Enums.BingMapsLayerStyle enumeration

The BingMapsLayerStyle can be one of:

Constant	Description
`Enums.BingMapsLayerStyleUnknown`	`(-1)` Unknown Bing Maps layer style.
`Enums.BingMapsLayerStyleAerial`	`(0)` Aeriel layer style.
`Enums.BingMapsLayerStyleHybrid`	`(1)` Hybrid layer style.
`Enums.BingMapsLayerStyleRoad`	`(2)` Road layer style.