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## About
<!-- A description of the package and where one can find more documentation -->
`Microsoft.Extensions.Logging.Debug` provides a Debug output logger provider implementation for Microsoft.Extensions.Logging. This logger logs messages to a debugger monitor by writing messages with `System.Diagnostics.Debug.WriteLine()`.
## Key Features
<!-- The key features of this package -->
* Allow logging to the debugger output.
* Provide extensions method for the [ILoggingBuilder](https://learn.microsoft.com/dotnet/api/microsoft.extensions.logging.iloggingbuilder) class to easily enable this Debug logger.
## How to Use
<!-- A compelling example on how to use this package with code, as well as any specific guidelines for when to use the package -->
```csharp
using System;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Debug;
namespace DebugLoggerSample
{
class Program
{
static void Main(string[] args)
{
// Create a logger factory with a debug provider
using ILoggerFactory loggerFactory = LoggerFactory.Create(builder => builder.AddDebug());
// Create a logger with the category name of the current class
ILogger<Program> logger = loggerFactory.CreateLogger<Program>();
// Log some messages with different log levels and message templates
logger.LogTrace("This is a trace message.");
logger.LogDebug("This is a debug message.");
logger.LogInformation("Hello {Name}!", "World");
logger.LogWarning("This is a warning message.");
logger.LogError("This is an error message.");
logger.LogCritical("This is a critical message.");
// Use structured logging to capture complex data
var person = new Person { Name = "Alice", Age = 25 };
logger.LogInformation("Created a new person: {@Person}", person);
// Use exception logging to capture the details of an exception
try
{
throw new Exception("Something went wrong.");
}
catch (Exception ex)
{
logger.LogError(ex, "An exception occurred.");
}
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}
}
// A simple class to demonstrate structured logging
class Person
{
public string Name { get; set; }
public int Age { get; set; }
}
}
```
## Main Types
<!-- The main types provided in this library -->
The main types provided by this library are:
* `DebugLoggerProvider`
* `DebugLoggerFactoryExtensions`
## Additional Documentation
<!-- Links to further documentation. Remove conceptual documentation if not available for the library. -->
* [Conceptual documentation](https://learn.microsoft.com/dotnet/core/extensions/logging)
* [API documentation](https://learn.microsoft.com/dotnet/api/microsoft.extensions.logging)
## Related Packages
[Microsoft.Extensions.Logging.Abstractions](https://www.nuget.org/packages/Microsoft.Extensions.Logging.Abstractions)
[Microsoft.Extensions.Logging](https://www.nuget.org/packages/Microsoft.Extensions.Logging)
[Microsoft.Extensions.Logging.Console](https://www.nuget.org/packages/Microsoft.Extensions.Logging.Console)
[Microsoft.Extensions.Logging.EventSource](https://www.nuget.org/packages/Microsoft.Extensions.Logging.EventSource)
[Microsoft.Extensions.Logging.EventLog](https://www.nuget.org/packages/Microsoft.Extensions.Logging.EventLog)
[Microsoft.Extensions.Logging.TraceSource](https://www.nuget.org/packages/Microsoft.Extensions.Logging.TraceSource)
<!-- The related packages associated with this package -->
## Feedback & Contributing
<!-- How to provide feedback on this package and contribute to it -->
Microsoft.Extensions.Logging.Debug is released as open source under the [MIT license](https://licenses.nuget.org/MIT). Bug reports and contributions are welcome at [the GitHub repository](https://github.com/dotnet/runtime).