mirror of https://github.com/dahall/Vanara.git
Fixed bug with VirtDisk.GetStorageDependencyInformation and implemented VirtualDisk.GetStorageDependencyInformation() and VirtualDisk.DangerousGetHandle()
dahall
parent
7b9c17050b
commit
9e57ba3a14
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@ -2,6 +2,7 @@
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using Vanara.Extensions;
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using Vanara.InteropServices;
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using static Vanara.PInvoke.Kernel32;
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@ -1277,7 +1278,9 @@ namespace Vanara.PInvoke
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/// <param name="StorageDependencyInfoSize">
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/// Size, in bytes, of the STORAGE_DEPENDENCY_INFO structure that the StorageDependencyInfo parameter refers to.
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/// </param>
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/// <param name="StorageDependencyInfo">A pointer to a valid STORAGE_DEPENDENCY_INFO structure, which is a variable-length structure.</param>
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/// <param name="StorageDependencyInfo">
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/// A pointer to a valid <see cref="STORAGE_DEPENDENCY_INFO"/> structure, which is a variable-length structure.
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/// </param>
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/// <param name="SizeUsed">An optional pointer to a ULONG that receives the size used.</param>
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/// <returns>
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/// If the function succeeds, the return value is ERROR_SUCCESS and the Handle parameter contains a valid pointer to the new virtual
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@ -1285,8 +1288,8 @@ namespace Vanara.PInvoke
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/// </returns>
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[PInvokeData("VirtDisk.h")]
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[DllImport(Lib.VirtDisk, ExactSpelling = true)]
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public static extern Win32Error GetStorageDependencyInformation([In] VIRTUAL_DISK_HANDLE ObjectHandle, GET_STORAGE_DEPENDENCY_FLAG Flags,
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int StorageDependencyInfoSize, [In, Out] IntPtr StorageDependencyInfo, ref int SizeUsed);
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public static extern Win32Error GetStorageDependencyInformation([In] IntPtr ObjectHandle, GET_STORAGE_DEPENDENCY_FLAG Flags,
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int StorageDependencyInfoSize, [In, Out] IntPtr StorageDependencyInfo, out int SizeUsed);
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/// <summary>Retrieves information about a virtual hard disk (VHD).</summary>
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/// <param name="VirtualDiskHandle">
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@ -2491,7 +2494,43 @@ namespace Vanara.PInvoke
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public int NumberEntries;
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/// <summary>Variable-length array containing STORAGE_DEPENDENCY_INFO_TYPE_1 or STORAGE_DEPENDENCY_INFO_TYPE_2 structures.</summary>
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public IntPtr Entries;
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public Array Entries
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{
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get
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{
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unsafe
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{
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fixed (void* first = &DependencyTypeFlags)
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{
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if (Version == STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_1)
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{
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return NumberEntries == 0 ? new STORAGE_DEPENDENCY_INFO_TYPE_1[0] : ((IntPtr)first).ToArray<STORAGE_DEPENDENCY_INFO_TYPE_1>(NumberEntries);
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}
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else if (Version == STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2)
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{
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return NumberEntries == 0 ? new STORAGE_DEPENDENCY_INFO_TYPE_2[0] : ((IntPtr)first).ToArray<STORAGE_DEPENDENCY_INFO_TYPE_2>(NumberEntries);
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}
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}
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throw new NotSupportedException();
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}
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}
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}
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DEPENDENT_DISK_FLAG DependencyTypeFlags;
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uint ProviderSpecificFlags;
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VIRTUAL_STORAGE_TYPE VirtualStorageType;
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uint AncestorLevel;
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IntPtr DependencyDeviceName;
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IntPtr HostVolumeName;
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IntPtr DependentVolumeName;
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IntPtr DependentVolumeRelativePath;
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}
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/// <summary>Contains storage dependency information for type 1.</summary>
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@ -2527,15 +2566,19 @@ namespace Vanara.PInvoke
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public uint AncestorLevel;
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/// <summary>The device name of the dependent device.</summary>
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[MarshalAs(UnmanagedType.LPWStr)]
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public string DependencyDeviceName;
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/// <summary>The host disk volume name.</summary>
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[MarshalAs(UnmanagedType.LPWStr)]
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public string HostVolumeName;
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/// <summary>The name of the dependent volume, if any.</summary>
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[MarshalAs(UnmanagedType.LPWStr)]
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public string DependentVolumeName;
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/// <summary>The relative path to the dependent volume.</summary>
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[MarshalAs(UnmanagedType.LPWStr)]
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public string DependentVolumeRelativePath;
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}
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@ -69,7 +69,25 @@ namespace Vanara.PInvoke.Tests
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[Test()]
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public void GetStorageDependencyInformationTest()
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{
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throw new NotImplementedException();
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try
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{
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using var handle = Kernel32.CreateFile(@"\\.\PhysicalDrive2", Kernel32.FileAccess.GENERIC_READ, System.IO.FileShare.ReadWrite, default, System.IO.FileMode.Open, FileFlagsAndAttributes.FILE_ATTRIBUTE_NORMAL | FileFlagsAndAttributes.FILE_FLAG_BACKUP_SEMANTICS);
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Assert.That(handle, ResultIs.ValidHandle);
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using var mem = new SafeCoTaskMemStruct<STORAGE_DEPENDENCY_INFO>(new STORAGE_DEPENDENCY_INFO { Version = STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2 });
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var flags = GET_STORAGE_DEPENDENCY_FLAG.GET_STORAGE_DEPENDENCY_FLAG_HOST_VOLUMES | GET_STORAGE_DEPENDENCY_FLAG.GET_STORAGE_DEPENDENCY_FLAG_DISK_HANDLE;
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var err = GetStorageDependencyInformation(handle.DangerousGetHandle(), flags, mem.Size, mem, out var sz);
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if (err == Win32Error.ERROR_INSUFFICIENT_BUFFER)
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{
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mem.Size = sz;
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err = GetStorageDependencyInformation(handle.DangerousGetHandle(), flags, mem.Size, mem, out sz);
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}
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err.ThrowIfFailed();
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mem.AsRef().Entries.WriteValues();
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}
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finally
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{
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//System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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@ -21,7 +21,7 @@ namespace Vanara.IO
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/// Class that represents a virtual disk and allows for performing actions on it. This wraps most of the methods found in virtdisk.h.
