mirror of https://github.com/dahall/Vanara.git
76 lines
3.4 KiB
C#
76 lines
3.4 KiB
C#
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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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public static partial class SetupAPI
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{
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/// <summary>
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/// In Windows Vista and later versions of Windows, the DEVPROPKEY structure represents a device property key for a device property
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/// in the unified device property model.
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/// </summary>
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/// <remarks>
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/// <para>The DEVPROPKEY structure is part of the unified device property model.</para>
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/// <para>The basic set of system-supplied device property keys are defined in Devpkey.h.</para>
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/// <para>The <c>DEFINE_DEVPROPKEY</c> macro creates an instance of a DEVPROPKEY structure that represents a device property key.</para>
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/// </remarks>
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// https://docs.microsoft.com/en-us/windows-hardware/drivers/install/devpropkey struct DEVPROPKEY { DEVPROPGUID fmtid; DEVPROPID
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// pid; };
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[PInvokeData("Devpropdef.h")]
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[StructLayout(LayoutKind.Sequential)]
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public struct DEVPROPKEY : IEquatable<DEVPROPKEY>
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{
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/// <summary>
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/// <para>A DEVPROPGUID-typed value that specifies a property category.</para>
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/// <para>The DEVPROPGUID data type is defined as:</para>
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/// </summary>
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public Guid fmtid;
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/// <summary>
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/// <para>
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/// <c>pid</c> A DEVPROPID-typed value that uniquely identifies the property within the property category. For internal system
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/// reasons, a property identifier must be greater than or equal to two.
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/// </para>
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/// <para>The DEVPROPID data type is defined as:</para>
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/// </summary>
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public uint pid;
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/// <summary>Initializes a new instance of the <see cref="DEVPROPKEY"/> struct.</summary>
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/// <param name="a">Guid value.</param>
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/// <param name="b">Guid value.</param>
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/// <param name="c">Guid value.</param>
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/// <param name="d">Guid value.</param>
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/// <param name="e">Guid value.</param>
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/// <param name="f">Guid value.</param>
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/// <param name="g">Guid value.</param>
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/// <param name="h">Guid value.</param>
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/// <param name="i">Guid value.</param>
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/// <param name="j">Guid value.</param>
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/// <param name="k">Guid value.</param>
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/// <param name="pid">The pid.</param>
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public DEVPROPKEY(uint a, ushort b, ushort c, byte d, byte e, byte f, byte g, byte h, byte i, byte j, byte k, uint pid)
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{
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fmtid = new Guid(a, b, c, d, e, f, g, h, i, j, k);
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this.pid = pid;
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}
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/// <summary>Determines whether the specified <see cref="System.Object"/>, is equal to this instance.</summary>
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/// <param name="obj">The <see cref="System.Object"/> to compare with this instance.</param>
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/// <returns>
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/// <see langword="true"/> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <see langword="false"/>.
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/// </returns>
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public override bool Equals(object obj) => obj is DEVPROPKEY pk && Equals(pk);
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/// <summary>Determines whether the specified <see cref="DEVPROPKEY"/>, is equal to this instance.</summary>
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/// <param name="pk">The property key.</param>
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/// <returns>
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/// <see langword="true"/> if the specified <see cref="DEVPROPKEY"/> is equal to this instance; otherwise, <see langword="false"/>.
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/// </returns>
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public bool Equals(DEVPROPKEY pk) => pk.pid == pid && pk.fmtid == fmtid;
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/// <summary>Returns a hash code for this instance.</summary>
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/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
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public override int GetHashCode() => (pid, fmtid).GetHashCode();
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}
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}
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}
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