static void Main(string[] args)
{
double value = 0;
double convertedValue = 0;
bool bError = false;
string convertFrom;
string convertTo;
while (true)
{
// get a number from user
do
{
Console.Write("\n Enter a number you'd like to convert(-999 to exit) : ");
try
{
value = double.Parse(Console.ReadLine());
if (value == -999)
{
Console.WriteLine("\nHave a great day!");
return;
}
bError = false;
}
catch
{
Console.WriteLine(" Error>> Enter numbers only\n");
bError = true;
}
} while (bError);
// get a convertFrom
do
{
Console.Write(" Enter a unit you'd like to convert from: ");
convertFrom = Console.ReadLine();
Console.Write(" Enter a unit you'd like to convert to: ");
convertTo = Console.ReadLine();
try
{
convertedValue = DistanceConversion.Convert(value, convertFrom, convertTo);
bError = false;
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
bError = true;
}
} while (bError);
Console.WriteLine($"\n Converted result>> {value} {convertFrom} = {convertedValue} {convertTo}\n");
Console.WriteLine($" Enter any key to continue...\n");
Console.ReadLine();
}
}
public static void GetConvertFrom()
{
bool bError = false;
double convertedValue = 0;
string convertFrom;
string convertTo;
do
{
// get a number from user
Console.Write("\n Enter a number you'd like to convert: ");
if (double.TryParse(Console.ReadLine(), out double value))
{
// get a convertFrom
Console.Write(" Enter a unit you'd like to convert from: ");
convertFrom = Console.ReadLine();
Console.Write(" Enter a unit you'd like to convert to: ");
convertTo = Console.ReadLine();
try
{
convertedValue = DistanceConversion.Convert(value, convertFrom, convertTo);
bError = false;
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
bError = true;
}
Console.WriteLine($"\n Converted result>> {value} {convertFrom} = {convertedValue} {convertTo}\n");
Console.WriteLine($" Enter any key to continue...\n");
Console.ReadLine();
}
else
{
Console.WriteLine("Error: Enter numbers only\n");
bError = true;
}
} while (bError);
}
