Collapsed Spaces Around <Run /> » Fortes

Collapsed Spaces Around <Run />

March 15, 2007 Tagged: wpf

In response to my previous post, Nick asks:

Why are my spacings dropped when I have: <Run>NYC </Run> <Run> Hickster</Run>? This comes out NYCHickster

The space collapsing around Run can be a little tricky. The easiest thing to do if you’re running into this issue is to use Run.Text, like so:

<Run Text="NYC " /><Run Text="Hickster" />

This technique works for inserting multiple spaces as well.

Update 3/18: Sheva points out a different method I had completely forgotten about — using xml:space="preserve":

<Span xml:space="preserve"><Run>NYC</Run> <Run>Hickster</Run></Span>

Viewing 6 Comments

Mike B. 1 year ago 1 point
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I'm sure there is probably a very good reason, but why would WPF not recognize spaces between tags? Seems to ignore the idea that spaces are characters too. Are you an anti-spacite?

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Fortes 1 year ago 1 point
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Mike -- Did you ask this question just so you could use that joke?

The WPF parser is quirky when it comes to collapsing spaces around tags, and honestly, I don't know all the rules (been a long time since I worked there, I guess).

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Sheva 1 year ago 1 point
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Actually you can preserve the white spaces between element tag using the following trick:

Sheva

http://shevaspace.spaces.live.com/

Mike B. 1 year ago 1 point
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fil - well, yeah... partially.

It's always bothered me that 1 or more spaces/tabs in HTML only ever get translated to 1 space. I realize that it's probably to prevent stupid users from creating whitespace-based layouts, and also to allow the source to be formatted to be easily read without affecting the rendered page. But doing so seems to create confusion and also rounds the edges off of what should be a more strict document interpretation.

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Rob Relyea 1 year ago 1 point
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Fil-
I can't repro. See: http://rrelyea.spaces.live.com/blog/cns!167AD7A...
Thx, Rob

http://rrelyea.spaces.live.com

Fortes 1 year ago 1 point
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Run is stripped. Try:

<pre>ParagraphRunHello /RunRun World/Run/Paragraph</pre>

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