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POHow do I use my own debugger visualiser to edit variables runtime?
 

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  1. POHow do I use my own debugger visualiser to edit variables runtime?
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    <p>I'm writing my own debugger visualiser. All works great to show up to visualiser with the data.</p> <p>Now I add the code for more clearness:</p> <pre><code>public class MyVisualiserObjectSource : VisualizerObjectSource { public override void GetData(object target, Stream outgoingData) { string data= target as string; var writer = new StreamWriter(outgoingData); writer.Write(data); writer.Flush(); } } public class MyVirtualizer : DialogDebuggerVisualizer { protected override void Show(IDialogVisualizerService windowService, IVisualizerObjectProvider objectProvider) { var streamReader = new StreamReader(objectProvider.GetData()); string data = streamReader.ReadToEnd(); using (var form = new MyVirtualizerForm(data)) { windowService.ShowDialog(form); } } } </code></pre> <p>The string here is passed to the visualizer and show my own form. It works. But now I want to pass back the modified data from the form to the variable.</p> <p>How do I do that?</p> <p><strong>Edit:</strong></p> <p>I found out that I need to override the <code>TransferData</code> method in <code>VisualizerObjectSource</code>. But in the <a href="http://msdn.microsoft.com/en-us/library/microsoft.visualstudio.debuggervisualizers.visualizerobjectsource.transferdata%28v=vs.80%29.aspx" rel="nofollow">MSDN</a> is no detail information about how I implement this correctly.</p> <p>Can someone help me please?</p> <p><strong>Edit 2:</strong></p> <p>I looked with IL-Spy what <code>TransferData</code> method does. It throws an exception. So I override the method. But it is still not working. In the <code>incomingData</code> is the modified string from the <code>Form</code>. But I do not get back this value into the variable :(</p> <pre><code>public class StringVisualiserObjectSource : VisualizerObjectSource { public override void GetData(object target, Stream outgoingData) { var data = target as string; var writer = new StreamWriter(outgoingData); writer.Write(data); writer.Flush(); } public override void TransferData(object target, Stream incomingData, Stream outgoingData) { incomingData.CopyTo(outgoingData); } } </code></pre>
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    1. USCodeTherapist
    1. USCodeTherapist
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      1. POHow do I use my own debugger visualiser to edit variables runtime?
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    3. VO
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    1. COThere is not enough info in this question for anyone to provide an answer.
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      1. POHow do I use my own debugger visualiser to edit variables runtime?
      1. USJohn Koerner
    2. COI've corrected the terminology and improved the title, but you really haven't supplied enough information for anyone to reliably be able to answer this question other than with generic methodology. Do you have some code you've tried? Any research?
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      1. USJ. Steen
    3. COYeah, sorry. I added code now. I do not found any information about how to do that.. :|
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      1. USCodeTherapist
 

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