const string CURRENT_DIR = ".";
const int MAX_SIZE_LOG_FILE = 100;  // 100MB
IntPtr ptrDir = Marshal.StringToHGlobalAnsi(CURRENT_DIR);
result = (BS2ErrorCode)API.BS2_SetDebugFileLogEx(Constants.DEBUG_LOG_OPERATION_ALL, Constants.DEBUG_MODULE_ALL, ptrDir, MAX_SIZE_LOG_FILE);
Marshal.FreeHGlobal(ptrDir);
if (result != BS2ErrorCode.BS_SDK_SUCCESS)
{
	Console.WriteLine("Got error({0}).", result);
	return;
}