static void Main()
{
File.AppendAllLines("log.csv", new string[] { $"EventName, Payload, ActivityId, RelatedActivityId" });
_ = new LoggingEventListener();
var logger = new ServiceCollection()
.AddLogging(builder => builder.AddEventSourceLogger())
.BuildServiceProvider()
.GetRequiredService <ILogger <Program> >();
using (logger.BeginScope(new Dictionary <string, object> {
["Operation"] = "Foo"
}))
{
logger.LogInformation("This is a test log written in scope 'Foo'");
using (logger.BeginScope(new Dictionary <string, object> {
["Operation"] = "Bar"
}))
{
logger.LogInformation("This is a test log written in scope 'Bar'");
}
using (logger.BeginScope(new Dictionary <string, object> {
["Operation"] = "Baz"
}))
{
logger.LogInformation("This is a test log written in scope 'Baz'");
}
}
}
static void Main()
{
_ = new LoggingEventListener();
var logger = new ServiceCollection()
.AddLogging(builder => builder.AddEventSourceLogger())
.BuildServiceProvider()
.GetRequiredService <ILogger <Program> >();
var state = new Dictionary <string, object>
{
["ErrorCode"] = 100,
["Message"] = "Unhandled exception"
};
logger.Log(LogLevel.Error, 1, state, new InvalidOperationException("This is a manually thrown exception."), (_, ex) => ex.Message);
Console.Read();
}