updated tryIfConnected
updated tryIfConnected


Former-commit-id: 15f97a4d47f85697616197fa0e1685ffc4617fd0
StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011,StackableRegiments/metl2011