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/// </summary>
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/// <seealso cref="System.IDisposable"/>
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public class VirtualDisk : IDisposable
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public class VirtualDisk : IDisposable, IHandle
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{
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private static readonly bool IsPreWin8 = Environment.OSVersion.Version < new Version(6, 2);
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private readonly OPEN_VIRTUAL_DISK_VERSION ver;
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@ -29,7 +29,11 @@ namespace Vanara.IO
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private VirtualDisk(SafeVIRTUAL_DISK_HANDLE handle, OPEN_VIRTUAL_DISK_VERSION version)
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{
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if (handle == null || handle.IsInvalid) throw new ArgumentNullException(nameof(handle));
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if (handle == null || handle.IsInvalid)
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{
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throw new ArgumentNullException(nameof(handle));
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}
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Handle = handle;
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ver = version;
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}
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@ -101,7 +105,7 @@ namespace Vanara.IO
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public bool Is4kAligned => GetInformation<bool>(GET_VIRTUAL_DISK_INFO_VERSION.GET_VIRTUAL_DISK_INFO_IS_4K_ALIGNED);
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/// <summary>Gets a value indicating whether this virtual disk has a parent backing store.</summary>
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/// <value><see langword="true"/> if this instance has a parent backing store; otherwise, <see langword="false"/>.</value>
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/// <value><see langword="true"/> if this instance has a parent backing store; otherwise, <see langword="false"/>.</value>
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public bool IsChild => ProviderSubtype == Subtype.Differencing;
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/// <summary>
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@ -148,7 +152,7 @@ namespace Vanara.IO
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{
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if (IsChild)
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{
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var pPath = GetInformation<string>(GET_VIRTUAL_DISK_INFO_VERSION.GET_VIRTUAL_DISK_INFO_PARENT_LOCATION, 4);
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string pPath = GetInformation<string>(GET_VIRTUAL_DISK_INFO_VERSION.GET_VIRTUAL_DISK_INFO_PARENT_LOCATION, 4);
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return !string.IsNullOrEmpty(pPath) ? new[] { pPath } : null;
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}
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return GetInformation<string[]>(GET_VIRTUAL_DISK_INFO_VERSION.GET_VIRTUAL_DISK_INFO_PARENT_LOCATION, 4);
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@ -165,7 +169,7 @@ namespace Vanara.IO
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{
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get
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{
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var sz = 64;
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int sz = 64;
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StringBuilder sb;
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Win32Error err;
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do
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@ -249,9 +253,13 @@ namespace Vanara.IO
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/// <returns>If successful, returns a valid <see cref="VirtualDisk"/> instance for the newly created virtual disk.</returns>
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public static VirtualDisk Create(string path, ref CREATE_VIRTUAL_DISK_PARAMETERS param, CREATE_VIRTUAL_DISK_FLAG flags = CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE, VIRTUAL_DISK_ACCESS_MASK mask = VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE, PSECURITY_DESCRIPTOR securityDescriptor = default)
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{
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if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
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var stType = new VIRTUAL_STORAGE_TYPE();
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CreateVirtualDisk(stType, path, mask, securityDescriptor, flags, 0, param, IntPtr.Zero, out var handle).ThrowIfFailed();
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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VIRTUAL_STORAGE_TYPE stType = new();
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CreateVirtualDisk(stType, path, mask, securityDescriptor, flags, 0, param, IntPtr.Zero, out SafeVIRTUAL_DISK_HANDLE handle).ThrowIfFailed();
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return new VirtualDisk(handle, (OPEN_VIRTUAL_DISK_VERSION)param.Version);
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}
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@ -285,8 +293,8 @@ namespace Vanara.IO
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/// size of the virtual disk.
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/// </param>
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/// <param name="blockSize">
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/// Internal size of the virtual disk object blocks, in bytes. For VHDX this must be a multiple of 1 MB between 1 and 256 MB. For
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/// VHD 1 this must be set to one of the following values: 0 (default), 0x80000 (512K), or 0x200000 (2MB)
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/// Internal size of the virtual disk object blocks, in bytes. For VHDX this must be a multiple of 1 MB between 1 and 256 MB. For VHD
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/// 1 this must be set to one of the following values: 0 (default), 0x80000 (512K), or 0x200000 (2MB)
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/// </param>
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/// <param name="logicalSectorSize">
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/// Internal size of the virtual disk object sectors. For VHDX must be set to 512 (0x200) or 4096 (0x1000). For VHD 1 must be set to 512.
