Initializes or reinitializes the system image list.1
Remarks
If you are using system image lists in your own process, you must call FileIconInit at the following times:
[...]
FileIconInit is not included in a header file. You must call it directly from Shell32.dll, using ordinal 660.
Footnotes
https://docs.microsoft.com/en-us/windows/win32/shell/fileiconinit ↩