Reasons for why a WinForms label does not want to be transparent?

Question

Why can\'t I set the BackColor of a Label to Transparent? I have done it before, but now it just don\'t want to...

I created a new UserControl, added a progressbar a

Answer 1

Select BackColor, go the Web tab, and select Transparent. Generates the following.

        this.label1.BackColor = System.Drawing.Color.Transparent;