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CmdPal: fix a perf regression loading pages (#39415)

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This was especially noticable with the icons extension.

Turns out in #39051, when I was experimenting with getting AoT clean,
i accidentally called this twice. Then we actually commited that
straight up.

This PR reverts that. It also moves a similar case where we were
initializing all the tags on the UI thread. That's wrong too - we need
to fetch properties off the UI thread, then update the list on the UI
thread.

Closes nothing, I didn't file this yet.
This commit is contained in:
Mike Griese
2025-05-16 10:47:44 -05:00
committed by GitHub
parent 0e9c5a82dd
commit c9656754bd
2 changed files with 9 additions and 12 deletions
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16
src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/ListItemViewModel.cs
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@@ -107,17 +107,17 @@ public partial class ListItemViewModel(IListItem model, WeakReference<IPageConte
private void UpdateTags(ITag[]? newTagsFromModel)
{
var newTags = newTagsFromModel?.Select(t =>
{
var vm = new TagViewModel(t, PageContext);
vm.InitializeProperties();
return vm;
})
.ToList() ?? [];
DoOnUiThread(
() =>
{
var newTags = newTagsFromModel?.Select(t =>
{
var vm = new TagViewModel(t, PageContext);
vm.InitializeProperties();
return vm;
})
.ToList() ?? [];
// Tags being an ObservableCollection instead of a List lead to
// many COM exception issues.
Tags = new(newTags);