/// <summary>
/// Gets the nested entity inside the BlockReference under mouse cursor and computes its transformation
/// </summary>
private Entity GetNestedEntity(System.Drawing.Point mousePos, IList <Entity> entList, ref Transformation accumulatedParentTransform)
{
int[] index;
Entity ent;
index = GetCrossingEntities(new Rectangle(mousePos.X - 5, mousePos.Y - 5, 10, 10), entList, true, true, accumulatedParentTransform);
if ((index != null && index.Length > 0))
{
if (entList[index[0]] is BlockReference)
{
BlockReference br = (BlockReference)entList[index[0]];
accumulatedParentTransform = accumulatedParentTransform * br.GetFullTransformation(Blocks);
ent = GetNestedEntity(mousePos, Blocks[br.BlockName].Entities, ref accumulatedParentTransform);
return(ent);
}
else
{
return(entList[index[0]]);
}
}
return(null);
}
