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VB.net assign image to TreeView node by name

Posted on 2012-04-06
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Last Modified: 2012-04-06
I have to load a TreeView's images from an array of image names (not indexes). Is it possible to load an image from resources to a TreeView node?
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Question by:murbro
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4 Comments
 
LVL 85

Expert Comment

by:Mike Tomlinson
ID: 37816575
The images need to be in an ImageList for use with the TreeView.  You could load up the images from the resources into an ImageList at run-time, and associate each Name with the correct Index using a Dictionary.

Do the images really need to be resources though?...why not just load them directly into an ImageList?
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Author Comment

by:murbro
ID: 37816632
Hi. Thanks. You are right. They don't need to be in resources. I just realised that they are actually held in a folder, How do you associate each name with a dictionary? Thanks
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LVL 85

Accepted Solution

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Mike Tomlinson earned 500 total points
ID: 37816654
You could actually do something really simple like this using a String Array:
Public Class Form1

    Private ImageNames() As String = {"cat", "dog", "fish"}

    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        Dim index As Integer = Array.IndexOf(ImageNames, "dog")
        ' ... use "index" with your ImageList ...
    End Sub

End Class

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Author Closing Comment

by:murbro
ID: 37816717
Great answer.Thanks very much
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