | Win32.SHGFI_USEFILEATTRIBUTES;
if (includeOverlay)
{
uFlags |= Win32.SHGFI_ADDOVERLAYS;
}
if (includeLinkOverlay)
{
uFlags |= Win32.SHGFI_LINKOVERLAY;
}
if (isOpen)
{
uFlags |= Win32.SHGFI_OPENICON;
}
if (isSelected)
{
uFlags |= Win32.SHGFI_SELECTED;
}
// Whether the shFileInfo structure's hIcon handle can be used to make the requested sized icon.
bool isShFileInfoEnough = false;
if (shellIconSize == ShellIconSize.ShellSized)
{
uFlags |= Win32.SHGFI_SHELLICONSIZE;
isShFileInfoEnough = true;
}
else if (shellIconSize == ShellIconSize.Small)
{
uFlags |= Win32.SHGFI_SMALLICON;
isShFileInfoEnough = true;
}
else if (shellIconSize == ShellIconSize.Large)
{
uFlags |= Win32.SHGFI_LARGEICON;
isShFileInfoEnough = true;
}
// Creates a dwFileAttributes for the SHGetFileInfo function.
uint dwFileAttributes = Win32.FILE_ATTRIBUTE_NORMAL;
if (Directory.Exists(path))
{
dwFileAttributes |= Win32.FILE_ATTRIBUTE_DIRECTORY;
}
// Calls the SHGetFileInfo function.
Win32.SHFILEINFO shFileInfo = new Win32.SHFILEINFO();
if (Win32.SHGetFileInfo(path, dwFileAttributes, ref shFileInfo, (uint)Win32.SizeOfSHFILEINFO, uFlags) == IntPtr.Zero)
{
throw new Exception("SHGetFileInfo function has failed.");
}
try
{
// If shFileInfo's hIcon is enough
if (isShFileInfoEnough)
{
return(ToImageSource(shFileInfo.hIcon));
}
}
finally
{
// Releases the icon handle.
if (shFileInfo.hIcon != IntPtr.Zero)
{
if (Win32.DestroyIcon(shFileInfo.hIcon) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
shFileInfo.hIcon = IntPtr.Zero;
}
}
// A iImageList for the SHGetImageList function.
int iImageList;
switch (shellIconSize)
{
case ShellIconSize.SystemSmall:
iImageList = Win32.SHIL_SYSSMALL;
break;
case ShellIconSize.ExtraLarge:
iImageList = Win32.SHIL_EXTRALARGE;
break;
case ShellIconSize.Jumbo:
iImageList = Win32.SHIL_JUMBO;
break;
default:
throw new InvalidOperationException(string.Format("The ShellIconSize.{0} is unknown.", shellIconSize));
}
// Gets a image list.
Guid IID_IImageList = Win32.IID_IImageList;
IntPtr hImageList = IntPtr.Zero;
Marshal.ThrowExceptionForHR(Win32.SHGetImageList(iImageList, ref IID_IImageList, ref hImageList));
// Gets an icon handle from the image list.
IntPtr hIcon = Win32.ImageList_GetIcon(hImageList, shFileInfo.iIcon, Win32.ILD_TRANSPARENT);
if (hIcon == IntPtr.Zero)
{
throw new Exception("ImageList_GetIcon function has failed.");
}
// TODO: Show overlay on the image list icon.
try
{
// Returns the ImageSource.
return(ToImageSource(hIcon));
}
finally
{
// Releases the icon handle.
if (Win32.DestroyIcon(hIcon) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
}
