[Mono-devel-list] cocoa#

meddochat (Matthijs ter Woord) meddochat at zonnet.nl
Sat Jun 19 13:13:52 EDT 2004

In monocvs there is a module named cocoasharp (or somethign like that).

does somebody has taken a  look at it?


  ----- Original Message ----- 
  From: Patrick Beard 
  To: mono-devel-list at lists.ximian.com 
  Sent: Saturday, June 19, 2004 19:12
  Subject: Re: [Mono-devel-list] cocoa#

  I know of no official Cocoa# effort. However, here's a little sample code I've written that might get things started. I'm still learning C# myself, so I don't know if there is a more direct way to get a library loaded, so this causes the Cocoa umbrella framework to be loaded by calling into NSRealMemoryAvailable().

  - Patrick

  using System;
  using System.Reflection;
  using System.Runtime.InteropServices; // for DllImport.

  public class CocoaTest {
  const string libobjc = "libobjc.dylib";

  [DllImport(libobjc, EntryPoint="objc_getClass", CharSet=CharSet.Ansi)]
  public static extern int objc_getClass(string name);

  [DllImport(libobjc, EntryPoint="sel_registerName", CharSet=CharSet.Ansi)]
  public static extern int sel_registerName(string name);

  [DllImport(libobjc, EntryPoint="objc_msgSend")]
  public static extern int objc_msgSend(int self, int cmd);

  [DllImport(libobjc, EntryPoint="objc_msgSend", CharSet=CharSet.Ansi)]
  public static extern int objc_msgSend(int self, int cmd, string arg);

  static int selector(string name) {
  return sel_registerName(name);

  const string Cocoa = "/System/Library/Frameworks/Cocoa.framework/Cocoa";

  [DllImport(Cocoa, EntryPoint="NSRealMemoryAvailable")]
  public static extern uint NSRealMemoryAvailable();

  [DllImport(Cocoa, EntryPoint="NSLog")]
  public static extern void NSLog(int message);

  public static void Main(string[] args) {
  // Call into Cocoa to get it loaded.
  uint realMemoryAvailable = NSRealMemoryAvailable();
  Console.WriteLine("realMemoryAvailable = " + realMemoryAvailable);
  // Push an autorelease pool.
  int NSAutoreleasePool = objc_getClass("NSAutoreleasePool");
  int pool = objc_msgSend(NSAutoreleasePool, selector("new"));
  // allocate an NSString.
  int NSString = objc_getClass("NSString");
  int message = objc_msgSend(NSString, selector("stringWithCString:"), "Hello from Cocoa!");
  objc_msgSend(pool, selector("release"));
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