mirror of https://github.com/dahall/Vanara.git
Fixed parameters of functions in INamespaceWalk
parent
393ee76ce9
commit
902ccfeeeb
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@ -217,7 +217,7 @@ namespace Vanara.PInvoke
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// https://docs.microsoft.com/en-us/windows/desktop/api/shobjidl_core/nf-shobjidl_core-inamespacewalk-walk HRESULT Walk( IUnknown
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// *punkToWalk, DWORD dwFlags, int cDepth, INamespaceWalkCB *pnswcb );
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[PreserveSig]
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HRESULT Walk([In, MarshalAs(UnmanagedType.IUnknown)] object punkToWalk, NAMESPACEWALKFLAG dwFlags, int cDepth, [In] INamespaceWalkCB pnswcb);
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HRESULT Walk([In, MarshalAs(UnmanagedType.IUnknown)] object punkToWalk, NAMESPACEWALKFLAG dwFlags, int cDepth, [In, Optional] INamespaceWalkCB pnswcb);
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/// <summary>Gets a list of objects found during a namespace walk initiated by INamespaceWalk::Walk.</summary>
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/// <param name="pcItems">
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@ -249,7 +249,7 @@ namespace Vanara.PInvoke
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// https://docs.microsoft.com/en-us/windows/desktop/api/shobjidl_core/nf-shobjidl_core-inamespacewalk-getidarrayresult HRESULT
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// GetIDArrayResult( UINT *pcItems, PIDLIST_ABSOLUTE **prgpidl );
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[PreserveSig]
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HRESULT GetIDArrayResult(out uint pcItems, [In, Out, MarshalAs(UnmanagedType.LPArray, SizeConst = 0)] IntPtr[] prgpidl);
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HRESULT GetIDArrayResult(out uint pcItems, out InteropServices.SafeCoTaskMemHandle prgpidl);
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}
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/// <summary>
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@ -1,14 +1,119 @@
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using NUnit.Framework;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Threading;
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using Vanara.InteropServices;
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using static Vanara.PInvoke.Shell32;
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namespace Vanara.PInvoke.Tests
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namespace Vanara.PInvoke.Tests;
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[TestFixture]
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public class ExplorerTests
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{
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[TestFixture]
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public class ExplorerTests
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[Test]
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public void WalkNamespaceTest1()
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{
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// TODO: [Test]
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public void GetExplTest()
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using var pFolder = ComReleaserFactory.Create(new MyDocuments() as IShellFolder2);
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INamespaceWalk walk = new();
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WalkerCallback callback = new("Progress Title", "Cancel");
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List<string> mycnt = new();
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callback.ItemFound += (f, p) => mycnt.Add(pFolder.Item.GetDisplayNameOf(SHGDNF.SHGDN_FORPARSING, p));
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Assert.That(walk.Walk(pFolder.Item, NAMESPACEWALKFLAG.NSWF_NONE_IMPLIES_ALL | NAMESPACEWALKFLAG.NSWF_DONT_ACCUMULATE_RESULT | NAMESPACEWALKFLAG.NSWF_SHOW_PROGRESS, 0, callback), ResultIs.Successful);
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Assert.That(mycnt.Count, Is.GreaterThan(0));
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mycnt.WriteValues();
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}
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[Test]
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public void WalkNamespaceTest2()
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{
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using var pFolder = ComReleaserFactory.Create(new MyDocuments() as IShellFolder2);
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INamespaceWalk walk = new();
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Assert.That(walk.Walk(pFolder.Item, NAMESPACEWALKFLAG.NSWF_NONE_IMPLIES_ALL, 0), ResultIs.Successful);
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Assert.That(walk.GetIDArrayResult(out var cnt, out var ppidls), ResultIs.Successful);
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foreach (var pidl in ppidls.ToEnumerable<IntPtr>((int)cnt).Select(p => new PIDL(p)))
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TestContext.WriteLine(pFolder.Item.GetDisplayNameOf(SHGDNF.SHGDN_NORMAL, pidl));
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}
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[Test]
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public void WalkNamespaceTest3()
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{
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using var pFolder = ComReleaserFactory.Create(new MyDocuments() as IShellFolder2);
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ShellNamespaceWalker walker = new(pFolder.Item, 0, NAMESPACEWALKFLAG.NSWF_NONE_IMPLIES_ALL | NAMESPACEWALKFLAG.NSWF_DONT_ACCUMULATE_RESULT);
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var items = walker.ToArray();
