Controls the annotation type for the Google PlusOne Standard button. Depends on the size of the button.
Definition
Fields
Displays the number of users to the right or above the button (depending on its size)
C#
Bubble = 1
Numeric value is 0
Displays number and profile pictures of the users.
C#
Inline = 0
Numeric value is 0
Not additional annotations are rendered.
C#
None = 3
Numeric value is 0