IWijlayer Interface

The layer which can append to the wijmaps.

Fields

	Name	Description
	beginUpdate	Called when the wijmaps begins to update the layer status.
	endUpdate	Called when the wijmaps ends update the layer status. The layer will be updated after this function called.
	options	Type: wijmo.maps.wijlayer_options The options of the wijmaps layer.
	refresh	Refresh the layer. Usually used if want to apply the new data to the layer.
	update	Update the layer, redraw the layer if needed. It's called when the center and zoom changed.