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@ -302,12 +310,15 @@ namespace Vanara.IO
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/// <returns>If successful, returns a valid <see cref="VirtualDisk"/> instance for the newly created virtual disk.</returns>
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public static VirtualDisk Create(string path, ulong size, bool dynamic, uint blockSize = 0, uint logicalSectorSize = 0, FileSecurity access = null)
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{
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if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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var mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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var sd = FileSecToSd(access);
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var param = new CREATE_VIRTUAL_DISK_PARAMETERS(size, IsPreWin8 ? 1U : 2U, blockSize, logicalSectorSize);
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var flags = dynamic ? CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE : CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_FULL_PHYSICAL_ALLOCATION;
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VIRTUAL_DISK_ACCESS_MASK mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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SafePSECURITY_DESCRIPTOR sd = FileSecToSd(access);
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CREATE_VIRTUAL_DISK_PARAMETERS param = new(size, IsPreWin8 ? 1U : 2U, blockSize, logicalSectorSize);
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CREATE_VIRTUAL_DISK_FLAG flags = dynamic ? CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE : CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_FULL_PHYSICAL_ALLOCATION;
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return Create(path, ref param, flags, mask, sd);
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}
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@ -328,18 +339,30 @@ namespace Vanara.IO
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public static VirtualDisk CreateDifferencing(string path, string parentPath, FileSecurity access = null)
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{
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//if (access == null) access = GetFileSecurity();
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if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
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if (string.IsNullOrEmpty(parentPath)) throw new ArgumentNullException(nameof(parentPath));
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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if (string.IsNullOrEmpty(parentPath))
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{
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throw new ArgumentNullException(nameof(parentPath));
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}
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// If this is V2 (>=Win8), then let the file extension determine type, otherwise, it has to be a VHD
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var mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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var sd = FileSecToSd(access);
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var param = new CREATE_VIRTUAL_DISK_PARAMETERS { Version = IsPreWin8 ? CREATE_VIRTUAL_DISK_VERSION.CREATE_VIRTUAL_DISK_VERSION_1 : CREATE_VIRTUAL_DISK_VERSION.CREATE_VIRTUAL_DISK_VERSION_2 };
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using var pp = new SafeCoTaskMemString(parentPath);
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VIRTUAL_DISK_ACCESS_MASK mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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SafePSECURITY_DESCRIPTOR sd = FileSecToSd(access);
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CREATE_VIRTUAL_DISK_PARAMETERS param = new() { Version = IsPreWin8 ? CREATE_VIRTUAL_DISK_VERSION.CREATE_VIRTUAL_DISK_VERSION_1 : CREATE_VIRTUAL_DISK_VERSION.CREATE_VIRTUAL_DISK_VERSION_2 };
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using SafeCoTaskMemString pp = new(parentPath);
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if (IsPreWin8)
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{
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param.Version1.ParentPath = (IntPtr)pp;
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}
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else
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{
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param.Version2.ParentPath = (IntPtr)pp;
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}
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return Create(path, ref param, CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE, mask, sd);
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}
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@ -354,16 +377,28 @@ namespace Vanara.IO
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/// <returns>If successful, returns a valid <see cref="VirtualDisk"/> instance for the newly created virtual disk.</returns>
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public static VirtualDisk CreateFromSource(string path, string sourcePath)
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{
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if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
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if (string.IsNullOrEmpty(sourcePath)) throw new ArgumentNullException(nameof(sourcePath));
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException(nameof(path));
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}
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var param = new CREATE_VIRTUAL_DISK_PARAMETERS(0, IsPreWin8 ? 1U : 2U);
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var mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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using var sp = new SafeCoTaskMemString(sourcePath);
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if (string.IsNullOrEmpty(sourcePath))
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{
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throw new ArgumentNullException(nameof(sourcePath));
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}
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CREATE_VIRTUAL_DISK_PARAMETERS param = new(0, IsPreWin8 ? 1U : 2U);
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VIRTUAL_DISK_ACCESS_MASK mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
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using SafeCoTaskMemString sp = new(sourcePath);
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if (IsPreWin8)
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{
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param.Version1.SourcePath = (IntPtr)sp;
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}
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else
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{
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param.Version2.SourcePath = (IntPtr)sp;
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}
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return Create(path, ref param, CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE, mask);
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}
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@ -376,7 +411,7 @@ namespace Vanara.IO
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{
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try
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{
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using var vd = Open(path, OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE, null, VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_DETACH);
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using VirtualDisk vd = Open(path, OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE, null, VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_DETACH);
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vd.Detach();
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}
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catch { }
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@ -387,18 +422,57 @@ namespace Vanara.IO
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public static IEnumerable<string> GetAllAttachedVirtualDiskPaths()
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{
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uint sz = 0;
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var sb = new SafeCoTaskMemHandle(0);
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SafeCoTaskMemHandle sb = new(0);
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Win32Error err;
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do
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{
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err = GetAllAttachedVirtualDiskPhysicalPaths(ref sz, sb);
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if (err.Succeeded) break;
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if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER) err.ThrowIfFailed();
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if (err.Succeeded)
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{
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break;
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}
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if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER)
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{
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err.ThrowIfFailed();
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}
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sb.Size = (int)sz;
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} while (err == Win32Error.ERROR_INSUFFICIENT_BUFFER);
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return sb.Size <= 1 ? new string[0] : sb.ToStringEnum(CharSet.Unicode);
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}
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/// <summary>
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/// Returns the relationships between virtual hard disks (VHDs) or CD or DVD image file (ISO) or the volumes contained within those
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/// disks and their parent disk or volume.
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/// </summary>
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/// <param name="handle">
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/// <para>
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/// A handle to a volume or root directory if the <c>Flags</c> parameter does not specify the
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/// <c>GET_STORAGE_DEPENDENCY_FLAG_DISK_HANDLE</c> flag. For information on how to open a volume or root directory, see the
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/// CreateFile function.
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/// </para>
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/// <para>
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/// If the <c>Flags</c> parameter specifies the <c>GET_STORAGE_DEPENDENCY_FLAG_DISK_HANDLE</c> flag, this handle should be a handle
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/// to a disk.
