/// <summary>
/// Aktiviert den primären Sender.
/// </summary>
/// <param name="feedSet">Die Verwaltung der Sender.</param>
/// <param name="sourceName">Der Name einer Quelle.</param>
/// <returns>Gesetzt, wenn der Sender aktiviert wurde.</returns>
public static bool TryPrimary(this IFeedSet feedSet, string sourceName)
{
// Synchronize
using (var waiter = new ManualResetEvent(false))
{
// Waiter method
Action <IFeed, bool> signal = (feed, visible) => { if (visible)
{
waiter.Set();
}
};
// Attach wait method
feedSet.PrimaryViewVisibilityChanged += signal;
try
{
// Process
var started = feedSet.TryStartPrimaryFeed(sourceName);
// Synchronize
if (started)
{
Assert.IsTrue(waiter.WaitOne(1000), "timeout");
}
// Report
return(started);
}
finally
{
// Detach waiter
feedSet.PrimaryViewVisibilityChanged -= signal;
}
}
}
