setLayerVisibility
Set the visibility state of a layer.
setLayerVisibility([in] LONG layerHandle, [in] VARIANT_BOOL visibility)
This function sets the visibility state of a layer. The visibility
argument should be true to make the layer visible, or false to make it
not visible.
The layer argument is an opaque layer handle, returned by getLayer
.
VB:
' toggle the state of layer i
layer = viewer.getLayer(i)
visible = viewer.getLayerVisibility(layer)
viewer.setLayerVisibility(layer, Not visible)