C#

Kevin Marois wrote:

I don't understand why because the Dictionary is defined to accept a

List<Action<object>>

. So the 2 lines above should work,
right?
 
What am I doing wrong here?

private Dictionary<Type, List<Action<object>>> internalList;

Kevin Marois wrote:

Except that you can't define
 

private Dictionary<Type, List<Action<object>>> internalList;

 
with a generic. So what's the right way to do this?

private Dictionary<Type, List<Action<T>>> _dict = new Dictionary<Type, List<Action<T>>>();

class MainStorageClass {
 Dictionary<Type, BaseRegistry> registries;

 public void Register<T>(Action<T> callback) {
    Type messageType = typeof(T);
    Registry<T> registry;
 
    if (registries == null)
    {
        registries = new Dictionary<Type, BaseRegistry>();
    }
 
    if (!registries.ContainsKey(messageType))
    {
        registry = new Registry<T>();
        internalList.Add(messageType, registry);
    }
    else
    {
        registry = internalList[messageType];
    }
 
    registry.Actions.Add(callback);
 }
   

 private abstract class BaseRegistry {}
 private class Registry<T> : BaseRegistry {
  internal List<Action<T>> Actions { get; private set; }

  internal Registry() { Actions = new List<Action<T>>(); }
 }
}

public List<Action<T>> Find<T>(){
 if(registries == null) return null;
 BaseRegistry registry;
 if(!registries.TryGetValue(typeof(T), out registry)) return null;
 return (registry as Registry<T>).Actions;
}

cknight725 wrote:

object sender

protected void UpdateButton_Click(object sender, EventArgs e)
{
  System.Web.UI.WebControls.DropDownList caller = (System.Web.UI.WebControls.DropDownList)sender;
  string senderSrc=caller.ID.ToString();
  if (senderSrc=="DropDown1")
  {
    // Do STUFF
  {
  else
  {
    //Do other STUFF
  }

//I happen to know that this is only used by  a total of two DropDownList, I just need to know which "one" called it at runtime. If it were used by more DropDownLists, a switch would be appropriate, and if my more than one type, then additional measures would need to be taken to explicitly cast.
  
}

turbosupramk3 wrote:

Are all strings just byte arrays with terminating 0's?

turbosupramk3 wrote:

stuff 8 bytes into each double long

turbosupramk3 wrote:

Check the other thread for code

turbosupramk3 wrote:

I don't think I'm qualified for writing an article, but I'd be happy to do so

Bastard Programmer from Hell

turbosupramk3 wrote:

I've read those articles before and those people are geniuses!

turbosupramk3 wrote:

I'll try and clean up the class and check out the template though, thank you for that link. I'm guessing it will then be peer reviewed and cleaned up if needed.

Bastard Programmer from Hell