public int CalculateSudokuAll(bool dancing, SudokuAnswerCallback cb)
{
IntPtr ansPtr = Marshal.GetFunctionPointerForDelegate(new SudokuLib.AnswerCallback((IntPtr data, IntPtr answer, int size) =>
{
if (cb == null)
{
return;
}
string result = Marshal.PtrToStringAnsi(answer, size);
cb.Invoke(result);
}));
return(SudokuLib.CalculateSudokuAll(sudo, (byte)(dancing ? 1 : 0), ansPtr, IntPtr.Zero));
}
