C# to VB.NET Conversion Error

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Ok, I've been searching online for almost 6 Hrs and Gave up on this.

I used a code snippet from a Website to create a Small C# Application.

I am learning to do the same in VB.net and finally ended up writing below ( Actually Converting C# to VB.NET)

VB

Private Sub btnSearch_Click(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles btnSearch.Click, btnSearch.Tap
Dim MyClient As New PatDemoService.GetPatDemoClient
MyClient.GetPatDemoCompleted += New EventHandler(Of GetPatDemoCompletedEventArgs)(AddressOf MyClient_GetPatDemoCompleted)
MyClient.GetPatDemoAsync(TextBox1.Text)
End Sub

Private Sub MyClient_GetPatDemoCompleted(sender As Object, e As GetPatDemoCompletedEventArgs)
lbPatData.ItemsSource = e.Result
End Sub

After conversion, I Get an error Here( on the line where it is bold). Error says

'Public Event GetPatDemoCompleted(sender As Object, e As PatDemoService.GetPatDemoCompletedEventArgs)' is an event, and cannot be called directly. Use a 'RaiseEvent' statement to raise an event.

Can someone Help me out on this?

Posted 2-Jun-13 13:37pm

Vamshi Krishna Naidu

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2 solutions

Solution 1

You did not show the source (C#) code, so I cannot check it up. You also did not provide a reference to the translator. Some of the on-line translators are better than others.

Besides, if you can spend a bit more time on compilation and decompilation, there is a high-quality open-source off-line option, ILSpy.

Please see my past answers:
FixedPage to ContentPage convert c# code into vb.net[^],
Need to convert vb code to c#[^].

—SA

Posted 2-Jun-13 14:37pm

Sergey Alexandrovich Kryukov

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TnTinMn · Accepted Answer · 2013-06-02T15:17:00

Many C# to VB converters fail to translate the wiring up of event handlers properly.

Based on your indicate line of:

MyClient.GetPatDemoCompleted += New EventHandler(Of GetPatDemoCompletedEventArgs)(AddressOf MyClient_GetPatDemoCompleted)

I would guess that it should been translated to:

Addhandler MyClient.GetPatDemoCompleted, Addressof MyClient_GetPatDemoCompleted