How to bypass this masking element '9'?

I have here a MaskedTextBox that has a custom maksed of +639000000000 but the it will show only +63__________ and what I really want is +639_________. I know that char 9 is a masking element see here,

Question: How to bypass this masking element ‘9’?

>Solution :

try +63\9000000000
as shown in : MaskedTextBox.Mask Property. The ” can escape the masking element ‘9’.