/// <summary>
/// load computer display name and icon
/// </summary>
/// <param name="displayName"></param>
/// <param name="computerIcon"></param>
public static void LoadComputer(out string displayName, out ImageSource computerIcon)
{
try
{
IntPtr ptrIDL = IntPtr.Zero;
var result = ShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, ShellAPI.CSIDL.CSIDL_DRIVES, ref ptrIDL);
if (result != 0)
{
Marshal.ThrowExceptionForHR(result);
}
ShellAPI.SHFILEINFO shellInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI vFlags =
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_PIDL |
ShellAPI.SHGFI.SHGFI_DISPLAYNAME |
ShellAPI.SHGFI.SHGFI_TYPENAME |
ShellAPI.SHGFI.SHGFI_ADDOVERLAYS;
ShellAPI.SHGetFileInfo(ptrIDL, 0, ref shellInfo, (uint)Marshal.SizeOf(shellInfo), vFlags);
displayName = shellInfo.szDisplayName;
computerIcon = GetImageSourceFromIcon(shellInfo.hIcon);
if (shellInfo.hIcon != IntPtr.Zero)
{
User32API.DestroyIcon(shellInfo.hIcon);
shellInfo.hIcon = IntPtr.Zero;
}
}
catch (Exception ex)
{
displayName = string.Empty;
computerIcon = null;
LogHelper.Debug("Application Exception:", ex);
}
}
public static ImageSource LoadDriveIcon(string path)
{
if (path == null)
{
return(null);
}
//TT91027 - The folder's icon doesn't display in the content list while restore the backup job which target is FTP.
//change ftp path '/' to '\' for XP.
path = path.Replace('/', '\\');
ShellAPI.SHFILEINFO shellInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI vFlags =
ShellAPI.SHGFI.SHGFI_LARGEICON |
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES |
ShellAPI.SHGFI.SHGFI_DISPLAYNAME;
ShellAPI.SHGetFileInfo(path, (uint)FileAttributes.Directory, ref shellInfo, (uint)Marshal.SizeOf(shellInfo), vFlags);
var ico = GetImageSourceFromIcon(shellInfo.hIcon);
if (shellInfo.hIcon != IntPtr.Zero)
{
User32API.DestroyIcon(shellInfo.hIcon);
shellInfo.hIcon = IntPtr.Zero;
}
return(ico);
}
/// <summary>
/// This method uses SHGetFileInfo to check whether a path to a directory exists.
/// </summary>
/// <param name="path">The path to check</param>
/// <returns>true if it exists, false otherwise</returns>
private bool PathExists(string path)
{
string realPath = ConvertPath(path);
if (string.IsNullOrEmpty(realPath))
{
return(false);
}
else if (string.Compare(path, "desktop", true) == 0)
{
return(true);
}
string[] pathParts = realPath.Split('\\');
for (int i = 0; i < pathParts.Length; i++)
{
bool found = false;
if (ShellBrowser.DesktopItem.SubFolders.Contains(pathParts[i]))
{
pathParts[i] = ShellItem.GetRealPath(
ShellBrowser.DesktopItem.SubFolders[pathParts[i]]);
found = true;
}
else
{
ShellItem myComp =
ShellBrowser.DesktopItem.SubFolders[ShellBrowser.MyComputerName];
if (myComp.SubFolders.Contains(pathParts[i]))
{
pathParts[i] = ShellItem.GetRealPath(
myComp.SubFolders[pathParts[i]]);
found = true;
}
}
if (!found)
{
break;
}
}
realPath = string.Join("\\", pathParts);
if (realPath.EndsWith(":"))
{
realPath += "\\";
}
ShellAPI.SHFILEINFO info = new ShellAPI.SHFILEINFO();
IntPtr ptr = ShellAPI.SHGetFileInfo(realPath, 0, ref info, ShellAPI.cbFileInfo, ShellAPI.SHGFI.DISPLAYNAME);
bool exists = (ptr != IntPtr.Zero);
Marshal.FreeCoTaskMem(ptr);
return(exists);
}
private void UpdateNodeImage(TreeNode node)
{
int imageIndex = -1;
if (node.Tag != null)
{
ProjectItem item = (ProjectItem)node.Tag;
if (item is Folder || item is ProjectDocumentItem || item is RootItem)
{
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
if (node.IsExpanded)
{
attrs |= ShellAPI.SHGFI.SHGFI_OPENICON;
}
IntPtr handle = ShellAPI.SHGetFileInfo(
System.Windows.Forms.Application.StartupPath,
