Custom Component Drop-Down Custom Property

Hi,

I'm building a custom transformation component where each input column will have a custom dropdown property.

Here is some code of my code:

namespace MyCustomSSISComponent
{
    public class MyClass : PipelineComponent
    {
	public override void OnInputPathAttached(int inputID)
        {
            base.OnInputPathAttached(inputID);
	    IDTSInput100 ComponentInput = ComponentMetaData.InputCollection[0]; // I have code ensuring only 1 input is allowed
	    for (int i = 0; i < ComponentInput.InputColumnCollection.Count; i++)
            {
		IDTSCustomProperty100 MyProperty = ComponentInput.InputColumnCollection[j].CustomPropertyCollection.New();
                MyProperty.Name = "MyPropertyName";
                MyProperty.UITypeEditor = typeof(MyUITypeEditor).AssemblyQualifiedName;
                MyProperty.State = DTSPersistState.PS_DEFAULT; 
	    }
	}
   }
    public class MyUITypeEditor : UITypeEditor
    {
        public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
        {return UITypeEditorEditStyle.DropDown;
        }
    }
}

What I would like to do now is populate the dropdown list in the custom column property with all the names of the input columns.

Can this be done?

Also, I declared the custom property within the OnInputPathAttached method. Is it appropriate to declare it within this method, or would it be better elsewhere?

Thanks