C / C++ / MFC

void CMyView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default

	int x = -1;
	switch(nChar)
	{
	case VK_DOWN:
		x = SendMessage(WM_VSCROLL,SB_LINEDOWN,(LPARAM)0);
		TRACE("\n %d \n",x);
		break;
	default:
		break;
	}

	CZoomView::OnKeyDown(nChar, nRepCnt, nFlags);
}

void loop()
{
    float tmpVALUE=0;    //necessary to place it here to get temp reading
    char dataToSend[100];
    //char converttmpVALUE=0;
    
  // Creating a connection to a device
  if(!BT.createConnection("0003190D102D","02"))
  {
    USB.println("");
    USB.print("--- CONNECTION -- MTU: ");
    USB.print(BT.connection_mtu[0],BYTE);
    USB.print(BT.connection_mtu[1],BYTE);
    USB.println(BT.connection_mtu[2],BYTE);    
  }
  else USB.println("Connection failed");
  
  
  tmpVALUE = SensorEvent.readValue(SENS_SOCKET5);
  
  if(tmpVALUE>0.5)
  {
    tmpVALUE=((int)((tmpVALUE-0.5)/0.01)); //here's the changes that i made to my coding by adding int 
  }
  else
  {
    tmpVALUE=((int)tmpVALUE*0.01);
  }
  
  delay(100);
  XBee.print("Temperature: ");
  XBee.println(tmpVALUE);
  delay(5000);
  
  
  // obtain and sending tmpVALUE
  sprintf(dataToSend,"%.0f",tmpVALUE);   
  if(!BT.sendData(dataToSend)) USB.println("Data sent OK");
  else USB.println("Error while sending data");