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Assert.That(items, Has.Length.GreaterThanOrEqualTo(30));
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items.WriteValues();
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}
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public class ShellNamespaceWalker : IEnumerable<IShellItem>, IAsyncEnumerable<IShellItem>
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{
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private readonly object objToWalk;
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private readonly int depth;
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private readonly NAMESPACEWALKFLAG flags;
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public ShellNamespaceWalker(object objToWalk, int depth, NAMESPACEWALKFLAG flags)
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{
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this.objToWalk=objToWalk;
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this.depth=depth;
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this.flags=flags;
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}
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IAsyncEnumerator<IShellItem> IAsyncEnumerable<IShellItem>.GetAsyncEnumerator(CancellationToken cancellationToken) => throw new NotImplementedException();
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IEnumerator<IShellItem> IEnumerable<IShellItem>.GetEnumerator()
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{
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INamespaceWalk walk = new();
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var callback = new WalkerCallback();
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Queue<IShellItem> q = new();
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bool done = false;
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AutoResetEvent evt = new(false);
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callback.ItemFound += (f, p) => { lock (q) { q.Enqueue(SHCreateItemFromIDList<IShellItem>(p)); } evt.Set(); };
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callback.Completed += hr => { done = true; evt.Set(); };
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walk.Walk(objToWalk, flags | NAMESPACEWALKFLAG.NSWF_ASYNC, depth, callback).ThrowIfFailed();
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while (!done && evt.WaitOne())
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{
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lock (q)
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{
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while (q.Count > 0)
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yield return q.Dequeue();
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}
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}
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}
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IEnumerator IEnumerable.GetEnumerator() => ((IEnumerable<IShellItem>)this).GetEnumerator();
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}
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class WalkerCallback : INamespaceWalkCB2, IActionProgress
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{
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private readonly string cancel;
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private readonly string title;
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public WalkerCallback(string progressDlgTitle = "", string progressDlgCancelText = "Cancel")
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{
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cancel=progressDlgCancelText;
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title=progressDlgTitle;
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}
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public event Action<IShellFolder, PIDL> ItemFound;
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public event Action<IShellFolder, PIDL> FolderEntered;
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public event Action<IShellFolder, PIDL> FolderLeft;
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public event Action<HRESULT> Completed;
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public HRESULT FoundItem([In] IShellFolder psf, [In] IntPtr pidl) { ItemFound?.Invoke(psf, new PIDL(pidl, true)); return HRESULT.S_OK; }
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public HRESULT EnterFolder([In] IShellFolder psf, [In] IntPtr pidl) { FolderEntered?.Invoke(psf, new PIDL(pidl, true)); return HRESULT.S_OK; }
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public HRESULT LeaveFolder([In] IShellFolder psf, [In] IntPtr pidl) { FolderLeft?.Invoke(psf, new PIDL(pidl, true)); return HRESULT.S_OK; }
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public HRESULT InitializeProgressDialog([MarshalAs(UnmanagedType.LPWStr), Out] out string ppszTitle, [MarshalAs(UnmanagedType.LPWStr), Out] out string ppszCancel)
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{ ppszTitle = title; ppszCancel = cancel; return HRESULT.S_OK; }
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public HRESULT WalkComplete(HRESULT hr) { Completed?.Invoke(hr); return HRESULT.S_OK; }
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public void Begin(SPACTION action, SPBEGINF flags) { }
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public void UpdateProgress(ulong ulCompleted, ulong ulTotal) { }
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public void UpdateText(SPTEXT sptext, [In, MarshalAs(UnmanagedType.LPWStr)] string pszText, [MarshalAs(UnmanagedType.Bool)] bool fMayCompact) { }
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public bool QueryCancel() => false;
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public void ResetCancel() { }
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public void End() { }
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}
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}
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