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August 2024

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2 discussions

Customisable web app styling
by Greg Keogh Aug. 5, 2025

Aug. 5, 2025

Folks, I'm trying to find the "best" way of allowing different customers to style their own hosted version of our web app (actually a Blazor net8.0 app). For years we hosted a single global copy of the app in our Azure subscription where multiple customers would use it. It has a single line for the app's styles: <link rel="stylesheet" href="app.css" /> When customers deploy the app in their own subscriptions it would be great to leave the default app.css file untouched but allow them to easily override any style elements they like. What's the best way of doing that? Do I simply append a line like: <link rel="stylesheet" href="{some customer uri}/custom.css" /> Do styles in that link override any identical ones in the previous one? I'm not sure of the cascade order or conventions. There might be better techniques I'm not aware of. Thanks, *Greg K*

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XAML images in WPF?
by Greg Keogh Aug. 1, 2024

Aug. 1, 2024

Folks, in a video I saw a few weeks ago I learned that the Visual Studio team uses XAML for most of their images, not png or similar. I'm keen to do the same because I imagine that I would no longer need tedious sets of 16x16 32x32 48x48 ... etc images because each XAML file is composed from scalable geometry elements that would look good at any size. I downloaded the Image Library <https://www.microsoft.com/en-us/download/details.aspx?id=35825> which contains thousands of XAML, png and svg sets of standard images. But I can't figure out how to *simply* use the XAML files in a WPF app. All the examples I can find seem to have pasted the contents of the XAML images into resource files and then reference them by x:Key. I don't want to manually paste XAML around like that, I just want to add a file like *FolderClosedBlue.xaml* (for example) to my project and use it as the icon for a menu or button as simply as possible. How can I replace this sort of thing?... <MenuItem Header="_Foo Command" Command="..."> <MenuItem.Icon> < use the XAML image file somehow instead of a resource png? > </MenuItem.Icon> </MenuItem> Is there some coding trick I'm not aware of to *simply* use an image defined in a XAML file in my app? Cheers, *Greg K*

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