write c# implementation of abstract class inline?

I found a great example of code written in java for the use of a timer / timertask classes...

I am currently turning this into c# for a 'Mono for Android' implementation, but having trouble with converting the inline implementation of the abstract class TimerTask

// Here's the original java code

private void resetMapChangeTimer()    
{        
mChangeDelayTimer.schedule(
new TimerTask()        
    {            
      @Override            
      public void run()            
      {                
        // Some code to run           
      }        
    }, longTenSeconds);    
}

When I implement this in c#, I would like to create an inherited class from TimerTask (abstract class) and the run method etc in-line without having to create a seperate class (extending TimerTask) as the java code above does.

Can anyone advise me on the c# syntax to create this abstract class inline instead of creating a seperate class just to inherit and implement TimerTask?