mirror of https://github.com/dahall/Vanara.git
Added VOLUME_DISK_EXTENTS
parent
cefcd01e3c
commit
582811517b
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@ -4186,6 +4186,31 @@ namespace Vanara.PInvoke
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public long FileSizeThreshold;
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}
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/// <summary>
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/// Represents a physical location on a disk. It is the output buffer for the IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS control code.
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/// </summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/winioctl/ns-winioctl-volume_disk_extents
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// typedef struct _VOLUME_DISK_EXTENTS { DWORD NumberOfDiskExtents; DISK_EXTENT Extents[ANYSIZE_ARRAY]; } VOLUME_DISK_EXTENTS, *PVOLUME_DISK_EXTENTS;
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[PInvokeData("winioctl.h", MSDNShortId = "NS:winioctl._VOLUME_DISK_EXTENTS")]
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[VanaraMarshaler(typeof(SafeAnysizeStructMarshaler<VOLUME_DISK_EXTENTS>), nameof(NumberOfDiskExtents))]
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[StructLayout(LayoutKind.Sequential)]
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public struct VOLUME_DISK_EXTENTS
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{
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/// <summary>
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/// <para>The number of disks in the volume (a volume can span multiple disks).</para>
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/// <para>
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/// An extent is a contiguous run of sectors on one disk. When the number of extents returned is greater than one (1), the error
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/// code <c>ERROR_MORE_DATA</c> is returned. You should call DeviceIoControl again, allocating enough buffer space based on the
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/// value of <c>NumberOfDiskExtents</c> after the first <c>DeviceIoControl</c> call.
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/// </para>
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/// </summary>
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public uint NumberOfDiskExtents;
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/// <summary>An array of DISK_EXTENT structures.</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)]
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public DISK_EXTENT[] Extents;
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}
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/*
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https://docs.microsoft.com/en-us/windows/win32/api/winioctl/
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@ -4342,7 +4367,6 @@ TXFS_TRANSACTION_ACTIVE_INFO : 1
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TXFS_WRITE_BACKUP_INFORMATION : 1
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VERIFY_INFORMATION : 16
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VOLUME_BITMAP_BUFFER : 24
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VOLUME_DISK_EXTENTS : 32
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VOLUME_GET_GPT_ATTRIBUTES_INFORMATION : 8
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winioctl_CHANGER_ELEMENT_STATUS Represents the status of the specified element.
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