How to show a custom error or warning message box in .NET Winforms?

Question

How can I show message boxes with a "Ding!" sound and a red 'close' button in it? This is what I'm talking about:

I'm trying to create some custom errors and warnings, but this:

MessageBox.Show("Ding!");

doesn't seem to give me any customization options.

Answer 1

Try this:

MessageBox.Show("Some text", "Some title", 
    MessageBoxButtons.OK, MessageBoxIcon.Error);