C# CancellatonSource Status when Cancel on cts or LinkedCancellationSource.

CancelCancellationTokenSource.cs

// cancel on Source CancellationTokenSource
async Task Main()
{
    using var cts = new CancellationTokenSource();
    var ct = cts.Token;
    var task = FooAsync(ct);
    await Task.Delay(TimeSpan.FromSeconds(3));
    cts.Cancel();
    cts.Dump("cts"); // IsCancellationRequested	True
}


public async Task FooAsync(CancellationToken ct)
{
    using var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
    var linkedCt = linkedCts.Token;
    var i = 0;
    var interval = TimeSpan.FromSeconds(1);
    while (!linkedCt.IsCancellationRequested)
    {
        await Task.Delay(interval);
        await Task.WhenAll(new[] {DoAsync(linkedCt), DoAsync(linkedCt)});
        i++;
    }
    linkedCts.Dump("linked cts"); // IsCancellationRequested	True
}

public async Task DoAsync(CancellationToken ct)
{
    try
    {
        using var client = new HttpClient();
        var result = await client.GetAsync("https://tech.guitarrapc.com", ct);
        result.StatusCode.Dump();
    }
    catch (OperationCanceledException cex)
    {
        cex.Dump();
    }
}

CancelLinkedCancellationTokenSource.cs

// cancel on LinkedCancellationTokenSource
async Task Main()
{
    using var cts = new CancellationTokenSource();
    var ct = cts.Token;
    await FooAsync(ct);
    cts.Dump("cts"); // IsCancellationRequested	False
}


public async Task FooAsync(CancellationToken ct)
{
    using var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
    var linkedCt = linkedCts.Token;
    var i = 0;
    var interval = TimeSpan.FromSeconds(1);
    while (!linkedCt.IsCancellationRequested)
    {
        await Task.Delay(interval);
        var task = Task.WhenAll(new[] { DoAsync(linkedCt), DoAsync(linkedCt) });
        if (i++ >= 2)
        {
            linkedCts.Cancel();
        }
        await task;
    }
    linkedCts.Dump("linked cts"); // IsCancellationRequested	True
}

public async Task DoAsync(CancellationToken ct)
{
    try
    {
        using var client = new HttpClient();
        var result = await client.GetAsync("https://tech.guitarrapc.com", ct);
        result.StatusCode.Dump();
    }
    catch (OperationCanceledException cex)
    {
        cex.Dump();
    }
}