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Blazor Access Dark/Light status


Hi!

Is there any way to access the light/dark/system value of the current user theme inside the c# side? We have some off-the-shelf components that require to know the state (light/dark) so they can fit the same theme - I can only find a function that gets the default not the Current value.

Thanks!
John


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Replies (1)


Hi,

The current value is stored inside localStorage, you can get current mode by accessing a data-bs-theme localStorage value.

Here is an example:

protected override async Task OnAfterRenderAsync(bool firstRender)
{
if(firstRender){
var state = await JS.InvokeAsync<string>("localStorage.getItem", "data-bs-theme");
await JS.InvokeVoidAsync("console.log", state);
}
}


Also, you can use Blazored.LocalStorage package to access localStorage value.
https://www.nuget.org/packages/Blazored.LocalStorage/

Regards,
Lauris Stepanovs,
Keenthemes Support Team


Text formatting options
Submit
Here's a how to add some HTML formatting to your comment:
  • <pre></pre> for JS codes block
  • <pre lang="html"></pre> for HTML code block
  • <pre lang="scss"></pre> for SCSS code block
  • <pre lang="php"></pre> for PHP code block
  • <code></code> for single line of code
  • <strong></strong> to make things bold
  • <em></em> to emphasize
  • <ul><li></li></ul>  to make list
  • <ol><li></li></ol>  to make ordered list
  • <h3></h3> to make headings
  • <a></a> for links
  • <img> to paste in an image
  • <blockquote></blockquote> to quote somebody
  • happy  :)
  • shocked  :|
  • sad  :(
Text formatting options
Submit
Here's a how to add some HTML formatting to your comment:
  • <pre></pre> for JS codes block
  • <pre lang="html"></pre> for HTML code block
  • <pre lang="scss"></pre> for SCSS code block
  • <pre lang="php"></pre> for PHP code block
  • <code></code> for single line of code
  • <strong></strong> to make things bold
  • <em></em> to emphasize
  • <ul><li></li></ul>  to make list
  • <ol><li></li></ol>  to make ordered list
  • <h3></h3> to make headings
  • <a></a> for links
  • <img> to paste in an image
  • <blockquote></blockquote> to quote somebody
  • happy  :)
  • shocked  :|
  • sad  :(