getLayer
Get a layer handle.
getLayer([in] int idx, [out, retval] LONG *layerHandle)
This function returns an opaque handle for the specified layer. The
handle can then be passed to the other layer functions.
Layers are numbered 0 through n-1 (where n is the value returned by
getNumLayers
).
VB:
n = viewer.getNumLayers()
For i = 0 To n-1
layer = viewer.getLayer(i)
name = viewer.getLayerName(layer)
visible = viewer.getLayerVisibility(layer)
' ... add a list entry using name and visible ...
Next i