# first, delete existing windows to save memory:
deleteAllWindows(CytoscapeConnection())
cw <- CytoscapeWindow ('setDefaultNodeBorderColor.test', graph=makeSimpleGraph())
displayGraph (cw)
layoutNetwork(cw, 'force-directed')
setDefaultNodeBorderWidth (cw, 4)
setDefaultNodeBorderColor (cw, '#000000') # white borders
# redraw (cw) --> not required anymore
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