StackOverflow2013

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plurals

PO
primarykey
Id
6097516
data
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0
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CreationDate
2011-05-23T12:59:12.300
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2011-05-23T12:59:12.300
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762467
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6069983
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2
Score
1
ViewCount
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LastEditorDisplayName
text
Body
Sorry for the late reply. First of all thank you for your quick and helpful responses. The tip that's not possible <blockquote> do anything to a Form or Control from a worker thread </blockquote> helped me a lot. I usually not doing GUI programming for Microsoft's Windows and so I'm not so familiar with it. So I reconsidered the previous source code because I wanted to solve the actual problem (not doing GUI things from a worker thread) and would like to have a clean and logical code structure. Therefore I've read in the topics of Window's Component Object Model (COM) and the used threading model: <ul> <li>What is COM: <a href="http://www.microsoft.com/com/default.mspx" rel="nofollow">http://www.microsoft.com/com/default.mspx</a></li> <li>Understanding and Using COM Threading Models: <a href="http://msdn.microsoft.com/en-us/library/ms809971.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/ms809971.aspx</a></li> <li>Understanding The COM Single-Threaded Apartment Part 1: <a href="http://www.codeproject.com/KB/COM/CCOMThread.aspx" rel="nofollow">http://www.codeproject.com/KB/COM/CCOMThread.aspx</a></li> </ul> Now the code looks like this: The main window ("UI thread") is started in <code>ApartmentState STA</code> <pre><code>... ThreadStart threadStart = delegate { RunMainWindow(mainWindow); }; Thread mainWindowThread = new Thread(threadStart); mainWindowThread.SetApartmentState(ApartmentState.STA); mainWindowThread.Start(); ... </code></pre> "Save" button event handler (main window): <pre><code>private void bSave_Click(object sender, EventArgs e) { OpenSaveFileDialog(); } </code></pre> Method "OpenSaveFileDialog" (main window): <pre><code>private void OpenSaveFileDialog() { SaveFileDialog saveFileDialog = new SaveFileDialog(); ... DialogResult pressedButton = saveFileDialog.ShowDialog(); ... } </code></pre> There is still space for optimizations (for sure), but I'm comfortable with this - preliminary - result. So thanks a lot for your help.
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1. This table or related slice is empty.
PostParentId
1. POSaveFileDialog: InvalidOperationException due to "owner" parameter in a multi-threaded application
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1. PTAnswer
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1. This table or related slice is empty.
UserOwnerUserId
1. USBenedikt
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1. This table or related slice is empty.
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VotesPostIdCreationDate
1. VO
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1. This table or related slice is empty.

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