// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Windows.Win32.System.Com;
 
namespace Windows.Win32.UI.Accessibility;
 
/// <summary>
///  Base <see cref="IDispatch"/> class for <see cref="IAccessible"/>.
/// </summary>
internal abstract unsafe class AccessibleDispatch : StandardDispatch<IAccessible>
{
    // The accessibility TypeLib- lives in oleacc.dll
    private static readonly Guid s_accessibilityTypeLib = new("1ea4dbf0-3c3b-11cf-810c-00aa00389b71");
 
    // We don't release the ITypeInfo to avoid unloading and reloading the IAccessible ITypeLib.
    private static ITypeInfo* TypeInfo { get; } = ComHelpers.GetRegisteredTypeInfo(s_accessibilityTypeLib, 1, 1, IAccessible.IID_Guid);
 
    public AccessibleDispatch() : base(TypeInfo) { }
 
    public AccessibleDispatch(IAccessible.Interface instance) : base(TypeInfo, instance) { }
}