Hi Alex

You might want to check this article in regards to your question.

http://techrepublic.com.com/5254-6257-0.html?forumID=99&threadID=184332&messageID=2048042&id=2926438

Simon


>This is a basic question to enhance my understanding.
>
>In a loop is the condition tokenized once and checked every time or is it calculated in every iteration?
>
>Take this example:
>

>for (int i = 0; i < this.TreeView1.Nodes.Count; i++)
>{
>}
>

>
>or is it more efficient (faster) to do:
>

>int nCount = this.TreeView1.Nodes.Count;
>for (int i = 0; i < nCount; i++)
>{
>}
>

>
>Granted, in a short loop it does not really matter as the time differences would be measured in microseconds but the principle of the thing is what I'm looking for.
>
>Every little bit of new knowledge on .NET helps :)