Retrieves the number of boundary points contained in an Anchor with an enabled Bounded2D component.
This is the first part of the two-calls idiom for retrieving boundary points.
TryGetBoundaryPoints to actually get those points.
ParameterscountThe number of boundary points contained in the Bounded2D component of the Anchor, as an out parameter.
ReturnsReturns true if it successfully retrieves the count, false otherwise.