LinqPad Extension method that will include linenumbers in Dumps

DumpLine.cs

public static class MyExtensions
{
	static int offset = 0;
	public static T DumpLine<T>(this T obj, string description = "", [CallerLineNumber]int lineNumber = 0)
	{
		if (description == "DumpLineInit")
		{
			try
			{
				offset = lineNumber - int.Parse(obj.ToString());
			}
			catch (Exception ex)
			{
				offset = lineNumber - 1;
				Console.WriteLine("DumpLineInit failed:" + ex.ToString());
			}
			return obj;
		}
		return obj.Dump($"Line:{lineNumber - offset}, {description}");
	}
}

// Usage
void Main()
{
	26.DumpLine("DumpLineInit");	// Replace 26 with actual linenumber from linqpad
					// this initializes linenumber count. No output from this statement.
	"TestA".DumpLine("foo");
	"TestB".DumpLine();
}

Example of Output:

\