333 lines
12 KiB
C#
333 lines
12 KiB
C#
using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Runtime.InteropServices.ComTypes;
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using System.Text;
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using MediaBrowser.Model.IO;
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namespace Emby.Server.Implementations.IO
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{
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public class LnkShortcutHandler :IShortcutHandler
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{
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public string Extension
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{
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get { return ".lnk"; }
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}
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public string Resolve(string shortcutPath)
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{
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var link = new ShellLink();
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((IPersistFile)link).Load(shortcutPath, NativeMethods.STGM_READ);
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// ((IShellLinkW)link).Resolve(hwnd, 0)
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var sb = new StringBuilder(NativeMethods.MAX_PATH);
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WIN32_FIND_DATA data;
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((IShellLinkW)link).GetPath(sb, sb.Capacity, out data, 0);
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return sb.ToString();
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}
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public void Create(string shortcutPath, string targetPath)
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{
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throw new NotImplementedException();
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}
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}
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/// <summary>
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/// Class NativeMethods
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/// </summary>
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public static class NativeMethods
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{
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/// <summary>
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/// The MA x_ PATH
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/// </summary>
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public const int MAX_PATH = 260;
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/// <summary>
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/// The MA x_ ALTERNATE
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/// </summary>
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public const int MAX_ALTERNATE = 14;
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/// <summary>
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/// The INVALI d_ HANDL e_ VALUE
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/// </summary>
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public static IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
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/// <summary>
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/// The STG m_ READ
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/// </summary>
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public const int STGM_READ = 0;
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}
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/// <summary>
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/// Struct FILETIME
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public struct FILETIME
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{
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/// <summary>
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/// The dw low date time
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/// </summary>
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public uint dwLowDateTime;
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/// <summary>
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/// The dw high date time
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/// </summary>
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public uint dwHighDateTime;
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}
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/// <summary>
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/// Struct WIN32_FIND_DATA
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/// </summary>
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
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public struct WIN32_FIND_DATA
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{
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/// <summary>
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/// The dw file attributes
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/// </summary>
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public FileAttributes dwFileAttributes;
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/// <summary>
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/// The ft creation time
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/// </summary>
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public FILETIME ftCreationTime;
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/// <summary>
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/// The ft last access time
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/// </summary>
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public FILETIME ftLastAccessTime;
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/// <summary>
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/// The ft last write time
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/// </summary>
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public FILETIME ftLastWriteTime;
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/// <summary>
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/// The n file size high
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/// </summary>
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public int nFileSizeHigh;
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/// <summary>
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/// The n file size low
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/// </summary>
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public int nFileSizeLow;
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/// <summary>
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/// The dw reserved0
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/// </summary>
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public int dwReserved0;
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/// <summary>
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/// The dw reserved1
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/// </summary>
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public int dwReserved1;
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/// <summary>
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/// The c file name
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/// </summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NativeMethods.MAX_PATH)]
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public string cFileName;
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/// <summary>
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/// This will always be null when FINDEX_INFO_LEVELS = basic
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/// </summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NativeMethods.MAX_ALTERNATE)]
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public string cAlternate;
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/// <summary>
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/// Gets or sets the path.
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/// </summary>
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/// <value>The path.</value>
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public string Path { get; set; }
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/// <summary>
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/// Returns a <see cref="System.String" /> that represents this instance.
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/// </summary>
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/// <returns>A <see cref="System.String" /> that represents this instance.</returns>
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public override string ToString()
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{
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return Path ?? string.Empty;
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}
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}
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/// <summary>
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/// Enum SLGP_FLAGS
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/// </summary>
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[Flags]
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public enum SLGP_FLAGS
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{
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/// <summary>
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/// Retrieves the standard short (8.3 format) file name
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/// </summary>
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SLGP_SHORTPATH = 0x1,
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/// <summary>
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/// Retrieves the Universal Naming Convention (UNC) path name of the file
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/// </summary>
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SLGP_UNCPRIORITY = 0x2,
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/// <summary>
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/// Retrieves the raw path name. A raw path is something that might not exist and may include environment variables that need to be expanded
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/// </summary>
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SLGP_RAWPATH = 0x4
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}
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/// <summary>
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/// Enum SLR_FLAGS
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/// </summary>
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[Flags]
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public enum SLR_FLAGS
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{
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/// <summary>
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/// Do not display a dialog box if the link cannot be resolved. When SLR_NO_UI is set,
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/// the high-order word of fFlags can be set to a time-out value that specifies the
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/// maximum amount of time to be spent resolving the link. The function returns if the
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/// link cannot be resolved within the time-out duration. If the high-order word is set
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/// to zero, the time-out duration will be set to the default value of 3,000 milliseconds
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/// (3 seconds). To specify a value, set the high word of fFlags to the desired time-out
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/// duration, in milliseconds.
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/// </summary>
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SLR_NO_UI = 0x1,
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/// <summary>
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/// Obsolete and no longer used
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/// </summary>
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SLR_ANY_MATCH = 0x2,
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/// <summary>
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/// If the link object has changed, update its path and list of identifiers.
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/// If SLR_UPDATE is set, you do not need to call IPersistFile::IsDirty to determine
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/// whether or not the link object has changed.
