Converting C# Code to VB Code

Question

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What would be the VB code for this C# code?...

C#

BeginInvoke(
                    new Action(() =>
                        {
                            explorerList = list;
                            dgvObjectExplorer.RowCount = explorerList.Count;
                            dgvObjectExplorer.Invalidate();
                        })

And This...

VB

ThreadPool.QueueUserWorkItem(
                (o)=>ReBuildObjectExplorer(text)
            );

Posted 7-May-11 7:17am

rspercy65

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Tarun.K.S · Answer 1 · 2011-05-07T07:27:00

Solution 1

You can use this excellent converter : http://www.developerfusion.com/tools/convert/csharp-to-vb/[^]

Update:

Well the above mentioned tool converted your second query to this:

VB

ThreadPool.QueueUserWorkItem(Function(o) ReBuildObjectExplorer(text))

For the first one, it requires more code to support conversion.

Posted 7-May-11 7:27am

Tarun.K.S

Updated 7-May-11 7:41am

v2

Comments

rspercy65 7-May-11 13:29pm

I've tried all converters and all give the same results. None of it works.

Tarun.K.S 7-May-11 13:43pm

Check my updated answer.

rspercy65 7-May-11 14:03pm

ERROR : ThreadPool.QueueUserWorkItem(Function(o) ReBuildObjectExplorer(text)) does not produce a value.

It says it has to be a delagate Sub.
ThreadPool.QueueUserWorkItem(AddressOf ReBuildObjectExplorer, text) This works.

The other code...
BeginInvoke(
new Action(() =>
{
explorerList = list;
dgvObjectExplorer.RowCount = explorerList.Count;
dgvObjectExplorer.Invalidate();
})
};
has to remain in the sub it was created in. I tried using a Delagate sub but still no results are being displayed in the DataGridView. Here is the code I used...

Private Sub RebuildObjectExplorer(byVal text As String)
...blah, blah, blah
...
list.Sort(lastClassIndex + 1, list.Count - (lastClassIndex + 1), New ExplorerItemComparer())
explorerList = list

BeginInvoke(New Action(AddressOf PopulateGrid))
Catch

End Try
End Sub

Private Sub PopulateGrid()
dgv.RowCount = explorerList.Count
dgv.Invalidate()
End Sub

It seams to work in C-Sharp very well, but, not in VBNET