Is it guaranteed that the external user-interface handler gets called by the Installer in the same thread that calling InstallProduct?

Question

Is it guaranteed that the external user-interface handler gets called by the Installer in the same thread that calling InstallProduct?

Answer

No, in fact they will come from different threads.

Content credit also belongs to

• Ken, MSI Team Dev. You can get other Ken insights about developing for Windows Installer from the Windows Installer Chat Archives

[Author: Robert Flaming]

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