Wrong marshalling for pszVerb in Shell32.IFolderView2.InvokeVerbOnSelection()

[l-eugine]

Describe the bug and how to reproduce

Call Shell32.IFolderView2.InvokeVerbOnSelection() with non-empty verb.

On such call nothing happens, no error is reported.

The issue is with current declaration of this method

        /// <summary>Invokes the given verb on the current selection.</summary>
        /// <param name="pszVerb">
        /// <para>Type: <c>LPCSTR</c></para>
        /// <para>A pointer to a Unicode string containing a verb.</para>
        /// </param>
        /// <remarks>If pszVerb is <c>NULL</c>, then the default verb is invoked on the selection.</remarks>
        // https://docs.microsoft.com/en-us/windows/desktop/api/shobjidl_core/nf-shobjidl_core-ifolderview2-invokeverbonselection
        // HRESULT InvokeVerbOnSelection( LPCSTR pszVerb );
        void InvokeVerbOnSelection([In, MarshalAs(UnmanagedType.LPWStr)] string? pszVerb);

As it said in comment, pszVerb should be LPCSTR, so proper marshalling should be MarshalAs(UnmanagedType.LPStr)] not UnmanagedType.LPWStr

With UnmanagedType.LPStr everything works as expected.

text in MSDN help is also misleading, stating that Unicode string is expected, while they clearly have it defined as ANSI string.

[dahall]

Fixed for 4.0.1