mirror of https://github.com/dahall/Vanara.git
72 lines
2.7 KiB
C#
72 lines
2.7 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Vanara.PInvoke
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{
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/// <summary>Valid values for the <see cref="OBJECT_TYPE_LIST.level"/> field.</summary>
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[PInvokeData("winnt.h")]
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public enum ObjectTypeListLevel : ushort
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{
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/// <summary>Indicates the object itself at level zero.</summary>
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ACCESS_OBJECT_GUID = 0,
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/// <summary>Indicates a property set at level one.</summary>
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ACCESS_PROPERTY_SET_GUID = 1,
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/// <summary>Indicates a property at level two.</summary>
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ACCESS_PROPERTY_GUID = 2,
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/// <summary>Indicates a property set at the max level.</summary>
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ACCESS_MAX_LEVEL = 4,
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}
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/// <summary>
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/// The <c>OBJECT_TYPE_LIST</c> structure identifies an object type element in a hierarchy of object types. The AccessCheckByType
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/// functions use an array of <c>OBJECT_TYPE_LIST</c> structures to define a hierarchy of an object and its subobjects, such as property
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/// sets and properties.
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/// </summary>
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// https://docs.microsoft.com/en-us/windows/desktop/api/winnt/ns-winnt-_object_type_list
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// typedef struct _OBJECT_TYPE_LIST { WORD Level; WORD Sbz; GUID *ObjectType; } OBJECT_TYPE_LIST, *POBJECT_TYPE_LIST;
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[PInvokeData("winnt.h", MSDNShortId = "c729ff1a-65f3-4f6f-84dd-5700aead75ce")]
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode, Pack = 2)]
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public unsafe struct OBJECT_TYPE_LIST
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{
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/// <summary>
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/// Specifies the level of the object type in the hierarchy of an object and its subobjects. Level zero indicates the object itself.
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/// Level one indicates a subobject of the object, such as a property set. Level two indicates a subobject of the level one
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/// subobject, such as a property. There can be a maximum of five levels numbered zero through four.
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/// </summary>
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public ObjectTypeListLevel level;
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/// <summary>Should be zero. Reserved for future use.</summary>
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public ushort Sbz;
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/// <summary>A pointer to the GUID for the object or subobject.</summary>
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public Guid* guidObjectType;
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/// <summary>Initializes a new instance of the <see cref="OBJECT_TYPE_LIST"/> struct.</summary>
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/// <param name="level">The level of the object type in the hierarchy of an object and its subobjects.</param>
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/// <param name="objType">The object or subobject identifier.</param>
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public OBJECT_TYPE_LIST(ObjectTypeListLevel level, in Guid objType = default)
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{
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Sbz = 0;
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this.level = level;
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unsafe
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{
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if (objType == default)
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fixed (Guid* pGuid = &Guid.Empty)
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{
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guidObjectType = pGuid;
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}
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else
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fixed (Guid* pGuid = &objType)
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{
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guidObjectType = pGuid;
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}
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}
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}
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/// <summary>Represents an object that is itself.</summary>
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public static readonly OBJECT_TYPE_LIST Self = new OBJECT_TYPE_LIST();
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}
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} |