# first, delete existing windows to save memory:
deleteAllWindows(CytoscapeConnection())
cw <- CytoscapeWindow ('clearSelection.test', graph=makeSimpleGraph())
displayGraph (cw)
layoutNetwork(cw)
selectNodes (cw, 'A')
print (getSelectedNodeCount (cw)) # should be 1
clearSelection (cw)
print (getSelectedNodeCount (cw)) # should be 0
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