CompoundStructure.GetPreviousNonZeroLayerIndex
Method
Description:
Returns the index of the nearest non-zero width layer before this layer.
Returns the index of the nearest non-zero width layer before this layer.
Remarks:
If this layer is non-zero width, it will be returned. If there are non-zero width layers found, returns -1.
If this layer is non-zero width, it will be returned. If there are non-zero width layers found, returns -1.