mirror of https://github.com/dahall/Vanara.git
49 lines
2.5 KiB
C#
49 lines
2.5 KiB
C#
namespace Vanara.PInvoke;
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public static partial class Shell32
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{
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/// <summary>
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/// Exposes methods that allow clients to reset or query the display state of the autocomplete drop-down list, which contains
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/// possible completions to a string entered by the user in an edit control.
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/// </summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl/nn-shobjidl-iautocompletedropdown
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[PInvokeData("shobjidl.h", MSDNShortId = "NN:shobjidl.IAutoCompleteDropDown")]
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[ComImport, Guid("3CD141F4-3C6A-11d2-BCAA-00C04FD929DB"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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public interface IAutoCompleteDropDown
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{
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/// <summary>Gets the current display status of the autocomplete drop-down list.</summary>
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/// <param name="pdwFlags">
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/// <para>Type: <c>DWORD*</c></para>
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/// <para>
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/// A pointer to a value indicating whether the autocomplete drop-down list is currently displayed. This parameter can be
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/// <c>NULL</c> on entry if this information is not needed. The following values are recognized as the target of this pointer.
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/// </para>
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/// <para>(0x0000)</para>
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/// <para>The list is not visible.</para>
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/// <para>ACDD_VISIBLE (0x0001)</para>
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/// <para>The list is visible.</para>
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/// </param>
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/// <param name="ppwszString">
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/// <para>Type: <c>LPWSTR*</c></para>
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/// <para>
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/// A pointer to a buffer containing the first select item in the drop-down list, if the value pointed to by pdwFlags is
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/// <c>ACDD_VISIBLE</c>. This value can be <c>NULL</c> on entry if this information is not needed.
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/// </para>
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/// <para>If pdwFlags is zero on exit, then this value will be <c>NULL</c>.</para>
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/// <para>
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/// If this value is not <c>NULL</c> on exit, the buffer it points to must be freed using CoTaskMemFree when it is no longer needed.
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/// </para>
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/// </param>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl/nf-shobjidl-iautocompletedropdown-getdropdownstatus HRESULT
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// GetDropDownStatus( DWORD *pdwFlags, LPWSTR *ppwszString );
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unsafe void GetDropDownStatus(uint* pdwFlags, char** ppwszString);
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/// <summary>Forces the autocomplete object to refresh its list of suggestions when the list is visible.</summary>
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/// <remarks>
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/// The drop-down list is always rebuilt before it is displayed, so there is no reason to use this method unless the drop-down
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/// list is currently visible.
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/// </remarks>
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// https://docs.microsoft.com/en-us/windows/win32/api/shobjidl/nf-shobjidl-iautocompletedropdown-resetenumerator HRESULT ResetEnumerator();
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void ResetEnumerator();
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}
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} |