|
// 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;
using Accessibility;
namespace System.Windows.Forms;
internal static unsafe class AccessibilityExtensions
{
/// <inheritdoc cref="PInvoke.LresultFromObject(Guid*, WPARAM, IUnknown*)"/>
internal static LRESULT GetLRESULT(this IAccessible accessible, WPARAM wparam)
{
// https://learn.microsoft.com/windows/win32/winauto/how-to-handle-wm-getobject
using var unknown = ComHelpers.TryGetComScope<IUnknown>(accessible, out _);
return PInvoke.LresultFromObject(
IID.Get<global::Windows.Win32.UI.Accessibility.IAccessible>(),
wparam,
unknown);
}
}
|