private bool AreLayerChanged(IList <string> oldNames, IList <Color> oldColors,
SortedDictionary <int, bool> oldVisibility)
{
if (LayerNames.Count != oldNames.Count)
{
return(true);
}
for (var i = 0; i < oldNames.Count; i++)
{
if (LayerNames[i] != oldNames[i])
{
return(true);
}
}
if (LayerColors.Count != oldColors.Count)
{
return(true);
}
for (var i = 0; i < oldNames.Count; i++)
{
if (LayerColors[i] != oldColors[i])
{
return(true);
}
}
foreach (var visibleItem in oldVisibility.Keys)
{
if (!VisibleIndices.ContainsKey(visibleItem))
{
return(true);
}
}
return(false);
}
public bool IsLayerVisible(int layerTagIndex)
{
return(Count != 0 && VisibleIndices.ContainsKey(layerTagIndex));
}