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  1. using System;
  2. using System.Drawing;
  3. using System.Runtime.InteropServices;
  4.  
  5. internal class GCBuffer : SafeBuffer {
  6. 	protected GCHandle gch;
  7. 	public GCBuffer(object value)
  8. 		: base(true) {
  9. 		gch = GCHandle.Alloc(value, GCHandleType.Pinned);
  10. 		handle = gch.AddrOfPinnedObject();
  11. 	}
  12.  
  13. 	protected override bool ReleaseHandle() {
  14. 		gch.Free();
  15. 		return !gch.IsAllocated;
  16. 	}
  17.  
  18. 	public static void Main(string[] args) {
  19. 		var bytes = new byte[] {
  20. 			0x01, 0x00, 0x00, 0x00,
  21. 			0x02, 0x00, 0x00, 0x00,
  22. 			0x03, 0x00, 0x00, 0x00,
  23. 			0x04, 0x00, 0x00, 0x00,
  24. 		};
  25. 		using(var buffer = new GCBuffer(bytes)) {
  26. 			buffer.Initialize<byte>((uint)bytes.Length);
  27. 			Console.WriteLine(buffer.Read<Rectangle>(0ul));
  28. 			buffer.Write(0ul, new Point(-1, -2));
  29. 			buffer.ReadArray(0ul, bytes, 0, bytes.Length);
  30. 			Console.WriteLine(BitConverter.ToString(bytes));
  31. 		}
  32. 	}
  33. }
Success #stdin #stdout 0.04s 24232KB
comments (?)
stdin 
Standard input is empty
stdout 
{X=1,Y=2,Width=3,Height=4}
FF-FF-FF-FF-FE-FF-FF-FF-03-00-00-00-04-00-00-00
https://ideone.com/P6ZpjV
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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