getLayerVisibility
Get the visibility state of a layer.
getLayerVisibility([in] LONG layerHandle, [out, retval] VARIANT_BOOL *visibility)
This function returns the current visibility state of a layer - true
if the layer is visible, false if it is 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)