C# 6 presentation

autopropertyintializer.cs

// Old busted
private int count = 0;
public int Count
{
    get
    {
        return count;
    }
    set 
    {
        count = value;
    }
}

// New hotness
public int Count { get; set; } = 0;

awaitcatchfinally.cs

//New hotness
Exception exception = null;
try
{
    // Do some foo
}
catch (Exception ex)
{
    exception = ex;
}
if (exception != null)
  await AsyncLoggingService.Log(ex);
  
//New hotness
try
{
    // Do some foo
}
catch (Exception ex)
{
    await AsyncLoggingService.Log(ex);
}

exceptionfilters.cs

try
{	
    //do some foo
}
catch(ApplicationException ex) when(ex.Message == "Bobbeh!")
{
    WriteToBobbyLog(ex);
}
catch(ApplicationException ex) when(ex.Message == "Propane")
{
    WriteToPropaneLog(ex);
}

expressionbodiedmembers.cs

// Old busted
public IEnumerable<int> ListOfNumbers
{
    get
    {
        return Enumerable.Range(0,100);
    }
}

// New hotness
public IEnumerable<int> ListOfNumbers => Enumerable.Range(0,100);

nameof.cs

// Old busted 
public void MyMethod(MyClass input)
{
    if(input == null)
        throw new ArgumentNullException("input");

    doThing();
}

// New hotness
public void MyMethod(MyClass input)
{
    if(input == null)
        throw new ArgumentNullException(nameof(input));

    doThang();
}

nullpropogation.cs

// Old busted
int count = 0;
if(response != null && response.Results != null)
    count = response.Results.Count;
    
// New hotness
int count = response?.Results?.Count ?? 0;

stringinterpolation.cs

public string Red = "FF";
public string Green = "99";
public string Blue = "00";

// Old busted
public string Color 
{
    get 
    {
        return String.Format("{0}{1}{2}", Red, Green, Blue);
    }
}


// New hotness
public string Color => $"{Red}{Green}{Blue}";

stringinterpolationverbatim.cs

// Please don't do this. Use Path.Combine()
public string GetMyPath(string category, int id)
{
    return $@"C:\MyDocuments\{category}\{id}";
}

usingstatic.cs

// Old busted
public void DoSomething()
{
    Console.WriteLine("Swiggity swooty!");
}

// New hotness
using static System.Console;
public void DoSomething()
{
    WriteLine("Swiggity swooty!");
}