???

[nnddnn]

You tried to compile the solution before you upload it? :)

What is a property?

control.title.Text = newValue.ToString();

[cokert]

That's a control defined in the xaml definition. See here:

BindablePropertyDemo/BindablePropertyDemo/BindablePropertyDemo/Custom/MyCustomControl.xaml

Line 17 in a47758c

<Label x:Name="title"