}//End RomanClass operator +
//Subtraction override
//RomanClass operator - ------------------------------------------------
//Pre:Object has been instantiated
//Post: overrides the subtraction letting the two string subtract from one another
//Purpose: returns the class initiated in the method set to the subtraction of the two strings
public static RomanClass operator -(RomanClass leftOp, RomanClass rtOp)
{
RomanClass rtn = new RomanClass(); //set an instance of the Roman Class for the return value
int intNumR = rtOp.ConvertToDecimal(); //Converts first number to decimal
int intNumL = leftOp.ConvertToDecimal(); //Converts the second button to decimal
int intTotal = 0;
if (leftOp > rtOp)
{
intTotal = intNumL - intNumR; //subtracts the left from the right
}
else if (leftOp < rtOp)
{
intTotal = intNumR - intNumL; //subtracts the right from the left
}
rtn.SetString(intTotal); //Sets the PDM of the return value.
return(rtn); //Returns the value
}//End RomanClass operator -
//Addition Override
//RomanClass operator + ------------------------------------------------------
//Pre:Object has been instantiated
//Post: overrides the addition letting the two string add together
//Purpose: returns the class initiated in the method set to the sum of the two strings
public static RomanClass operator +(RomanClass leftOP, RomanClass rtOP)
{
RomanClass rtn = new RomanClass(); //set an instance of the Roman Class for the return value
int intNum1 = leftOP.ConvertToDecimal(); //Converts the second button to decimal
int intNum2 = rtOP.ConvertToDecimal(); //Converts first number to decimal
int intTotal = intNum1 + intNum2; //Adds the two numbers together
//Checks to make sure the number is not over 3999
if (intTotal > 3999)
{
intTotal = 0;
}
rtn.SetString(intTotal); //Sets the PDM of the return value.
return(rtn); //Returns the value
}//End RomanClass operator +