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
else if (item is DocumentItem)
{
string fileName = ((DocumentItem)item).AbsoluteFileName;
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES | ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
IntPtr handle = ShellAPI.SHGetFileInfo(
fileName,
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
else
{
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES | ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
IntPtr handle = ShellAPI.SHGetFileInfo(
"",
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
node.Text = item.Label;
}
node.ImageIndex = imageIndex;
node.SelectedImageIndex = imageIndex;
}
public static Bitmap GetFileIcon(string name)
{
ShellDll.ShellAPI.SHFILEINFO shinfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(name, ShellAPI.FILE_ATTRIBUTE.NORMAL,
ref shinfo, (int)Marshal.SizeOf(shinfo),
ShellAPI.SHGFI.ICON | ShellAPI.SHGFI.USEFILEATTRIBUTES);
return(Icon.FromHandle(shinfo.hIcon).ToBitmap());
}
public void BuildDriveList()
{
base.Items.Clear();
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI dwAttribs =
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_SYSICONINDEX |
ShellAPI.SHGFI.SHGFI_DISPLAYNAME;
ListDictionary _iconDict = new ListDictionary();
foreach (string drive in System.IO.Directory.GetLogicalDrives())
{
IntPtr m_pHandle = ShellAPI.SHGetFileInfo(drive, ShellAPI.FILE_ATTRIBUTE_NORMAL, ref shInfo, (uint)System.Runtime.InteropServices.Marshal.SizeOf(shInfo), dwAttribs);
if (m_pHandle.Equals(IntPtr.Zero) == false)
{
int idxIcon = 0;
if (_iconDict.Contains(shInfo.iIcon) == false)
{
base.ImageList.Images.Add(System.Drawing.Icon.FromHandle(shInfo.hIcon).Clone() as System.Drawing.Icon);
User32API.DestroyIcon(shInfo.hIcon);
_iconDict.Add(shInfo.iIcon, _iconDict.Count);
idxIcon = _iconDict.Count - 1;
}
else
{
idxIcon = Convert.ToInt32(_iconDict[shInfo.iIcon]);
}
try
{
DriveInfo drv_info = new DriveInfo(shInfo.szDisplayName.Substring(shInfo.szDisplayName.IndexOf("(") + 1, 1));
if (drv_info.DriveType == DriveType.CDRom)
{
ImageComboItem item = new ImageComboItem(shInfo.szDisplayName, idxIcon, false);
item.ItemValue = drive;
base.Items.Add(item);
}
}
catch
{
}
}
}
if (base.Items.Count != 0)
{
base.SelectedIndex = 0;
}
}
static ShellImageList()
{
imageTable = new Hashtable();
ShellAPI.SHGFI flag = ShellAPI.SHGFI.USEFILEATTRIBUTES | ShellAPI.SHGFI.SYSICONINDEX | ShellAPI.SHGFI.SMALLICON;
ShellAPI.SHFILEINFO shfiSmall = new ShellAPI.SHFILEINFO();
smallImageListHandle = ShellAPI.SHGetFileInfo(".txt", ShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiSmall, ShellAPI.cbFileInfo, flag);
flag = ShellAPI.SHGFI.USEFILEATTRIBUTES | ShellAPI.SHGFI.SYSICONINDEX | ShellAPI.SHGFI.LARGEICON;
ShellAPI.SHFILEINFO shfiLarge = new ShellAPI.SHFILEINFO();
largeImageListHandle = ShellAPI.SHGetFileInfo(".txt", ShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiLarge, ShellAPI.cbFileInfo, flag);
}
/// <summary>
/// Load file icon, file type from shell
/// </summary>
/// <param name="path">The path.</param>
/// <param name="attributes">The attr.</param>
public static System.Windows.Media.ImageSource LoadFileInfo(string path, out string typeName)
{
FileAttributes attributes;
if (CommonProvider.Directory.Exists(path))
{
attributes = FileAttributes.Directory;
}
else if (CommonProvider.File.Exists(path))
{
attributes = FileAttributes.Normal;
}
else
{
typeName = string.Empty;
return(null);
}
typeName = string.Empty;
if (path == null)
{
return(null);
}
//TT91027 - The folder's icon doesn't display in the content list while restore the backup job which target is FTP.
