Lambda

SubmitButton.Click += (s,e) => MessageBox.Show("Button Clicked");

delegate int AddDelegate(int a, int b);
static void Main(string[] args){
AddDelegate ad = (a,b) => a + b;
int result = ad(1,1); //result = 2
}

delegate bool LogDelegate();
static void Main(string[] args)
{
LogDelegate ld = () =>
{
UpdateDatabase();
WriteToEventLog();
return true;
};
bool status = ld();
}