question

smileagain-8179 avatar image
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smileagain-8179 asked XiaopoYang-MSFT answered

About ShellIconOverlayIdentifiers's dll

Hi,

As I test the "Overlay Icon" DLL, I have a question.
I understand that the maximum number of "Overlay Icon" available is 15.
However, there are times when DLLs are loaded and sometimes they are not.
When 20 overlay icons are registered, all 20 DLLs are loaded.
Sometimes, not all of them are loaded.

<Test Method>
1. Windows Logoff
2. Logon
3. Repeat 1 to 2
(Windows restart is the same.)

Can you tell me why this is happening?

Thanks.

windows-apic++
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1 Answer

XiaopoYang-MSFT avatar image
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XiaopoYang-MSFT answered

According to the question and linked blog, It's complicated. Just do not exceed 15.

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