/// <summary>
/// Equals - compares this Size3D with the passed in object. In this equality
/// Double.NaN is equal to itself, unlike in numeric equality.
/// Note that double values can acquire error when operated upon, such that
/// an exact comparison between two values which
/// are logically equal may fail.
/// </summary>
/// <returns>
/// bool - true if the object is an instance of Size3D and if it's equal to "this".
/// </returns>
/// <param name='o'>The object to compare to "this"</param>
public override bool Equals(object o)
{
if ((null == o) || !(o is Size3D))
{
return(false);
}
Size3D value = (Size3D)o;
return(Size3D.Equals(this, value));
}
private void PerformOperation(object sender, RoutedEventArgs e)
{
RadioButton li = (sender as RadioButton);
// Strings used to display the results
String syntaxString, resultType, operationString;
// The local variables point1, point2, vector2, etc are defined in each
// case block for readability reasons. Each variable is contained within
// the scope of each case statement.
switch (li.Name)
{ //begin switch
case "rb1":
{
// Checks if two Size3D structures are equal using the static Equals method.
// Returns a Boolean.
// Declaring Size3D structure without initializing x,y,z values
Size3D size1 = new Size3D();
// Declaring Size3D structure and initializing x,y,z values
Size3D size2 = new Size3D(5, 10, 15);
Boolean areEqual;
// Assigning values to size1
size1.X = 2;
size1.Y = 4;
size1.Z = 6;
// checking for equality
areEqual = Size3D.Equals(size1, size2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Size3D.Equals(size1, size2);";
resultType = "Boolean";
operationString = "Checking if two Size3D structures are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Checks if an Object and a Size3D structure are equal using the non-static Equals method.
// Returns a Boolean.
// Declaring Size3D structure without initializing x,y,z values
Size3D size1 = new Size3D();
// Declaring Size3D structure and initializing x,y,z values
Size3D size2 = new Size3D(5, 10, 15);
Boolean areEqual;
// Assigning values to size1
size1.X = 2;
size1.Y = 4;
size1.Z = 6;
areEqual = size1.Equals(size2);
// areEqual is False
// Displaying Results
syntaxString = "areEqual = Size3D.Equals(size1, size2);";
resultType = "Boolean";
operationString = "Checking if an object and a Size3D structure are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Checks if two Size3D structures are equal using the overloaded == operator.
// Returns a Boolean.
// Declaring Size3D structure without initializing x,y,z values
Size3D size1 = new Size3D();
// Declaring Size3D structure and initializing x,y,z values
Size3D size2 = new Size3D(5, 10, 15);
Boolean areEqual;
// Assigning values to size1
size1.X = 2;
size1.Y = 4;
size1.Z = 6;
// Checking for equality
areEqual = size1 == size2;
// areEqual is False
// Displaying Results
syntaxString = " areEqual = size1 == size2;";
resultType = "Boolean";
operationString = "Checking if two Size3D structures are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Checks if two Size3D structures are not equal using the overloaded != operator.
// Returns a Boolean.
Size3D size1 = new Size3D(2, 4, 6);
Size3D size2 = new Size3D(5, 10, 15);
Boolean areNotEqual;
areNotEqual = size1 != size2;
// areNotEqual is True
// Displaying Results
syntaxString = "areNotEqual = size1 != size2;";
resultType = "Boolean";
operationString = "Checking if two Size3D structures are not equal";
ShowResults(areNotEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Converts a string representation of a 3-D size into a Size3D structure.
Size3D sizeResult = new Size3D();
sizeResult = Size3D.Parse("10,20,30");
// sizeResult is equal to (10,20,30)
// Displaying Results
syntaxString = "sizeResult = Size3D.Parse(\"10,20,30\");";
resultType = "Size3D";
operationString = "Converting a string into a Size3D structure";
ShowResults(sizeResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Explicitly converts a Size3D structure into a Vector3D structure
// Returns a Vector3D.
Size3D size1 = new Size3D(2, 4, 6);
Vector3D vector1 = new Vector3D();
vector1 = (Vector3D)size1;
// vector1 is equal to (2, 4, 6)
// Displaying Results
syntaxString = "vector1 = (Vector3D)size1;";
resultType = "Vector3D";
operationString = "Expliciting casting a Size3D into a Vector3D";
ShowResults(vector1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Explicitly converts a Size3D structure into a Point3D structure
// Returns a Vector3D.
Size3D size1 = new Size3D(2, 4, 6);
Point3D point1 = new Point3D();
point1 = (Point3D)size1;
// point1 is equal to (2, 4, 6)
// Displaying Results
syntaxString = "point1 = (Point3D)size1;";
resultType = "Point3D";
operationString = "Expliciting casting a Size3D into a Point3D";
ShowResults(point1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Checks if a Size3D structure is empty
// Returns Boolean
Size3D size1 = new Size3D(0, 0, 0);
Boolean isEmpty;
isEmpty = size1.IsEmpty;
// isEmpty is False
// Displaying Results
syntaxString = "isEmpty = size1.IsEmpty;";
resultType = "Boolean";
operationString = "Checking if a Size3D structure is empty";
ShowResults(isEmpty.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Gets an empty Size3D structure
Size3D size1 = new Size3D(2, 4, 6);
size1 = Size3D.Empty;
// size1 is now empty
// Displaying Results
syntaxString = "size1 = Size3D.Empty;";
resultType = "Size3D";
operationString = "Getting an empty Size3D structure";
ShowResults(size1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb10":
{
// Gets a string representation of a Size3D Structure
Size3D size1 = new Size3D(2,4,6);
String sizeString;
sizeString = size1.ToString();
// sizeString is equal to "2,4,6"
// Displaying Results
resultType = "String";
syntaxString = "sizeString = size1.ToString();";
operationString = "Getting the ToString of size1";
ShowResults(sizeString.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Gets the hashcode of a Size3D Structure
Size3D size1 = new Size3D(2, 4, 6);
int sizeHashcode;
sizeHashcode = size1.GetHashCode();
// Displaying Results
resultType = "int";
syntaxString = "sizeHashcode = size1.GetHashCode;";
operationString = "Getting the hashcode of size1";
ShowResults(sizeHashcode.ToString(), syntaxString, resultType, operationString);
break;
}
default:
break;
} //end switch
}
/// <summary>
/// Equals - compares this Size3D with the passed in object. In this equality
/// Double.NaN is equal to itself, unlike in numeric equality.
/// Note that double values can acquire error when operated upon, such that
/// an exact comparison between two values which
/// are logically equal may fail.
/// </summary>
/// <returns>
/// bool - true if "value" is equal to "this".
/// </returns>
/// <param name='value'>The Size3D to compare to "this"</param>
public bool Equals(Size3D value)
{
return(Size3D.Equals(this, value));
}
