//object.Equals(object)
//ex... p1.Equals(p2)
public override bool Equals(object obj)
{
//ensure that obj is not null
//and that the object types are identical
if (obj == null || this.GetType() != obj.GetType())
{
return(false);
}
else
{
//converts to a TwoDPoint
TwoDPoint point = (TwoDPoint)obj;
return(this.x == point.x && this.y == point.y);
}
}
//handle button click
private static void btn_Click(object sender, EventArgs e)
{
//clean/format point
//ex... (4,5) becomes "4","5"
string[] first = box1.Text.Split(new char[] { '(', ',', ')' }, StringSplitOptions.RemoveEmptyEntries);
string[] second = box2.Text.Split(new char[] { '(', ',', ')' }, StringSplitOptions.RemoveEmptyEntries);
//construct x and y coords of both points
int p1x = int.Parse(first[0]);
int p1y = int.Parse(first[1]);
int p2x = int.Parse(second[0]);
int p2y = int.Parse(second[1]);
//set points with content from text boxes
TwoDPoint p1 = new TwoDPoint(p1x, p1y);
TwoDPoint p2 = new TwoDPoint(p2x, p2y);
//compare and convert result to string
//to display in label
lbl.Text = p1.Equals(p2).ToString();
}