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/// </para>
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/// </param>
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/// <param name="flags">A valid combination of GET_STORAGE_DEPENDENCY_FLAG values.</param>
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/// <returns>An array of <see cref="STORAGE_DEPENDENCY_INFO_TYPE_2"/> structures with the requested information.</returns>
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/// <remarks>CD and DVD image files (ISO) are not supported before Windows 8 and Windows Server 2012.</remarks>
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public static STORAGE_DEPENDENCY_INFO_TYPE_2[] GetStorageDependencyInformation(IntPtr handle, GET_STORAGE_DEPENDENCY_FLAG flags)
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{
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using SafeCoTaskMemStruct<STORAGE_DEPENDENCY_INFO> mem = new(new STORAGE_DEPENDENCY_INFO { Version = STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2 });
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Win32Error err = VirtDisk.GetStorageDependencyInformation(handle, flags, mem.Size, mem, out int sz);
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if (err == Win32Error.ERROR_INSUFFICIENT_BUFFER)
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{
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mem.Size = sz;
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err = VirtDisk.GetStorageDependencyInformation(handle, flags, mem.Size, mem, out sz);
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}
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err.ThrowIfFailed();
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return mem.AsRef().Entries.ToTypedArray<STORAGE_DEPENDENCY_INFO_TYPE_2>();
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}
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||||
/// <summary>Creates an instance of a Virtual Disk from a file.</summary>
|
||||
/// <param name="path">A valid path to the virtual disk image to open.</param>
|
||||
/// <param name="flags">A valid combination of values of the OPEN_VIRTUAL_DISK_FLAG enumeration.</param>
|
||||
|
|
@ -406,9 +480,13 @@ namespace Vanara.IO
|
|||
/// <param name="mask">A valid VIRTUAL_DISK_ACCESS_MASK value.</param>
|
||||
public static VirtualDisk Open(string path, OPEN_VIRTUAL_DISK_FLAG flags = OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE, OPEN_VIRTUAL_DISK_PARAMETERS param = null, VIRTUAL_DISK_ACCESS_MASK mask = VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE)
|
||||
{
|
||||
if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
|
||||
if (string.IsNullOrEmpty(path))
|
||||
{
|
||||
throw new ArgumentNullException(nameof(path));
|
||||
}
|
||||
|
||||
Debug.WriteLine($"OpenVD: mask={mask}; flags={flags}; param={param}");
|
||||
OpenVirtualDisk(new VIRTUAL_STORAGE_TYPE(), path, mask, flags, param, out var hVhd).ThrowIfFailed();
|
||||
OpenVirtualDisk(new VIRTUAL_STORAGE_TYPE(), path, mask, flags, param, out SafeVIRTUAL_DISK_HANDLE hVhd).ThrowIfFailed();
|
||||
return new VirtualDisk(hVhd, param?.Version ?? (IsPreWin8 ? OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_1 : OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2));
|
||||
}
|
||||
|
||||
|
|
@ -422,21 +500,43 @@ namespace Vanara.IO
|
|||
/// </param>
|
||||
public static VirtualDisk Open(string path, bool readOnly, bool getInfoOnly = false, bool noParents = false)
|
||||
{
|
||||
if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
|
||||
var mask = VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
|
||||
var flags = OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE;
|
||||
if (noParents) flags |= OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NO_PARENTS;
|
||||
if (string.IsNullOrEmpty(path))
|
||||
{
|
||||
throw new ArgumentNullException(nameof(path));
|
||||
}
|
||||
|
||||
VIRTUAL_DISK_ACCESS_MASK mask = VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
|
||||
OPEN_VIRTUAL_DISK_FLAG flags = OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE;
|
||||
if (noParents)
|
||||
{
|
||||
flags |= OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NO_PARENTS;
|
||||
}
|
||||
|
||||
OPEN_VIRTUAL_DISK_PARAMETERS param;
|
||||
var isIso = Path.GetExtension(path).Equals(".iso", StringComparison.InvariantCultureIgnoreCase);
|
||||
if (isIso && (!readOnly || noParents)) throw new NotSupportedException();
|
||||
bool isIso = Path.GetExtension(path).Equals(".iso", StringComparison.InvariantCultureIgnoreCase);
|
||||
if (isIso && (!readOnly || noParents))
|
||||
{
|
||||
throw new NotSupportedException();
|
||||
}
|
||||
|
||||
if (isIso || IsPreWin8)
|
||||
{
|
||||
param = new OPEN_VIRTUAL_DISK_PARAMETERS(0); // make v1 instance
|
