Mega Code Archive
IConvertible Interface defines methods that convert the current instance to a language runtime type
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using System;
class Complex : IConvertible
{
double x;
double y;
public Complex(double x, double y)
{
this.x = x;
this.y = y;
}
public TypeCode GetTypeCode()
{
return TypeCode.Object;
}
bool IConvertible.ToBoolean(IFormatProvider provider)
{
if( (x != 0.0) || (y != 0.0) )
return true;
else
return false;
}
double GetDoubleValue()
{
return Math.Sqrt(x*x + y*y);
}
byte IConvertible.ToByte(IFormatProvider provider)
{
return Convert.ToByte(GetDoubleValue());
}
char IConvertible.ToChar(IFormatProvider provider)
{
return Convert.ToChar(GetDoubleValue());
}
DateTime IConvertible.ToDateTime(IFormatProvider provider)
{
return Convert.ToDateTime(GetDoubleValue());
}
decimal IConvertible.ToDecimal(IFormatProvider provider)
{
return Convert.ToDecimal(GetDoubleValue());
}
double IConvertible.ToDouble(IFormatProvider provider)
{
return GetDoubleValue();
}
short IConvertible.ToInt16(IFormatProvider provider)
{
return Convert.ToInt16(GetDoubleValue());
}
int IConvertible.ToInt32(IFormatProvider provider)
{
return Convert.ToInt32(GetDoubleValue());
}
long IConvertible.ToInt64(IFormatProvider provider)
{
return Convert.ToInt64(GetDoubleValue());
}
sbyte IConvertible.ToSByte(IFormatProvider provider)
{
return Convert.ToSByte(GetDoubleValue());
}
float IConvertible.ToSingle(IFormatProvider provider)
{
return Convert.ToSingle(GetDoubleValue());
}
string IConvertible.ToString(IFormatProvider provider)
{
return String.Format("({0}, {1})", x, y);
}
object IConvertible.ToType(Type conversionType, IFormatProvider provider)
{
return Convert.ChangeType(GetDoubleValue(),conversionType);
}
ushort IConvertible.ToUInt16(IFormatProvider provider)
{
return Convert.ToUInt16(GetDoubleValue());
}
uint IConvertible.ToUInt32(IFormatProvider provider)
{
return Convert.ToUInt32(GetDoubleValue());
}
ulong IConvertible.ToUInt64(IFormatProvider provider)
{
return Convert.ToUInt64(GetDoubleValue());
}
}
class Class1
{
static void Main(string[] args)
{
Complex testComplex = new Complex(4,7);
Console.WriteLine(Convert.ToBoolean(testComplex));
}
}
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