How to custom shadow width?

DangDKhanh-2637 941 Reputation points

after showing the tooltip,
its shadow is quite small and looks very dark, is there any way I can disperse the shadow?

I have read this post but it is quite confusing because I don't know what is real solution?

Is it possible to achieve this? (something that can adjust the opacity)

Thanks you.

Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,507 questions
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
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