||||
if (readOnly) mask |= VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_READ;
|
||||
if (getInfoOnly) mask |= VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_GET_INFO;
|
||||
if (readOnly)
|
||||
{
|
||||
mask |= VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_READ;
|
||||
}
|
||||
|
||||
if (getInfoOnly)
|
||||
{
|
||||
mask |= VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_GET_INFO;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
param = new OPEN_VIRTUAL_DISK_PARAMETERS(readOnly, getInfoOnly);
|
||||
}
|
||||
|
||||
return Open(path, flags, param, mask);
|
||||
}
|
||||
|
||||
|
|
@ -459,9 +559,15 @@ namespace Vanara.IO
|
|||
public void Attach(ATTACH_VIRTUAL_DISK_FLAG flags, ref ATTACH_VIRTUAL_DISK_PARAMETERS param, PSECURITY_DESCRIPTOR securityDescriptor = default)
|
||||
{
|
||||
if (!securityDescriptor.IsNull && !securityDescriptor.IsValidSecurityDescriptor())
|
||||
{
|
||||
throw new ArgumentException("Invalid security descriptor.");
|
||||
}
|
||||
|
||||
AttachVirtualDisk(Handle, securityDescriptor, flags, 0, param, IntPtr.Zero).ThrowIfFailed();
|
||||
if (!flags.IsFlagSet(ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME)) Attached = true;
|
||||
if (!flags.IsFlagSet(ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME))
|
||||
{
|
||||
Attached = true;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
|
|
@ -484,11 +590,19 @@ namespace Vanara.IO
|
|||
public void Attach(bool readOnly = false, bool autoDetach = true, bool noDriveLetter = false, FileSecurity access = null)
|
||||
{
|
||||
//if (access == null) access = GetWorldFullFileSecurity();
|
||||
var flags = readOnly ? ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY : 0;
|
||||
if (!autoDetach) flags |= ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME;
|
||||
if (noDriveLetter) flags |= ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER;
|
||||
var param = ATTACH_VIRTUAL_DISK_PARAMETERS.Default;
|
||||
var sd = FileSecToSd(access);
|
||||
ATTACH_VIRTUAL_DISK_FLAG flags = readOnly ? ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY : 0;
|
||||
if (!autoDetach)
|
||||
{
|
||||
flags |= ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME;
|
||||
}
|
||||
|
||||
if (noDriveLetter)
|
||||
{
|
||||
flags |= ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER;
|
||||
}
|
||||
|
||||
ATTACH_VIRTUAL_DISK_PARAMETERS param = ATTACH_VIRTUAL_DISK_PARAMETERS.Default;
|
||||
SafePSECURITY_DESCRIPTOR sd = FileSecToSd(access);
|
||||
Attach(flags, ref param, sd);
|
||||
}
|
||||
|
||||
|
|
@ -511,13 +625,21 @@ namespace Vanara.IO
|
|||
await RunAsync(cancellationToken, progress, Handle, (in NativeOverlapped vhdOverlap) =>
|
||||
CompactVirtualDisk(Handle, COMPACT_VIRTUAL_DISK_FLAG.COMPACT_VIRTUAL_DISK_FLAG_NONE, COMPACT_VIRTUAL_DISK_PARAMETERS.Default, vhdOverlap));
|
||||
|
||||
/// <summary>Returns the value of the handle field.</summary>
|
||||
/// <returns>An IntPtr representing the value of the handle field.</returns>
|
||||
public IntPtr DangerousGetHandle() => ((IHandle)Handle).DangerousGetHandle();
|
||||
|
||||
/// <summary>
|
||||
/// Detaches a virtual hard disk (VHD) or CD or DVD image file (ISO) by locating an appropriate virtual disk provider to accomplish
|
||||
/// the operation.
|
||||
/// </summary>
|
||||
public void Detach()
|
||||
{
|
||||
if (!Attached) return;
|
||||
if (!Attached)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
DetachVirtualDisk(Handle, DETACH_VIRTUAL_DISK_FLAG.DETACH_VIRTUAL_DISK_FLAG_NONE, 0).ThrowIfFailed();
|
||||
Attached = false;
|
||||
}
|
||||
|
|
@ -525,7 +647,11 @@ namespace Vanara.IO
|
|||
/// <inheritdoc/>
|
||||
public virtual void Dispose()
|
||||
{
|
||||
if (Attached) Detach();
|
||||
if (Attached)
|
||||
{
|
||||
Detach();
|
||||
}
|
||||
|
||||
Handle.Dispose();
|
||||
}
|
||||
|
||||
|
|
@ -534,7 +660,10 @@ namespace Vanara.IO
|
|||
public void Expand(ulong newSize)
|
||||
{
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2)
|
||||
{
|
||||
throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
}
|
||||
|
||||
ExpandVirtualDisk(Handle, EXPAND_VIRTUAL_DISK_FLAG.EXPAND_VIRTUAL_DISK_FLAG_NONE, new EXPAND_VIRTUAL_DISK_PARAMETERS(newSize), IntPtr.Zero).ThrowIfFailed();
|
||||
}
|
||||
|
||||
|
|
@ -551,8 +680,12 @@ namespace Vanara.IO
|
|||
public async Task<bool> Expand(ulong newSize, CancellationToken cancellationToken, IProgress<int> progress) =>
|
||||
await RunAsync(cancellationToken, progress, Handle, (in NativeOverlapped vhdOverlap) =>
|
||||
{
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2) throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
var param = new EXPAND_VIRTUAL_DISK_PARAMETERS(newSize);
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2)
|
||||
{
|
||||
throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
