mirror of https://github.com/dahall/Vanara.git
78 lines
3.3 KiB
C#
78 lines
3.3 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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public static partial class Shell32
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{
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/// <summary>Exposes methods to enumerate unknown objects.</summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nn-shobjidl_core-ienumobjects
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[PInvokeData("shobjidl_core.h", MSDNShortId = "NN:shobjidl_core.IEnumObjects")]
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[ComImport, Guid("2c1c7e2e-2d0e-4059-831e-1e6f82335c2e"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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public interface IEnumObjects : Vanara.Collections.ICOMEnum<object>
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{
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/// <summary>Gets the next specified number and type of objects.</summary>
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/// <param name="celt">
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/// <para>Type: <c>ULONG</c></para>
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/// <para>The number of objects to retrieve.</para>
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/// </param>
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/// <param name="riid">
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/// <para>Type: <c>REFIID</c></para>
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/// <para>Reference to the desired interface ID.</para>
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/// </param>
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/// <param name="rgelt">
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/// <para>Type: <c>void**</c></para>
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/// <para>When this method returns, contains the interface pointer requested in riid.</para>
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/// </param>
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/// <param name="pceltFetched">
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/// <para>Type: <c>ULONG*</c></para>
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/// <para>
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/// Pointer to a <c>ULONG</c> value that, when this method returns, states the actual number of objects retrieved. This value
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/// can be <c>NULL</c>.
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/// </para>
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/// </param>
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/// <returns>
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/// <para>Type: <c>HRESULT</c></para>
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/// <para>
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/// Returns S_OK if the method successfully retrieved the requested objects. This method only returns S_OK if the full count of
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/// requested items are successfully retrieved.
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/// </para>
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/// <para>S_FALSE indicates that more items were requested than remained in the enumeration.</para>
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/// </returns>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ienumobjects-next HRESULT Next( ULONG celt,
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// REFIID riid, void **rgelt, ULONG *pceltFetched );
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[PreserveSig]
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HRESULT Next(uint celt, in Guid riid, [Out, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.IUnknown, SizeParamIndex = 0)] object[] rgelt, out uint pceltFetched);
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/// <summary>Skips a specified number of objects.</summary>
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/// <param name="celt">
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/// <para>Type: <c>ULONG</c></para>
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/// <para>The number of objects to skip.</para>
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/// </param>
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/// <returns>
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/// <para>Type: <c>HRESULT</c></para>
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/// <para>If this method succeeds, it returns <c>S_OK</c>. Otherwise, it returns an <c>HRESULT</c> error code.</para>
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/// </returns>
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/// <remarks>Enumeration index is advanced by the number of items skipped.</remarks>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ienumobjects-skip HRESULT Skip( ULONG celt );
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[PreserveSig]
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HRESULT Skip(uint celt);
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/// <summary>Resets the enumeration index to 0.</summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ienumobjects-reset HRESULT Reset();
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void Reset();
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/// <summary>
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/// <para>Not implemented.</para>
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/// <para>Not implemented.</para>
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/// </summary>
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/// <returns>
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/// <para>Type: <c>IEnumObjects**</c></para>
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/// <para>Not used.</para>
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/// </returns>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ienumobjects-clone HRESULT Clone(
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// IEnumObjects **ppenum );
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IEnumObjects Clone();
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}
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}
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} |