C# Definition:

[ComImport, Guid ( "973510DB-7D7F-452B-8975-74A85828D354" ), InterfaceType ( ComInterfaceType.InterfaceIsIUnknown )]
interface IFileDialogEvents
{
    // NOTE: some of these callbacks are cancelable - returning S_FALSE means that
    // the dialog should not proceed (e.g. with closing, changing folder); to
    // support this, we need to use the PreserveSig attribute to enable us to return
    // the proper HRESULT
    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime ), PreserveSig]
    HRESULT OnFileOk ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime ), PreserveSig]
    HRESULT OnFolderChanging ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd,
                   [In, MarshalAs ( UnmanagedType.Interface )] IShellItem psiFolder );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void OnFolderChange ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void OnSelectionChange ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void OnShareViolation ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd,
                [In, MarshalAs ( UnmanagedType.Interface )] IShellItem psi,
                out FDE_SHAREVIOLATION_RESPONSE pResponse );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void OnTypeChange ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void OnOverwrite ( [In, MarshalAs ( UnmanagedType.Interface )] IFileDialog pfd,
               [In, MarshalAs ( UnmanagedType.Interface )] IShellItem psi,
               out FDE_OVERWRITE_RESPONSE pResponse );
}

VB Definition:

<ComImport> _
<Guid("TODO")> _
'TODO: Insert <InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _ if this doesn't derive from IDispatch
Interface IFileDialogEvents
   TODO
End Interface

User-Defined Types:

None.

Notes:

None.

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