If the region has focus and you try to pan the axes by dragging with the mouse, you see nothing unless you leave the region.
With zoom (via mouse wheel) there is immediate feedback.
SMath Studio: SMath Studio Desktop 0.98.6096.24657, x64
OS: Microsoft Windows NT 6.1.7601 Service Pack 1 (Microsoft Windows 7 Professional , x64)
Screen: 1920x1080 px, 96x96 dpi
Localization: separator=<semicolon>; decimal symbol=<comma>; system decimal symbol=<comma>; language=GER
Frameworks: CLR 2.0.50727.5485
installed versions:
v2.0.50727 2.0.50727.5420 SP2
v3.0 3.0.30729.5420 SP2
v3.5 3.5.30729.5420 SP1
v4
Client 4.6.01055
Full 4.6.01055
v4.0
Client 4.0.0.0