Listbox items overflow

Whenever I use a for loop so select each item in the Listbox Using Listbox.SetSelected(i) it overflows over the Listb开发者_Python百科ox. anyone has a solution?

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Since you mention for and overflow, I assume the problem is an index range; most .NET indexers are 0-based, so you need:

for(int i = 0 ; i < collection.Length ; i++)
{
    collection[i].DoSomething();
}

Note also that in most cases foreach is simpler and safer:

foreach(var item in collection)
{
    item.DoSomething();
}