public static void Subscribe(NSObject obj, string selector, IntPtrHandler callback)
{
Methods methods = GetMethods(obj, selector);
methods.ActionIntPtr = (IntPtrHandler)Delegate.Combine(methods.ActionIntPtr, callback);
if (!_delegates.ContainsKey(selector))
{
IntPtrHandler3 intPtrHandler = OnCallback;
if (!ObjC.AddMethod(obj.ClassHandle, Selector.GetHandle(selector), intPtrHandler, "v@:@"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
_delegates[selector] = intPtrHandler;
}
}
public static void Subscribe(NSObject obj, string selector, IntPtrHandler callback)
{
var methods = GetMethods(obj, selector);
methods.ActionIntPtr += callback;
if (!_delegates.ContainsKey(selector))
{
IntPtrHandler3 del = OnCallback;
if (!ObjC.AddMethod(obj.ClassHandle, Selector.GetHandle(selector), del, "v@:@"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
else
{
_delegates[selector] = del;
}
}
}
public static void Subscribe(NSObject obj, string selector, IntPtrHandler callback)
{
var methods = GetMethods(obj, selector);
methods.ActionIntPtr += callback;
if (!_delegates.ContainsKey(selector))
{
IntPtrHandler3 del = OnCallback;
if (!ObjC.AddMethod(obj.ClassHandle, selector, del, "v@:@"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
else
{
_delegates[selector] = del;
}
}
}
public static void Unsubscribe(NSObject obj, string selector, IntPtrHandler callback)
{
Methods methods = GetMethods(obj, selector);
methods.ActionIntPtr = (IntPtrHandler)Delegate.Remove(methods.ActionIntPtr, callback);
}
public static void Unsubscribe(NSObject obj, string selector, IntPtrHandler callback)
{
var methods = GetMethods(obj, selector);
methods.ActionIntPtr -= callback;
}
public static void Unsubscribe(NSObject obj, string selector, IntPtrHandler callback)
{
var methods = GetMethods(obj, selector);
methods.ActionIntPtr -= callback;
}