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Editorial Team
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Asked: 2026-05-11T22:33:38+00:00

The following textblock wraps and trims as expected. The elipsis … is displayed when

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The following textblock wraps and trims as expected. The elipsis “…” is displayed when the text is trimmed.

<TextBlock 
    MaxWidth="60" 
    MaxHeight="60" 
    Text="This is some long text which I would like to wrap."
    TextWrapping="Wrap" 
    TextTrimming="CharacterEllipsis" />

I would like to display a tooltip over the text with the full text, but only if the text is trimmed. I’m not sure how to reliably determine if the “…” is being shown or not.

How do I determine if the text is being trimmed or not?

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1 Answer

  1. Editorial Team

    I haven’t done a lot of WPF lately, so I’m not sure if this is what you’re looking for, but check out this article: Customizing “lookful” WPF controls – Take 2. It’s a bit complex, but it seems to address the same question you’re asking. UPDATE: The website seems gone, but you can find the article in the archive. SEE Scott Chamberlain’s ANSWER WITH THE SAMPLE CODE (thanks Scott).

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