private static Methods GetMethods(NSObject obj, string selector)
{
if (!_callbacks.TryGetValue(obj.Handle, out Dictionary <IntPtr, Methods> value))
{
value = (_callbacks[obj.Handle] = new Dictionary <IntPtr, Methods>());
}
IntPtr selector2 = ObjC.GetSelector(selector);
if (!value.TryGetValue(selector2, out Methods value2))
{
value2 = (value[selector2] = new Methods(obj));
}
return(value2);
}
public void SaveToPhotosAlbum(Action <NSError> callback = null)
{
if (callback == null)
{
UIImageWriteToSavedPhotosAlbum(Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
else
{
UIImageDispatcher dispatcher = new UIImageDispatcher(callback);
Callbacks.Subscribe(dispatcher, "__onSaveToPhotoAlbum:", delegate(IntPtr obj, IntPtr e, IntPtr ctx)
{
callback((e == IntPtr.Zero) ? null : Runtime.GetNSObject <NSError>(e));
dispatcher.Dispose();
});
UIImageWriteToSavedPhotosAlbum(Handle, dispatcher.Handle, ObjC.GetSelector("__onSaveToPhotoAlbum:"), IntPtr.Zero);
}
}
private static Methods GetMethods(NSObject obj, string selector)
{
Dictionary <IntPtr, Methods> dictionary;
if (!_callbacks.TryGetValue(obj.Handle, out dictionary))
{
_callbacks[obj.Handle] = dictionary = new Dictionary <IntPtr, Methods>();
}
IntPtr selectorHandle = ObjC.GetSelector(selector);
Methods methods;
if (!dictionary.TryGetValue(selectorHandle, out methods))
{
dictionary[selectorHandle] = methods = new Methods(obj);
}
return(methods);
}