Both WPF and Silverlight have a property TextTrimming=”WordEllipsis”, which trims the text that a TextBlock displays based on the available width. This blog post describes a simple method for automatically showing the full text as a tooltip whenever the text is trimmed. This is presented as an attached behaviour and works in both WPF and Silverlight
Read more: ScottLogic
A few weeks ago I blogged about a Silverlight solution for automatically adding tooltips when a TextBlock Text is trimmed and renders an ellipsis. I found a decent looking WPF solutions on the web and linked it in my article, however, based on the comments to my previous blog post, it looks like the WPF solution didn’t work too well, failing to respect font size etc… In this blog post I have updated my solution to be cross-platform, working on WPF and Silverlight.
To briefly recap, my solution for automatically adding tooltips to trimmed text relies on the slightly odd behaviour of the TextBlock where its ActualWidth is reported as the width of the text without trimming:
Read more: ScottLogic
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