private void UpdateUi()
{
numberOfThingies.Text = "You have " + myThingies.Count + " thingies.";
valueOfLatestThingy.Text = string.Format("The latest thingy has the value {0}.", myThingies[myThingies.Count - 1].Value);
Thingy biggestThingy = GetLargestThingy();
largestThingy.Text = string.Format(
"The largest thingy is #{0}, with value {1}.",
myThingies.IndexOf(biggestThingy) + 1,
biggestThingy.Value);
listOfThingies.Text = String.Empty;
int thingyIndex = 1;
foreach (Thingy thingy in myThingies)
{
listOfThingies.Text += string.Format(
"Thingy #{2} has value {0}.{1}",
thingy.Value,
Environment.NewLine,
thingyIndex++);
}
listOfThingies.Text = String.Empty;
for (int i = 0; i < myThingies.Count; i++)
{
Thingy thingy = myThingies[i];
listOfThingies.Text += string.Format(
"Thingy #{2} has value {0}.{1}",
thingy.Value,
Environment.NewLine,
i + 1);
}
}
private void frobLatest_Click(object sender, EventArgs e)
{
if (myThingies.Count == 0)
{
MessageBox.Show("You have no thingies!");
return;
}
// (<type_name>) is the swear-to-god operator.
// Dear Compiler: I swear to god that this is a Thingy.
// Also known as an "explicit type conversion".
object someObject = myThingies[myThingies.Count - 1];
// I can't do this, because a generic "object" doesn't
// know how to be Frobbed.
// someObject.Frob();
// I tell the compiler, "This particular generic object
// is actually a Thingy, I swear to god."
Thingy latestThingy = (Thingy)someObject;
// Now, I can tell this thingy, "Frob yourself."
latestThingy.Frob();
UpdateUi();
}
// private int GetValueFromThingy(Thingy thingy)
// {
// return thingy.Value;
// }
private Thingy GetLargestThingy3()
{
Thingy largestThingy = myThingies[0];
foreach (Thingy thingy in myThingies)
{
if (thingy.Value > largestThingy.Value)
{
largestThingy = thingy;
}
}
return(largestThingy);
}