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rerat
rerat

Reputation: 375

VB.NET - How do you read a value from another thread

I need to read a value from a listview that is on the ui thread from another thread. I know how to set a value using:

Invoke(Sub() Me.lv.Items.add("data"))

But I need to retrieve a value from a listview and am not sure how. Here is what I have so far:

dim selectedItem = Invoke(Sub() Me.lv.Items(x).Text)

I get an error that I need to assign the value to something, but not sure how to do that when I use invoke.

Upvotes: 3

Views: 2184

Answers (2)

dbasnett
dbasnett

Reputation: 11773

How about this

    Dim selectedItem As String
    Invoke(Sub()
               selectedItem = Me.lv.Items(x).Text
           End Sub)

Upvotes: 0

Thomas Levesque
Thomas Levesque

Reputation: 292425

dim selectedItem = CStr(Invoke(New Func(Of String)(Function() Me.lv.Items(x).Text)))

Upvotes: 4

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