public void GameButton_Click(object sender, RoutedEventArgs e)
{
if (true == wingame)
{
MessageBox.Show("You have to restart again to play game");
return;
}
GameButton btn = sender as GameButton;
GameButtonState btnState = new GameButtonState(btn.Id, btn);
// int digit = Convert.ToInt32(btn.Content.ToString());
int row = ((int)btn.GetValue(Grid.RowProperty));
int col = ((int)btn.GetValue(Grid.ColumnProperty));
int digit = row * nRows + col;
btn.Position = digit;
btnState.Oldpos = btn.Position;
//record into undo/redo stack before moving.
btn.Move();
btnState.Newpos = btn.Position;
gameUndoStack.Push(btn);
gameReplayList.Add(btnState);
Title = gameUndoStack.Count.ToString();
}//end GameButton_Click
void undoItem_Click(object sender, RoutedEventArgs e)
{
try
{
//fromgamestatelist remove lastitem
GameButton btn = gameUndoStack.Pop();
btn.Move();
Title = gameUndoStack.Count.ToString();
}
catch (Exception ex)
{
MessageBox.Show("Game Board Is in Original State!, No further undo possible");
}
}
