SemaphoreSlim.WaitAsync Method (TimeSpan)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Asynchronously waits to enter the SemaphoreSlim, using a TimeSpan to measure the time interval.
Namespace: System.Threading
Assembly: mscorlib (in mscorlib.dll)
Syntax
Public Function WaitAsync ( _
timeout As TimeSpan _
) As Task(Of Boolean)
public Task<bool> WaitAsync(
TimeSpan timeout
)
Parameters
- timeout
Type: System..::.TimeSpan
A TimeSpan that represents the number of milliseconds to wait, or a TimeSpan that represents -1 milliseconds to wait indefinitely.
Return Value
Type: System.Threading.Tasks..::.Task<(Of <(Boolean>)>)
A task that will complete with a result of true if the current thread successfully entered the SemaphoreSlim, otherwise with a result of false.
Exceptions
| Exception | Condition |
|---|---|
| ObjectDisposedException | The current instance has already been disposed. |
| ArgumentOutOfRangeException | millisecondsTimeout is a negative number other than -1, which represents an infinite time-out -or- timeout is greater than MaxValue. |
Version Information
Windows Phone OS
Supported in: 8.1, 8.0