sortedList to viewList is SLOW!

[Guy007]

Guys,

I have a sortedList, and I want to display it as a table - column one being the sorted list's key, and column 2 being the actual value.

I tried it as follows, using a viewList to display everything:

foreach (String word in sortedList1.GetKeyList())
{
  String[] entry = new String[] { word, (String)sortedList1[word]};
  viewList1.Items.Add(new ListViewItem(entry));
}
 

But this is slow - it takes minutes to process a few with a couple thousand entires!

Any ideas how i can do this another (FASTER) way!! ;)

thanks

[Guy007]

no ideas?! :'(

[kenobewan]

Maybe try creating an arraylist from the sortedlist and bind to the listview. Probably faster to store data in an object and bind than reading and writing each item.

[Guy007]

i still haven't figured out how to bind the arraylist to the listview!

I tried using a hashtable instead of a sorted list, then iterating through the hashtable and updating the listview accordingly. this gave slightly better performance, but we are still far away from acceptable levels!

How can i do this using multithreading? maybe a threadpool or something?

my code is as follows:

//populate myHashTable
 
foreach (string key in myHashTable)
{
    String[] entry = new String[] { key, (string)myHashTable[key] };
    myListView.Items.Add(new ListViewItem(entry));
}
 
//continue with other code

How can I introduce multithreading in this part!? Any ideas?

Thanks!