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VB.NET ListView Key

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Submitted on: 4/27/2009 9:15:36 AM
By: brandon teoh 
Level: Intermediate
User Rating: By 1 Users
Compatibility: VB.NET
Views: 8694
(About the author)
 
     In Visual Basic 2008, there is no 'key' while adding an ListViewItem to ListView. Unlike in Visual Basic 6 (98), you can associate a key to a ListViewItem. You wanted to use the the following methods (of ListViewItem.ListViewSubItemCollection), but don't know where to associate a key to the ListViewItem: - IndexOfKey - Find - ContainsKey - RemoveByKey MSDN doesn't explain well enough. The 'key' is actually the 'name' property of each ListViewItem's subitem. And each subitem can have a name. And you are able to find listViewItem by specifying either one of the name (key) of the subitems by using ListViewItem.ListViewSubItemCollection.IndexOfKey method. This is powerful. And if there are duplicate names(keys), this method will return with the first ListViewItem. Otherwise, just use the the ListViewItem.ListViewSubItemCollection.Find method which will return you with an array consist of ListViewItems which match the names (keys) This means that now you can have multiple keys in a ListViewItem. This is even more powerful.
 
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5/2/2009 4:56:34 AMwhoknows

there is no 'key'

you can use the .tag property for each element is the same
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