}
|
||||
|
||||
EXPAND_VIRTUAL_DISK_PARAMETERS param = new(newSize);
|
||||
return ExpandVirtualDisk(Handle, EXPAND_VIRTUAL_DISK_FLAG.EXPAND_VIRTUAL_DISK_FLAG_NONE, param, vhdOverlap);
|
||||
}
|
||||
);
|
||||
|
|
@ -562,14 +695,14 @@ namespace Vanara.IO
|
|||
/// <param name="targetDepth">Depth from the leaf to target the merge. The leaf is at depth 1.</param>
|
||||
public void Merge(uint sourceDepth, uint targetDepth)
|
||||
{
|
||||
var param = new MERGE_VIRTUAL_DISK_PARAMETERS(sourceDepth, targetDepth);
|
||||
MERGE_VIRTUAL_DISK_PARAMETERS param = new(sourceDepth, targetDepth);
|
||||
MergeVirtualDisk(Handle, MERGE_VIRTUAL_DISK_FLAG.MERGE_VIRTUAL_DISK_FLAG_NONE, param, IntPtr.Zero).ThrowIfFailed();
|
||||
}
|
||||
|
||||
/// <summary>Merges a child virtual hard disk (VHD) in a differencing chain with its immediate parent disk in the chain.</summary>
|
||||
public void MergeWithParent()
|
||||
{
|
||||
var param = new MERGE_VIRTUAL_DISK_PARAMETERS(1);
|
||||
MERGE_VIRTUAL_DISK_PARAMETERS param = new(1);
|
||||
MergeVirtualDisk(Handle, MERGE_VIRTUAL_DISK_FLAG.MERGE_VIRTUAL_DISK_FLAG_NONE, param, IntPtr.Zero).ThrowIfFailed();
|
||||
}
|
||||
|
||||
|
|
@ -581,9 +714,12 @@ namespace Vanara.IO
|
|||
public void Resize(ulong newSize)
|
||||
{
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2)
|
||||
{
|
||||
throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
var flags = newSize == 0 ? RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_RESIZE_TO_SMALLEST_SAFE_VIRTUAL_SIZE : RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_NONE;
|
||||
var param = new RESIZE_VIRTUAL_DISK_PARAMETERS(newSize);
|
||||
}
|
||||
|
||||
RESIZE_VIRTUAL_DISK_FLAG flags = newSize == 0 ? RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_RESIZE_TO_SMALLEST_SAFE_VIRTUAL_SIZE : RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_NONE;
|
||||
RESIZE_VIRTUAL_DISK_PARAMETERS param = new(newSize);
|
||||
ResizeVirtualDisk(Handle, flags, param, IntPtr.Zero).ThrowIfFailed();
|
||||
}
|
||||
|
||||
|
|
@ -601,8 +737,11 @@ namespace Vanara.IO
|
|||
await RunAsync(cancellationToken, progress, Handle, (in NativeOverlapped vhdOverlap) =>
|
||||
{
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2)
|
||||
{
|
||||
throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
var param = new RESIZE_VIRTUAL_DISK_PARAMETERS(newSize);
|
||||
}
|
||||
|
||||
RESIZE_VIRTUAL_DISK_PARAMETERS param = new(newSize);
|
||||
return ResizeVirtualDisk(Handle, RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_NONE, param, vhdOverlap);
|
||||
}
|
||||
);
|
||||
|
|
@ -611,7 +750,7 @@ namespace Vanara.IO
|
|||
/// <param name="path">The full path to the parent disk.</param>
|
||||
public void SetParentPath(string path)
|
||||
{
|
||||
using var pStr = new SafeCoTaskMemString(path);
|
||||
using SafeCoTaskMemString pStr = new(path);
|
||||
SET_VIRTUAL_DISK_INFO si = new(SET_VIRTUAL_DISK_INFO_VERSION.SET_VIRTUAL_DISK_INFO_PARENT_PATH) { ParentFilePath = (IntPtr)pStr };
|
||||
SetVirtualDiskInformation(Handle, si).ThrowIfFailed();
|
||||
}
|
||||
|
|
@ -621,7 +760,7 @@ namespace Vanara.IO
|
|||
/// <param name="childDepth">Specifies the depth to the child from the leaf. The leaf itself is at depth 1.</param>
|
||||
public void SetParentPathAndDepth(string path, uint childDepth)
|
||||
{
|
||||
using var pStr = new SafeCoTaskMemString(path);
|
||||
using SafeCoTaskMemString pStr = new(path);
|
||||
SET_VIRTUAL_DISK_INFO si = new(SET_VIRTUAL_DISK_INFO_VERSION.SET_VIRTUAL_DISK_INFO_PARENT_PATH_WITH_DEPTH)
|
||||
{ ParentPathWithDepthInfo = new() { ParentFilePath = (IntPtr)pStr, ChildDepth = childDepth } };
|
||||
SetVirtualDiskInformation(Handle, si).ThrowIfFailed();
|
||||
|
|
@ -634,9 +773,13 @@ namespace Vanara.IO
|
|||
/// <param name="newSize">New size, in bytes, for the expansion request.</param>
|
||||
public void UnsafeResize(ulong newSize)
|
||||
{
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2) throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
var flags = RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_ALLOW_UNSAFE_VIRTUAL_SIZE;
|
||||
var param = new RESIZE_VIRTUAL_DISK_PARAMETERS(newSize);
|
||||
if (ver < OPEN_VIRTUAL_DISK_VERSION.OPEN_VIRTUAL_DISK_VERSION_2)
|
||||
{
|
||||
throw new NotSupportedException(@"Expansion is only available to virtual disks opened under version 2 or higher.");
|
||||
}
|
||||
|
||||
RESIZE_VIRTUAL_DISK_FLAG flags = RESIZE_VIRTUAL_DISK_FLAG.RESIZE_VIRTUAL_DISK_FLAG_ALLOW_UNSAFE_VIRTUAL_SIZE;
|
||||
RESIZE_VIRTUAL_DISK_PARAMETERS param = new(newSize);
|
||||
ResizeVirtualDisk(Handle, flags, param, IntPtr.Zero).ThrowIfFailed();
|
||||
}
|
||||
|
||||
|
|
@ -659,22 +802,34 @@ namespace Vanara.IO
|
|||
// TODO: Get async CreateFromSource working. Problem: passing new handle back to calling thread causes exceptions.
