Camera Information System
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20 lines
700 B

namespace EC.Helper.Onvif.RemoteDiscovery;
internal static class ExtensionMethods
{
/// <summary>
/// Used to provide cancellation possibility to any Async Methods returning a Task
/// </summary>
internal static async Task<T> WithCancellation<T>(this Task<T> task, CancellationToken cancellationToken)
{
var tcs = new TaskCompletionSource<bool>();
using (cancellationToken.Register(s => ((TaskCompletionSource<bool>)s).TrySetResult(true), tcs))
{
if (task != await Task.WhenAny(task, tcs.Task))
{
throw new OperationCanceledException(cancellationToken);
}
}
return await task;
}
}