I see the same issue with Multi-Tasking view.
Instead I have configured a hot corner to "Show All Windows" and it works beautifully across 2 monitors:
Applications -> System Tools -> System Settings -> Desktop -> Hot corners
Well, currently you cannot change these icons' size - they are adjusted automatically. However, if you're interested in this feature, you might consider to open a bug report on launchpad. The Multitasking View is part of Gala, the window manager used by elementary OS.
Same problem with me, Nvidia GeForce GTX 1050, using the latest 384.98 Nvidia Driver.
The problem disappears if I switch the driver to use the "Power Saving Mode" which disables the Nvidia GPU and uses the Intel one instead - the return from suspend is much faster and there are no visual defects like the ones on the picture above.
It looks like a problem ...
dbus-send --session --dest=org.pantheon.gala --print-reply /org/pantheon/gala org.pantheon.gala.PerformAction int32:1 in Terminal issues the same dissatisfactory result.
EDIT: pressing WinKey + ➡ does not shift the view to new WorkSpace
This sounds like a bug encountered a while ago, where elementary could not determine the primary ...
I've noticed that who encountered this problem is italian (including me) and thinking about it I've figured out how to solve the problem!
Editing the file (with sudo): /usr/share/applications/gala-multitaskingview.desktop
and replacing the row Icon[it]=vista-multitasking with Icon[it]=multitasking-view
solved the problem!
Ho notato che tutti noi che ...
This is not possible as long as the windows are not closed but only minimized.
As a workaround, you can put these windows you do not want to see among the other to another workspace so they do not show up in the overview on your primary workspace…
After lots and lots of digging, I found the answer — for me, at least! I hope this helps someone else who became addicted to the ease of use brought by combining Mac OS's Exposé and a five-buttoned mouse...
Firstly, I set up xbindkeys using the information here: https://askubuntu.com/a/246849/777016
Specifically, I ran:
sudo apt-get install xbindkeys ...
I have a trackpad with a large middle click zone. Accidentally closing windows is the worst.
So, I disabled middle click in terminal:
xmodmap -e "pointer = 1 99 3 4 5 6 7 8 9"
This takes effect immediately. Then if I start using a mouse, where again I want middle click to work, I run the reverse command:
xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9"