//change ftp path '/' to '\' for XP.
path = path.Replace('/', '\\');
ShellAPI.SHFILEINFO shellInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI vFlags =
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES |
ShellAPI.SHGFI.SHGFI_TYPENAME;
ShellAPI.SHGetFileInfo(path, (uint)attributes, ref shellInfo, (uint)Marshal.SizeOf(shellInfo), vFlags);
var ico = GetImageSourceFromIcon(shellInfo.hIcon);
//displayName = shellInfo.szDisplayName;
if (shellInfo.hIcon != IntPtr.Zero)
{
User32API.DestroyIcon(shellInfo.hIcon);
shellInfo.hIcon = IntPtr.Zero;
}
typeName = shellInfo.szTypeName;
if (ico == null && attributes == FileAttributes.Directory)
{
ico = DefaultFolderImage;
}
return(ico);
}
protected static ShellDll.ShellAPI.SFGAO shGetFileAttribute(PIDL pidl, ShellDll.ShellAPI.SFGAO lookup)
{
ShellAPI.SHFILEINFO shfi = new ShellAPI.SHFILEINFO();
shfi.dwAttributes = ShellAPI.SFGAO.READONLY | ShellAPI.SFGAO.HIDDEN | ShellAPI.SFGAO.BROWSABLE |
ShellAPI.SFGAO.FILESYSTEM | ShellAPI.SFGAO.HASSUBFOLDER;
ShellAPI.SHGFI dwFlag = ShellAPI.SHGFI.PIDL | ShellAPI.SHGFI.ATTRIBUTES | ShellAPI.SHGFI.ATTR_SPECIFIED | ShellAPI.SHGFI.USEFILEATTRIBUTES;
ShellAPI.FILE_ATTRIBUTE dwAttr = 0;
int cbFileInfo = Marshal.SizeOf(shfi.GetType());
IntPtr retPtr = ShellAPI.SHGetFileInfo(pidl.Ptr, dwAttr, ref shfi, cbFileInfo, dwFlag);
if (retPtr.ToInt32() != ShellAPI.S_OK && retPtr.ToInt32() != 1)
{
Marshal.ThrowExceptionForHR(retPtr.ToInt32());
}
return(shfi.dwAttributes);
}
/// <summary>
/// Load file icon
/// </summary>
/// <param name="path">The path.</param>
/// <param name="attributes">The attr.</param>
public static ImageSource LoadFileInfo(string path, FileAttributes attributes)
{
if (path == null)
{
return(null);
}
if (attributes == FileAttributes.Normal)
{
if (!CommonProvider.File.Exists(path))
{
path = Path.GetFileName(path);
}
}
//TT91027 - The folder's icon doesn't display in the content list while restore the backup job which target is FTP.
//change ftp path '/' to '\' for XP.
path = path.Replace('/', '\\');
ShellAPI.SHFILEINFO shellInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI vFlags =
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES;
ShellAPI.SHGetFileInfo(path, (uint)attributes, ref shellInfo, (uint)Marshal.SizeOf(shellInfo), vFlags);
var ico = GetImageSourceFromIcon(shellInfo.hIcon);
if (shellInfo.hIcon != IntPtr.Zero)
{
User32API.DestroyIcon(shellInfo.hIcon);
shellInfo.hIcon = IntPtr.Zero;
}
if (ico == null && attributes == FileAttributes.Directory)
{
ico = DefaultFolderImage;
}
return(ico);
}
private void InitVars()
{
IntPtr tempPidl;
ShellAPI.SHFILEINFO info;
//My Computer
info = new ShellAPI.SHFILEINFO();
tempPidl = IntPtr.Zero;
ShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, ShellAPI.CSIDL.DRIVES, out tempPidl);
ShellAPI.SHGetFileInfo(tempPidl, 0, ref info, ShellAPI.cbFileInfo,
ShellAPI.SHGFI.PIDL | ShellAPI.SHGFI.DISPLAYNAME | ShellAPI.SHGFI.TYPENAME);
sysfolderName = info.szTypeName;
mycompName = info.szDisplayName;
Marshal.FreeCoTaskMem(tempPidl);
//
//Dekstop
tempPidl = IntPtr.Zero;
desktopItem = new ShellItem(this, ShellAPI.CSIDL.DESKTOP);
desktopItem.Expand(true, true, IntPtr.Zero);
//
myComputerItem = desktopItem.SubFolders[MyComputerName];
//My Documents
uint pchEaten = 0;
ShellAPI.SFGAO pdwAttributes = 0;
desktopItem.ShellFolder.ParseDisplayName(
IntPtr.Zero,
IntPtr.Zero,
"::{450d8fba-ad25-11d0-98a8-0800361b1103}",
ref pchEaten,
out tempPidl,
ref pdwAttributes);
info = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(tempPidl, 0, ref info, ShellAPI.cbFileInfo,
ShellAPI.SHGFI.PIDL | ShellAPI.SHGFI.DISPLAYNAME);
mydocsName = info.szDisplayName;
Marshal.FreeCoTaskMem(tempPidl);
StringBuilder path = new StringBuilder(ShellAPI.MAX_PATH);
ShellAPI.SHGetFolderPath(
IntPtr.Zero, ShellAPI.CSIDL.PERSONAL,
IntPtr.Zero, ShellAPI.SHGFP.TYPE_CURRENT, path);
mydocsPath = path.ToString();
//
pchEaten = 0;
pdwAttributes = 0;
desktopItem.ShellFolder.ParseDisplayName(
IntPtr.Zero,
IntPtr.Zero,
"::{645FF040-5081-101B-9F08-00AA002F954E}",
ref pchEaten,
out tempPidl,
ref pdwAttributes);
info = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(tempPidl, 0, ref info, ShellAPI.cbFileInfo,
ShellAPI.SHGFI.PIDL | ShellAPI.SHGFI.DISPLAYNAME);
recycleBinName = info.szDisplayName;
Marshal.FreeCoTaskMem(tempPidl);
}
/// <summary>
/// Get type and icon associated with given file/directory
/// </summary>
///
public static bool GetFileInfo(string path, FileAttributes attr, ref ImageSource imageSource, ref string type)
{
ShellAPI.SHFILEINFO shellInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI vFlags =
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_ICON |
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES |
ShellAPI.SHGFI.SHGFI_DISPLAYNAME |
ShellAPI.SHGFI.SHGFI_TYPENAME;
ShellAPI.SHGetFileInfo(path, (uint)attr, ref shellInfo, (uint)Marshal.SizeOf(shellInfo), vFlags);
// (1) Type
type = shellInfo.szTypeName;
// (2) Image Source.