|
||||
private static async Task<VirtualDisk> CreateFromSource(string path, string sourcePath, CancellationToken cancellationToken, IProgress<int> progress)
|
||||
{
|
||||
if (string.IsNullOrEmpty(path)) throw new ArgumentNullException(nameof(path));
|
||||
if (string.IsNullOrEmpty(sourcePath)) throw new ArgumentNullException(nameof(sourcePath));
|
||||
if (string.IsNullOrEmpty(path))
|
||||
{
|
||||
throw new ArgumentNullException(nameof(path));
|
||||
}
|
||||
|
||||
var param = new CREATE_VIRTUAL_DISK_PARAMETERS(0, IsPreWin8 ? 1U : 2U);
|
||||
var h = IntPtr.Zero;
|
||||
var b = await RunAsync(cancellationToken, progress, VIRTUAL_DISK_HANDLE.NULL, (in NativeOverlapped vhdOverlap) =>
|
||||
if (string.IsNullOrEmpty(sourcePath))
|
||||
{
|
||||
throw new ArgumentNullException(nameof(sourcePath));
|
||||
}
|
||||
|
||||
CREATE_VIRTUAL_DISK_PARAMETERS param = new(0, IsPreWin8 ? 1U : 2U);
|
||||
IntPtr h = IntPtr.Zero;
|
||||
bool b = await RunAsync(cancellationToken, progress, VIRTUAL_DISK_HANDLE.NULL, (in NativeOverlapped vhdOverlap) =>
|
||||
{
|
||||
var sp = new SafeCoTaskMemString(sourcePath);
|
||||
var stType = new VIRTUAL_STORAGE_TYPE();
|
||||
var mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
|
||||
SafeCoTaskMemString sp = new(sourcePath);
|
||||
VIRTUAL_STORAGE_TYPE stType = new();
|
||||
VIRTUAL_DISK_ACCESS_MASK mask = IsPreWin8 ? VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_CREATE : VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE;
|
||||
if (IsPreWin8)
|
||||
{
|
||||
param.Version1.SourcePath = (IntPtr)sp;
|
||||
}
|
||||
else
|
||||
{
|
||||
param.Version2.SourcePath = (IntPtr)sp;
|
||||
var flags = CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE;
|
||||
var err = CreateVirtualDisk(stType, path, mask, PSECURITY_DESCRIPTOR.NULL, flags, 0, param, vhdOverlap, out var hVhd);
|
||||
}
|
||||
|
||||
CREATE_VIRTUAL_DISK_FLAG flags = CREATE_VIRTUAL_DISK_FLAG.CREATE_VIRTUAL_DISK_FLAG_NONE;
|
||||
Win32Error err = CreateVirtualDisk(stType, path, mask, PSECURITY_DESCRIPTOR.NULL, flags, 0, param, vhdOverlap, out SafeVIRTUAL_DISK_HANDLE hVhd);
|
||||
if (err.Succeeded)
|
||||
{
|
||||
h = hVhd.DangerousGetHandle();
|
||||
|
|
@ -683,7 +838,11 @@ namespace Vanara.IO
|
|||
return err;
|
||||
}
|
||||
);
|
||||
if (!b) throw new OperationCanceledException(cancellationToken);
|
||||
if (!b)
|
||||
{
|
||||
throw new OperationCanceledException(cancellationToken);
|
||||
}
|
||||
|
||||
return new VirtualDisk(new SafeVIRTUAL_DISK_HANDLE(h), (OPEN_VIRTUAL_DISK_VERSION)param.Version);
|
||||
}
|
||||
|
||||
|
|
@ -696,9 +855,13 @@ namespace Vanara.IO
|
|||
progress?.Report(0);
|
||||
while (true)
|
||||
{
|
||||
var perr = GetVirtualDiskOperationProgress(phVhd, reset, out var prog);
|
||||
Win32Error perr = GetVirtualDiskOperationProgress(phVhd, reset, out VIRTUAL_DISK_PROGRESS prog);
|
||||
perr.ThrowIfFailed();
|
||||
if (cancellationToken.IsCancellationRequested) return false;
|
||||
if (cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
switch (prog.OperationStatus)
|
||||
{
|
||||
case 0:
|
||||
|
|
@ -713,17 +876,25 @@ namespace Vanara.IO
|
|||
new Win32Error(prog.OperationStatus).ThrowIfFailed();
|
||||
break;
|
||||
}
|
||||
if (prog.CurrentValue == prog.CompletionValue) return true;
|
||||
if (prog.CurrentValue == prog.CompletionValue)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
await Task.Delay(250, cancellationToken);
|
||||
}
|
||||
}
|
||||
|
||||
private static async Task<bool> RunAsync(CancellationToken cancellationToken, IProgress<int> progress, VIRTUAL_DISK_HANDLE hVhd, RunAsyncMethod method)
|
||||
{
|
||||
var vhdOverlapEvent = new ManualResetEvent(false);
|
||||
var vhdOverlap = new NativeOverlapped { EventHandle = vhdOverlapEvent.SafeWaitHandle.DangerousGetHandle() };
|
||||
var err = method(in vhdOverlap);
|
||||
if (err != Win32Error.ERROR_IO_PENDING) err.ThrowIfFailed();
|
||||
ManualResetEvent vhdOverlapEvent = new(false);
|
||||
NativeOverlapped vhdOverlap = new() { EventHandle = vhdOverlapEvent.SafeWaitHandle.DangerousGetHandle() };
|
||||
Win32Error err = method(in vhdOverlap);
|
||||
if (err != Win32Error.ERROR_IO_PENDING)
|
||||
{
|
||||
err.ThrowIfFailed();
|
||||
}
|
||||
|
||||
return await GetProgress(hVhd, vhdOverlap, cancellationToken, progress);
|
||||
}
|
||||
|
||||
|
|
@ -794,13 +965,16 @@ namespace Vanara.IO
|
|||
|
||||
private T GetInformation<T>(GET_VIRTUAL_DISK_INFO_VERSION info, long offset = 0)
|
||||
{
|
||||
using var mem = GetInformation(info);
|
||||
using SafeCoTaskMemStruct<GET_VIRTUAL_DISK_INFO> mem = GetInformation(info);
|
||||
|
||||
offset += 8; // Add size of version
|
||||
if (typeof(T) == typeof(string[]))
|
||||
{
|
||||
if (mem.DangerousGetHandle().Offset(offset).ToStructure<ushort>() == 0)
|
||||
{
|
||||
return (T)(object)new string[0];
|
||||
}
|
||||
|
||||
