This a A* pathfinding example to illustrate how to implement a A* pathfinding algorithm into your program. It s a port from Patrick Lesters example in BlitzBasic to VB.Net. It uses a Binary Heap class I made to sort the score values. -A* pathfinding example to illustr ate how to implement a A* pathfinding algorithm into your program. It's a port from Patrick Leste rs example in BlitzBasic to VB.NET. It uses a Bin Indigenous Heap class I made to sort the score values.