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/// </summary>
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SLR_UPDATE = 0x4,
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/// <summary>
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/// Do not update the link information
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/// </summary>
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SLR_NOUPDATE = 0x8,
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/// <summary>
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/// Do not execute the search heuristics
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/// </summary>
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SLR_NOSEARCH = 0x10,
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/// <summary>
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/// Do not use distributed link tracking
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/// </summary>
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SLR_NOTRACK = 0x20,
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/// <summary>
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/// Disable distributed link tracking. By default, distributed link tracking tracks
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/// removable media across multiple devices based on the volume name. It also uses the
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/// Universal Naming Convention (UNC) path to track remote file systems whose drive letter
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/// has changed. Setting SLR_NOLINKINFO disables both types of tracking.
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/// </summary>
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SLR_NOLINKINFO = 0x40,
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/// <summary>
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/// Call the Microsoft Windows Installer
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/// </summary>
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SLR_INVOKE_MSI = 0x80
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}
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/// <summary>
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/// The IShellLink interface allows Shell links to be created, modified, and resolved
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/// </summary>
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[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("000214F9-0000-0000-C000-000000000046")]
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public interface IShellLinkW
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{
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/// <summary>
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/// Retrieves the path and file name of a Shell link object
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/// </summary>
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/// <param name="pszFile">The PSZ file.</param>
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/// <param name="cchMaxPath">The CCH max path.</param>
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/// <param name="pfd">The PFD.</param>
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/// <param name="fFlags">The f flags.</param>
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void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out WIN32_FIND_DATA pfd, SLGP_FLAGS fFlags);
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/// <summary>
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/// Retrieves the list of item identifiers for a Shell link object
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/// </summary>
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/// <param name="ppidl">The ppidl.</param>
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void GetIDList(out IntPtr ppidl);
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/// <summary>
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/// Sets the pointer to an item identifier list (PIDL) for a Shell link object.
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/// </summary>
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/// <param name="pidl">The pidl.</param>
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void SetIDList(IntPtr pidl);
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/// <summary>
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/// Retrieves the description string for a Shell link object
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/// </summary>
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/// <param name="pszName">Name of the PSZ.</param>
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/// <param name="cchMaxName">Name of the CCH max.</param>
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void GetDescription([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cchMaxName);
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/// <summary>
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/// Sets the description for a Shell link object. The description can be any application-defined string
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/// </summary>
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/// <param name="pszName">Name of the PSZ.</param>
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void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
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/// <summary>
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/// Retrieves the name of the working directory for a Shell link object
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/// </summary>
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/// <param name="pszDir">The PSZ dir.</param>
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/// <param name="cchMaxPath">The CCH max path.</param>
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void GetWorkingDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cchMaxPath);
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/// <summary>
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/// Sets the name of the working directory for a Shell link object
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/// </summary>
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/// <param name="pszDir">The PSZ dir.</param>
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void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
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/// <summary>
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/// Retrieves the command-line arguments associated with a Shell link object
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/// </summary>
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/// <param name="pszArgs">The PSZ args.</param>
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/// <param name="cchMaxPath">The CCH max path.</param>
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void GetArguments([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cchMaxPath);
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/// <summary>
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/// Sets the command-line arguments for a Shell link object
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/// </summary>
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/// <param name="pszArgs">The PSZ args.</param>
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void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
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/// <summary>
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/// Retrieves the hot key for a Shell link object
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/// </summary>
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/// <param name="pwHotkey">The pw hotkey.</param>
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void GetHotkey(out short pwHotkey);
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/// <summary>
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/// Sets a hot key for a Shell link object
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/// </summary>
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/// <param name="wHotkey">The w hotkey.</param>
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void SetHotkey(short wHotkey);
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/// <summary>
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/// Retrieves the show command for a Shell link object
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/// </summary>
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/// <param name="piShowCmd">The pi show CMD.</param>
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void GetShowCmd(out int piShowCmd);
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/// <summary>
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/// Sets the show command for a Shell link object. The show command sets the initial show state of the window.
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/// </summary>
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/// <param name="iShowCmd">The i show CMD.</param>
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void SetShowCmd(int iShowCmd);
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/// <summary>
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/// Retrieves the location (path and index) of the icon for a Shell link object
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/// </summary>
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/// <param name="pszIconPath">The PSZ icon path.</param>
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/// <param name="cchIconPath">The CCH icon path.</param>
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/// <param name="piIcon">The pi icon.</param>
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void GetIconLocation([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath,
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int cchIconPath, out int piIcon);
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/// <summary>
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/// Sets the location (path and index) of the icon for a Shell link object
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/// </summary>
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/// <param name="pszIconPath">The PSZ icon path.</param>
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/// <param name="iIcon">The i icon.</param>
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void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
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/// <summary>
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/// Sets the relative path to the Shell link object
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/// </summary>
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/// <param name="pszPathRel">The PSZ path rel.</param>
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/// <param name="dwReserved">The dw reserved.</param>
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void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
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/// <summary>
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/// Attempts to find the target of a Shell link, even if it has been moved or renamed
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/// </summary>
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/// <param name="hwnd">The HWND.</param>
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/// <param name="fFlags">The f flags.</param>
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void Resolve(IntPtr hwnd, SLR_FLAGS fFlags);
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/// <summary>
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/// Sets the path and file name of a Shell link object
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/// </summary>
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/// <param name="pszFile">The PSZ file.</param>
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void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
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}
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// CLSID_ShellLink from ShlGuid.h
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/// <summary>
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/// Class ShellLink
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/// </summary>
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[
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ComImport,
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Guid("00021401-0000-0000-C000-000000000046")
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]
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public class ShellLink
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{
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}
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}
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