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  1. using System;
  2. using System.Drawing;
  3. using System.Collections.Generic;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main() {
  8. 		var list = new List<Point>();
  9. 		list.Add(new Point(10, 20));
  10. 		list.Add(new Point(20, 40));
  11. 		list.Add(new Point(40, 80));
  12.  
  13. 		list[1].X = 30;
  14.  
  15. 		foreach(var pt in list) {
  16. 			Console.WriteLine(pt);
  17. 		}
  18.  
  19. 	}
  20. }
Compilation error #stdin compilation error #stdout 0.03s 24256KB
comments (?)
stdin 
1
2
10
42
11
compilation info 
prog.cs(13,11): error CS1612: Cannot modify a value type return value of `System.Collections.Generic.List<System.Drawing.Point>.this[int]'. Consider storing the value in a temporary variable
Compilation failed: 1 error(s), 0 warnings
stdout 
Standard output is empty
https://ideone.com/rDwtu6
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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