Cannot obtain value of local or argument 'hwndSource' as it is not available at this instruction poi

Posted by Dänu on Stack Overflow See other posts from Stack Overflow or by Dänu
Published on 2010-06-13T18:57:07Z Indexed on 2010/06/13 19:02 UTC
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Hey Guys

I'm playing around with Interops and I thought: "Hey let's code something that accesses the clipboard ..." so I googled and found some articles (yeah I'm doing it with WPF - .Net 3.5).

However the following method generates an error (as seen in the title) and throws a stackoverflow.

private void Window_SourceInitialized(object sender, EventArgs e)
{
    // Hook to Clipboard
    base.OnSourceInitialized(e);
    HwndSource hwndSource = PresentationSource.FromVisual(this) as HwndSource;
    if (hwndSource != null)
    {
        installedHandle = hwndSource.Handle;
        viewerHandle = SetClipboardViewer(installedHandle);
        hwndSource.AddHook(new HwndSourceHook(this.hwndSourceHook));
    }
    // End Hook to Clipboard 
} 

I have (really) no idea what's going on there.

Any Ideas?

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