File: Windows\Win32\PInvokeCore.PostMessage.cs
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Project: src\src\System.Private.Windows.Core\src\System.Private.Windows.Core.csproj (System.Private.Windows.Core)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Windows.Win32;
 
internal static partial class PInvokeCore
{
    /// <inheritdoc cref="PostMessage(HWND, uint, WPARAM, LPARAM)"/>
    public static BOOL PostMessage<T>(
       T hWnd,
       MessageId Msg,
       WPARAM wParam = default,
       LPARAM lParam = default)
       where T : IHandle<HWND>
    {
        BOOL result = PostMessage(hWnd.Handle, (uint)Msg, wParam, lParam);
        GC.KeepAlive(hWnd.Wrapper);
        return result;
    }
}