Unable to eliminate vertical scroll bar

Good morning,

I hope someone can tell me what I am doing wrong. I have a Raspberry Pi 
3B+ running Raspian with X11vnc. The display is a 19" TV with HDMI 
input, dimensions 1360x768. On the workstation, a HP 6305 SFF, I am 
running Slackware 14.2 (stable) and XFCE, with tightvnc 1.3.10 installed 
from the usual Slackbuilds collection. The monitor is a Dell E173FP, 
dimensions 1280x1024. They are connected through a Gigabit Ethernet 
switch, and I can view desktop:0 with no issues. There is a firewall 
running a m0n0wall fork between my networks and Roadrunner.

I have no problem with the horizontal scroll bar on the viewer, but I am 
unable to increase the height of the window enough to make the vertical 
bar disappear. Interestingly, at full height the amount of vertical 
movement appears to be the height of the horizontal bar.

Is there a setting I am missing to allow an increase in the window height?

Thank you,

Bob McConnell
N2SPP


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