'UWP clear translucent window possible?

Is clear translucency possible with a UWP application, something like below possible?

enter image description here

NOT, blurred translucency (so-called acrylic) like this.

enter image description here

uwp


Solution 1:[1]

It is not possible as part of UWP, but it is possible to use underlaying Windows APIs, SetLayeredWindowAttributes of user32. Please see this example project: Github castorix/WinUI3_Transparent

Furthermore, there are discussions and considerations in various repos:

ExtendsContentIntoTitleBar & SetTitleBar make TitleBar unusable, Proposal: Layered window and full Transparent window for UWP apps.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 BirukTes