Debug.WriteLine Method (String, Object)
Writes a formatted message followed by a line terminator to the trace listeners in the Listeners collection.
Assembly: System (in System.dll)
[<ConditionalAttribute("DEBUG")>] static member WriteLine : format:string * args:Object -> unit
This method uses the composite formatting feature of the .NET Framework to convert the value of an object to its text representation and embed that representation in a string.
The params [.NET Framework] keyword in the syntax for this method implies that the object array can be a single value. The exception to this is the String object. Explicit overloads take precedence, so an arg value of a single string will default to the Debug.WriteLine(String, String) overload.
By default, the output is written to an instance of DefaultTraceListener.
This method calls the TraceListener.WriteLine method of the trace listener.