From ea79e58102af5a3355a4f92e228d6e9877aadd8c Mon Sep 17 00:00:00 2001
From: Rolf Kristensen <sweaty1@hotmail.com>
Date: Tue, 13 Aug 2024 21:46:49 +0200
Subject: [PATCH] NLogTarget - Use FlushAsync instead of synchronous

---
 CHANGELOG.md                                        |  1 +
 LOGGING/src/NLogTarget/ApplicationInsightsTarget.cs | 13 +------------
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 049c0f363..5d2dd920f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## VNext
 - [Populate required field Message with "n/a" if it is empty](https://github.com/microsoft/ApplicationInsights-dotnet/issues/1066)
+- [NLog Target with support for specifying ConnectionString](https://github.com/microsoft/ApplicationInsights-dotnet/issues/2897)
 
 ## Version 2.22.0
 - no changes since beta.
diff --git a/LOGGING/src/NLogTarget/ApplicationInsightsTarget.cs b/LOGGING/src/NLogTarget/ApplicationInsightsTarget.cs
index de6a5a77a..d4ba9304a 100644
--- a/LOGGING/src/NLogTarget/ApplicationInsightsTarget.cs
+++ b/LOGGING/src/NLogTarget/ApplicationInsightsTarget.cs
@@ -187,18 +187,7 @@ protected override void FlushAsync(AsyncContinuation asyncContinuation)
 
             try
             {
-                this.TelemetryClient.Flush();
-                if (DateTime.UtcNow.AddSeconds(-30) > this.lastLogEventTime)
-                {
-                    // Nothing has been written, so nothing to wait for
-                    asyncContinuation(null);
-                }
-                else
-                {
-                    // Documentation says it is important to wait after flush, else nothing will happen
-                    // https://docs.microsoft.com/azure/application-insights/app-insights-api-custom-events-metrics#flushing-data
-                    System.Threading.Tasks.Task.Delay(TimeSpan.FromMilliseconds(500)).ContinueWith((task) => asyncContinuation(null));
-                }
+                this.TelemetryClient.FlushAsync(System.Threading.CancellationToken.None).ContinueWith(t => asyncContinuation(t.Exception));
             }
             catch (Exception ex)
             {