Forcing Available Property Selections

Posted on 2009-12-18
Medium Priority
Last Modified: 2013-12-17
I am not beginning work with custom controls and am fairly new to C#. I am fine setting and getting all of my current properties... what I am wondering is is it possible to pre-assign some variables associated with a property? Meaning if I have a Human Class and one of the properties is HAIRCOLOR... how do I limit the options to a few colors. For instance

Human human = new Human();
human.haircolor = Color.Black //Is Valid
human.haircolor = Color.Brown //Is Valid

No other colors are valid...
Question by:Pretzel_Jesus
LVL 30

Expert Comment

by:Reza Rad
ID: 26085881
You can set your validation in Set Method of your property. for example:
private Color _haircolor;
public Color HairColor
if(value==Color.Black or value=Color.Brown)
throw new exception("value is not valid");
return _haircolor;
LVL 86

Accepted Solution

Mike Tomlinson earned 2000 total points
ID: 26085936
You could also use an Enum:
    public partial class Form1 : Form
        public Form1()

        private void button1_Click(object sender, EventArgs e)
            Human human = new Human();
            human.HairColor = Human.HairColors.Black;


    public class Human

        private HairColors _HairColor = HairColors.Black;

        public enum HairColors
            Black = 0,
            Brown = 1

        public HairColors HairColor
            get { return _HairColor; }
            set { _HairColor = value; }               


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