AcDbLayerStateManager::getLayerStateNames

Acad::ErrorStatus getLayerStateNames(
    AcStringArray& lsArray, 
    bool bIncludeHidden = true, 
    bool bIncludeXref = true
);

Gets an array of the names of all the layer states.

Returns Acad::eOk if successful; otherwise, returns an AutoCAD error status.

Parameters	Description
lsArray	Output an array of layer state names
bIncludeHidden	Input flag to include names of hidden layer states in array.