Issue an error message if you do not initialize all of the fields in a structure

   

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa

Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/

//
//  Struct.cs - Issue an error message if you do not initialize all of
//              the fields in  a structure
//
//               Compile this program with the following command line:
//                   C:>csc Struct.cs
//
using System;

namespace nsStruct
{
    struct POINT
    {
        public int cx;
        public int cy;
        public int var;
        public override string ToString ()
        {
            return ("(" + cx + ", " + cy + ")");
        }
    }
    public class StructDemo2
    {
        static public void Main ()
        {
            POINT pt;
            pt.cx = 24;
            pt.cy = 42;
            Console.WriteLine (pt);
//            Console.WriteLine ("(" + pt.cx + ", " + pt.cy + ")");
        }
    }
}