Currently you can set the dash type only through the chartObject, as illustrated in this feedback item
Regarding the binding URL points you can bind your chart to a data source that has a field with the desired URLs. You can handle the client series clicked/hover event of the chart where you can obtain this value through the args.get_dataItem().URLField method, where URLField is the custom field from the data source. More information on the matter is available in the following resources:
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