public static IResolveLink Create(ShellLink link)
{
if (link == null)
{
throw new ArgumentNullException();
}
string targetPath = GetTargetPath(link);
return (string.IsNullOrEmpty(targetPath) ? null : ((IResolveLink) new ResolveShellLink(link, targetPath)));
}
public static IResolveLink ResolveShellLink(ShellLink link)
{
if (link == null)
{
throw new ArgumentNullException("link");
}
IntPtr idList = link.IdList;
if (idList != IntPtr.Zero)
{
try
{
SafeShellItem item = new SafeShellItem(idList);
IVirtualItem target = ShellFolder.CreateShellItem(item, item.GetAttributesOf(SFGAO.SFGAO_FOLDER | SFGAO.SFGAO_STREAM), null);
if (target != null)
{
return new Nomad.FileSystem.Virtual.ResolveShellLink(link, target);
}
}
catch (ArgumentException)
{
}
}
return null;
}
internal ResolveShellLink(ShellLink link, string targetPath)
{
this.FTargetPath = targetPath;
this.Initialize(link);
}
private void Initialize(ShellLink link)
{
this.FHotkey = link.Hotkey;
this.FDescription = link.Description;
}
internal ResolveShellLink(ShellLink link, IVirtualItem target)
{
this.FTarget = target;
this.Initialize(link);
}
private static string GetTargetPath(ShellLink link)
{
string path = link.Path;
if (string.IsNullOrEmpty(path))
{
IntPtr idList = link.IdList;
if (!(idList != IntPtr.Zero))
{
return path;
}
IShellFolder desktopFolder = ShellItem.GetDesktopFolder();
try
{
path = desktopFolder.GetDisplayNameOf(idList, SHGNO.SHGDN_FORPARSING);
}
catch (ArgumentException)
{
}
finally
{
Marshal.ReleaseComObject(desktopFolder);
}
}
return path;
}
public static IResolveLink ResolveShellLink(ShellLink link)
{
if (link == null)
{
throw new ArgumentNullException("link");
}
string path = null;
IShellFolder desktopFolder = ShellItem.GetDesktopFolder();
try
{
IntPtr idList = link.IdList;
if (idList == IntPtr.Zero)
{
return null;
}
path = desktopFolder.GetDisplayNameOf(idList, SHGNO.SHGDN_FORPARSING);
if (path != null)
{
switch (PathHelper.GetPathType(path))
{
case PathType.NetworkServer:
case PathType.NetworkShare:
return new Nomad.FileSystem.Virtual.ResolveShellLink(link, path);
}
if (OS.IsWinVista && string.Equals(path, Microsoft.Shell.Shell32.GetClsidFolderParseName(CLSID.CLSID_NETWORK), StringComparison.OrdinalIgnoreCase))
{
return new Nomad.FileSystem.Virtual.ResolveShellLink(link, UriScheme + Uri.SchemeDelimiter + "./");
}
}
StringBuilder builder = new StringBuilder();
ITEMIDLIST itemidlist = ITEMIDLIST.FromPidl(idList);
IntPtr pidl = Marshal.AllocCoTaskMem(itemidlist.Size);
try
{
for (int i = 0; i < itemidlist.mkid.Length; i++)
{
itemidlist.ToPidl(pidl, i + 1);
string a = desktopFolder.GetDisplayNameOf(pidl, SHGNO.SHGDN_FORPARSING);
switch (i)
{
case 0:
if (string.Equals(a, Microsoft.Shell.Shell32.GetClsidFolderParseName(CLSID.CLSID_NETWORK_NEIGHBORHOOD), StringComparison.OrdinalIgnoreCase))
{
break;
}
return null;
case 1:
if (!(a != "EntireNetwork"))
{
continue;
}
return null;
case 2:
{
builder.Append(a);
builder.Append('/');
continue;
}
case 3:
{
builder.Append(a);
builder.Append('/');
continue;
}
default:
return null;
}
builder.Append(UriScheme);
builder.Append(Uri.SchemeDelimiter);
builder.Append('.');
builder.Append('/');
}
path = builder.ToString();
if (path.Length > 0)
{
return new Nomad.FileSystem.Virtual.ResolveShellLink(link, path);
}
}
finally
{
Marshal.FreeCoTaskMem(pidl);
}
}
catch (ArgumentException)
{
}
finally
{
Marshal.ReleaseComObject(desktopFolder);
}
return null;
}
protected override Image GetShellLinkIcon(ShellLink link, ref Size size)
{
string str;
int num;
link.GetIconLocation(out str, out num);
if (!string.IsNullOrEmpty(str))
{
IconLocation iconLocation = new IconLocation(Environment.ExpandEnvironmentVariables(str), num);
return LoadIconFromLocation2(iconLocation, ref size);
}
return null;
}
protected Image GetShellLinkIcon(string fileName, ref Size size)
{
Image shellLinkIcon = null;
try
{
string path = null;
using (ShellLink link = new ShellLink(fileName))
{
shellLinkIcon = this.GetShellLinkIcon(link, ref size);
if (shellLinkIcon != null)
{
return shellLinkIcon;
}
path = link.Path;
if (string.IsNullOrEmpty(path))
{
IShellFolder desktopFolder = ShellItem.GetDesktopFolder();
try
{
path = desktopFolder.GetDisplayNameOf(link.IdList, SHGNO.SHGDN_FORPARSING);
}
finally
{
Marshal.ReleaseComObject(desktopFolder);
}
}
}
if (!string.IsNullOrEmpty(path))
{
switch (PathHelper.GetPathType(path))
{
case PathType.Volume:
return this.GetDriveIcon(new DriveInfo(path), size);
case PathType.Folder:
case PathType.File:
return shellLinkIcon;
case (PathType.Folder | PathType.Volume):
return this.GetFolderIcon(path, size);
case (PathType.File | PathType.Volume):
if (!Directory.Exists(path))
{
goto Label_0125;
}
return this.GetFolderIcon(path, size);
case PathType.NetworkServer:
return this.GetDefaultIcon(DefaultIcon.NetworkServer, size);
case PathType.NetworkShare:
return this.GetDefaultIcon(DefaultIcon.NetworkFolder, size);
}
}
return shellLinkIcon;
Label_0125:
shellLinkIcon = this.GetFileIcon(path, size);
}
catch (Exception exception)
{
Nomad.Trace.Error.TraceException(TraceEventType.Error, exception);
}
return shellLinkIcon;
}
protected virtual Image GetShellLinkIcon(ShellLink link, ref Size size)
{
return null;
}