imageSource = null;
if (shellInfo.hIcon != null)
{
try
{
MemoryStream memStream = new MemoryStream();
((System.Drawing.Bitmap)System.Drawing.Icon.FromHandle(shellInfo.hIcon).ToBitmap()).
Save(memStream, System.Drawing.Imaging.ImageFormat.Png);
memStream.Seek(0, SeekOrigin.Begin);
PngBitmapDecoder pngBmpDecoder = new PngBitmapDecoder(memStream,
BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.Default);
imageSource = pngBmpDecoder.Frames[0];
//User32API.DestroyIcon(shellInfo.hIcon);
}
catch (Exception exp)
{
//Debug.Assert(false, exp.Message);
}
return true;
}
return false;
}
internal static void SetIconIndex(ShellItem item, int index, bool SelectedIcon)
{
bool HasOverlay = false; //true if it's an overlay
int rVal = 0; //The returned Index
ShellAPI.SHGFI dwflag = ShellAPI.SHGFI.SYSICONINDEX | ShellAPI.SHGFI.PIDL | ShellAPI.SHGFI.ICON;
ShellAPI.FILE_ATTRIBUTE dwAttr = 0;
//build Key into HashTable for this Item
int Key = index * 256;
if (item.IsLink)
{
Key = Key | 1;
dwflag = dwflag | ShellAPI.SHGFI.LINKOVERLAY;
HasOverlay = true;
}
if (item.IsShared)
{
Key = Key | 2;
dwflag = dwflag | ShellAPI.SHGFI.ADDOVERLAYS;
HasOverlay = true;
}
if (SelectedIcon)
{
Key = Key | 4;
dwflag = dwflag | ShellAPI.SHGFI.OPENICON;
HasOverlay = true; //not really an overlay, but handled the same
}
if (imageTable.ContainsKey(Key))
{
rVal = (int)imageTable[Key];
}
else if (!HasOverlay && !item.IsHidden) //for non-overlay icons, we already have
{
rVal = (int)System.Math.Floor((double)Key / 256); // the right index -- put in table
imageTable[Key] = rVal;
}
else //don't have iconindex for an overlay, get it.
{
if (item.IsFileSystem & !item.IsDisk & !item.IsFolder)
{
dwflag = dwflag | ShellAPI.SHGFI.USEFILEATTRIBUTES;
dwAttr = dwAttr | ShellAPI.FILE_ATTRIBUTE.NORMAL;
}
PIDL pidlFull = item.PIDLFull;
ShellAPI.SHFILEINFO shfiSmall = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiSmall, ShellAPI.cbFileInfo, dwflag | ShellAPI.SHGFI.SMALLICON);
ShellAPI.SHFILEINFO shfiLarge = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiLarge, ShellAPI.cbFileInfo, dwflag | ShellAPI.SHGFI.LARGEICON);
Marshal.FreeCoTaskMem(pidlFull.Ptr);
lock (imageTable)
{
rVal = ShellAPI.ImageList_ReplaceIcon(smallImageListHandle, -1, shfiSmall.hIcon);
ShellAPI.ImageList_ReplaceIcon(largeImageListHandle, -1, shfiLarge.hIcon);
}
ShellAPI.DestroyIcon(shfiSmall.hIcon);
ShellAPI.DestroyIcon(shfiLarge.hIcon);
imageTable[Key] = rVal;
}
if (SelectedIcon)
{
item.SelectedImageIndex = rVal;
}
else
{
item.ImageIndex = rVal;
}
}
