Backcourt Violation?

[williebfree]

I believe a scenario similar to this one was discussed, but I cannot find that thread so I am asking for feedback again...

A1 is trapped with the ball in the frontcourt near the intersection of the sideline & division line by B1 & B2.

A1 throws the ball off of B1 and it rolls parallel to the division line on the frontcourt side. A1 hustles around the defenders into the backcourt. With both feet in the backcourt, A1 reaches into the frontcourt and secures the ball (which has remained in the frontcourt). Is this a backcourt violation? Would it be a violation if the ball was in the backcourt when A1 secured it?