Checks and answers whether buttons are typically ordered from left to
right or from right to left. Useful for building button bars that shall
comply with the platform's layout style guide.
For example the Windows style guide recommends to layout out
OK, Cancel, Apply from left to right, where the Mac Aqua style
guide recommends to layout out these buttons from right to left.
Although most button sequences shall honor this order some buttons
require a left to right order. For example Back, Next or
Move Left, Move Right.