return (T)(object)mem.DangerousGetHandle().ToStringEnum(CharSet.Unicode, (int)offset).ToArray();
|
||||
}
|
||||
|
||||
|
|
@ -811,7 +985,7 @@ namespace Vanara.IO
|
|||
{
|
||||
SafeCoTaskMemStruct<GET_VIRTUAL_DISK_INFO> mem = new(new GET_VIRTUAL_DISK_INFO { Version = info });
|
||||
uint sz = mem.Size;
|
||||
var err = GetVirtualDiskInformation(Handle, ref sz, mem, out var req);
|
||||
Win32Error err = GetVirtualDiskInformation(Handle, ref sz, mem, out uint req);
|
||||
if (err == Win32Error.ERROR_INSUFFICIENT_BUFFER)
|
||||
{
|
||||
mem.Size = sz;
|
||||
|
|
@ -837,6 +1011,9 @@ namespace Vanara.IO
|
|||
supported = vhd.DiskType == DeviceType.Vhdx;
|
||||
}
|
||||
|
||||
/// <summary>Gets the number of elements contained in the <see cref="IDictionary{Guid, SafeCoTaskMemHandle}"/>.</summary>
|
||||
public int Count => Keys.Count;
|
||||
|
||||
/// <summary>Gets a value indicating whether the <see cref="IDictionary{Guid, SafeCoTaskMemHandle}"/> is read-only.</summary>
|
||||
public bool IsReadOnly => false;
|
||||
|
||||
|
|
@ -845,15 +1022,21 @@ namespace Vanara.IO
|
|||
{
|
||||
get
|
||||
{
|
||||
var ret = new Guid[0];
|
||||
Guid[] ret = new Guid[0];
|
||||
if (supported)
|
||||
{
|
||||
if (parent.Handle.IsClosed)
|
||||
{
|
||||
throw new InvalidOperationException("Virtual disk not valid.");
|
||||
}
|
||||
|
||||
uint count = 0;
|
||||
var err = EnumerateVirtualDiskMetadata(parent.Handle, ref count, null);
|
||||
Win32Error err = EnumerateVirtualDiskMetadata(parent.Handle, ref count, null);
|
||||
if (err != Win32Error.ERROR_MORE_DATA && err != Win32Error.ERROR_INSUFFICIENT_BUFFER)
|
||||
{
|
||||
err.ThrowIfFailed();
|
||||
}
|
||||
|
||||
if (count != 0)
|
||||
{
|
||||
ret = new Guid[count];
|
||||
|
|
@ -870,9 +1053,6 @@ namespace Vanara.IO
|
|||
/// </summary>
|
||||
public ICollection<SafeCoTaskMemHandle> Values => Keys.Select(k => this[k]).ToList();
|
||||
|
||||
/// <summary>Gets the number of elements contained in the <see cref="IDictionary{Guid, SafeCoTaskMemHandle}"/>.</summary>
|
||||
public int Count => Keys.Count;
|
||||
|
||||
/// <summary>Gets or sets the <see cref="SafeCoTaskMemHandle"/> with the specified key.</summary>
|
||||
/// <value>The <see cref="SafeCoTaskMemHandle"/>.</value>
|
||||
/// <param name="key">The key.</param>
|
||||
|
|
@ -880,19 +1060,39 @@ namespace Vanara.IO
|
|||
{
|
||||
get
|
||||
{
|
||||
if (!supported) throw new PlatformNotSupportedException();
|
||||
if (parent.Handle.IsClosed) throw new InvalidOperationException("Virtual disk not valid.");
|
||||
if (!supported)
|
||||
{
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
if (parent.Handle.IsClosed)
|
||||
{
|
||||
throw new InvalidOperationException("Virtual disk not valid.");
|
||||
}
|
||||
|
||||
uint sz = 0;
|
||||
var err = GetVirtualDiskMetadata(parent.Handle, key, ref sz, default);
|
||||
if (err != Win32Error.ERROR_MORE_DATA && err != Win32Error.ERROR_INSUFFICIENT_BUFFER) err.ThrowIfFailed();
|
||||
var ret = new SafeCoTaskMemHandle((int)sz);
|
||||
Win32Error err = GetVirtualDiskMetadata(parent.Handle, key, ref sz, default);
|
||||
if (err != Win32Error.ERROR_MORE_DATA && err != Win32Error.ERROR_INSUFFICIENT_BUFFER)
|
||||
{
|
||||
err.ThrowIfFailed();
|
||||
}
|
||||
|
||||
SafeCoTaskMemHandle ret = new((int)sz);
|
||||
GetVirtualDiskMetadata(parent.Handle, key, ref sz, ret).ThrowIfFailed();
|
||||
return ret;
|
||||
}
|
||||
set
|
||||
{
|
||||
if (!supported) throw new PlatformNotSupportedException();
|
||||
if (parent.Handle.IsClosed) throw new InvalidOperationException("Virtual disk not valid.");
|
||||
if (!supported)
|
||||
{
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
if (parent.Handle.IsClosed)
|
||||
{
|
||||
throw new InvalidOperationException("Virtual disk not valid.");
|
||||
}
|
||||
|
||||
SetVirtualDiskMetadata(parent.Handle, key, value.Size, value).ThrowIfFailed();
|
||||
}
|
||||
}
|
||||
|
|
@ -922,7 +1122,7 @@ namespace Vanara.IO
|
|||
/// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param>
|
||||
public void CopyTo(KeyValuePair<Guid, SafeCoTaskMemHandle>[] array, int arrayIndex)
|
||||
{
|
||||
var a = GetEnum().ToArray();
|
||||
KeyValuePair<Guid, SafeCoTaskMemHandle>[] a = GetEnum().ToArray();
|
||||
Array.Copy(a, 0, array, arrayIndex, a.Length);
|
||||
}
|
||||
|
||||
|
|
@ -938,8 +1138,16 @@ namespace Vanara.IO
|
|||
/// </returns>
|
||||
public bool Remove(Guid key)
|
||||
{
|
||||
if (!supported) throw new PlatformNotSupportedException();
|
||||
if (parent.Handle.IsClosed) throw new InvalidOperationException("Virtual disk not valid.");
|
||||
if (!supported)
|
||||
{
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
if (parent.Handle.IsClosed)
|
||||
{
|
||||
throw new InvalidOperationException("Virtual disk not valid.");
|
||||
}
|
||||
|
||||
return DeleteVirtualDiskMetadata(parent.Handle, key).Succeeded;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue