//recursively clear buttons that contain minefield spaces with a zero mineCount
public void ClearZeroMineCounts(Space currentSpace, MineField mineField)
{
if (currentSpace.GetMineCount() == 0)
{
foreach (KeyValuePair <int, Point> location in currentSpace.parameter)
{
KeyValuePair <int, Space> adjacentSpace = mineField.GetSpace(location.Value);
if (adjacentSpace.Value != null && buttonMap[adjacentSpace.Key].Enabled)
{
buttonMap[adjacentSpace.Key].Enabled = false;
buttonMap[adjacentSpace.Key].BackColor = Color.Chocolate;
mineField.MoveCloserToWinCondition();
if (adjacentSpace.Value.GetMineCount() != 0)
{
buttonMap[adjacentSpace.Key].Text = adjacentSpace.Value.GetMineCount().ToString();
}
if (adjacentSpace.Value.GetMineCount() == 0)
{
//recursive call
ClearZeroMineCounts(adjacentSpace.Value, mineField);
}
}
}
}
}