private void ddlUnits_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var combo = (ComboBox)sender;
var item = (ComboBoxItem)combo.SelectedItem;
//Next line of code is a trick to convert the string content
//of the selected item into the emun.
u = (SysOfUnits)Enum.Parse(typeof(SysOfUnits), item.Content.ToString());
switch (u)
{
case SysOfUnits.Celsius:
calculateButton.Background = new SolidColorBrush(Windows.UI.Colors.DarkRed);
break;
case SysOfUnits.Fahrenheit:
calculateButton.Background = new SolidColorBrush(Windows.UI.Colors.DarkGreen);
break;
case SysOfUnits.Kelvin:
calculateButton.Background = new SolidColorBrush(Windows.UI.Colors.DarkBlue);
break;
default:
break;
}
CalculateTemp();
}
public MainPage()
{
this.InitializeComponent();
if (correctBrush == null)
{
correctBrush = txtInput.Foreground;
}
u = SysOfUnits.Celsius;
playSpeech = false;
speechIcon.Source = new BitmapImage(new Uri(this.BaseUri, "/Assets/speakerMuted.png"));
talker = new SpeechUtil();
}
public static double bmiValue(double height, double weight, SysOfUnits u, out string category)
{
if (height < 0 || weight < 0)
{
throw new ArgumentOutOfRangeException("Neither height nor weight can be negative.");
}
else
{
double _bmi = weight / Math.Pow(height, 2);
if (u == SysOfUnits.Imperial)
{
_bmi *= 703;
}
//Set the category
if (_bmi < 15)
{
category = "Very severely underweight.";
}
else if (_bmi <= 16)
{
category = "Severely underweight.";
}
else if (_bmi <= 18.5)
{
category = "Underweight.";
}
else if (_bmi <= 25)
{
category = "Normal.";
}
else if (_bmi <= 30)
{
category = "Overweight.";
}
else if (_bmi <= 35)
{
category = "Obese Class I (Moderately obese).";
}
else if (_bmi <= 40)
{
category = "Obese Class II (Severely obese).";
}
else
{
category = "Obese Class III (Very Severely obese).";
}
return(_bmi);
}
}
public BMICalc(double height, double weight, SysOfUnits u)
{
if (height < 0 || weight < 0)
{
throw new ArgumentOutOfRangeException("Neither height nor weight can be negative.");
}
else
{
_bmi = weight / Math.Pow(height, 2);
if (u == SysOfUnits.Imperial)
{
_bmi *= 703;
}
}
}
public TempConvert(decimal temp, SysOfUnits u)
{
if (u == SysOfUnits.Celsius)
{
t = temp;
}
else if (u == SysOfUnits.Kelvin)
{
t = temp - 273.15m;
}
else
{
t = (temp - 32m) * 5m / 9m;
}
if (t < -273.15m)
{
throw new ArgumentOutOfRangeException();
}
}
