swift - Refreshing of Menu Bar View when NSMenu is opened -


i developing app, has custom view in menu bar. menu bar custom nsview redrawn every second. when open nsmenu of view, view freezes , no longer redraws itself. using 

self.graph.needsdisplay = true

to trigger redraw.

is possible refresh nsview in menu bar when nsmenu opened?

turns out duplicate of this topic

the solution add timer runloop:

runloop.main.add(timer, formode: .commonmodes)

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