public static void Subscribe(NSObject obj, string selector, IntPtrHandler2 callback)
{
Methods methods = GetMethods(obj, selector);
methods.ActionIntPtrIntPtr = (IntPtrHandler2)Delegate.Combine(methods.ActionIntPtrIntPtr, callback);
if (!_delegates.ContainsKey(selector))
{
IntPtrHandler4 intPtrHandler = OnCallbackIntPtrIntPtr;
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, EventHandler <ButtonEventArgs> callback)
{
Methods methods = GetMethods(obj, selector);
methods.EventHandlerInt = (EventHandler <ButtonEventArgs>)Delegate.Combine(methods.EventHandlerInt, callback);
if (!_delegates.ContainsKey(selector))
{
Action <IntPtr, IntPtr, IntPtr, int> action = OnCallbackInt;
if (!ObjC.AddMethod(obj.ClassHandle, Selector.GetHandle(selector), action, "v@:@l"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
_delegates[selector] = action;
}
}
public static void Subscribe(NSObject obj, string selector, EventHandler <ButtonEventArgs> callback)
{
var methods = GetMethods(obj, selector);
methods.EventHandlerInt += callback;
if (!_delegates.ContainsKey(selector))
{
Action <IntPtr, IntPtr, IntPtr, int> del = OnCallbackInt;
if (!ObjC.AddMethod(obj.ClassHandle, Selector.GetHandle(selector), del, "v@:@l"))
{
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.GetHandle(selector), del, "v@:@"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
else
{
_delegates[selector] = del;
}
}
}
