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The application require ComCtrl32.dll 5.8 and where as one of its loaded require ComCtrl32.dll 6.0. How it possible?
Tried with specifying the versions in manifest of both application and dll project. But the dlls still using the 5.8 at some point( application manifest ).
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 12%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
If you make the EXE use V6, is there a problem?
See the discussion of activation contexts here - How can you use both versions 5 and 6 of the common controls within the same module?
Yes.
The situation is there exe and multiple dlls.
Exe and other dll require version 5 and one dll require 6.
Hope a dll manifest and Preprocessor Definition of ISOLATION_AWARE_ENABLED in dll project is enough.
It does not works.
At some point the ComCtrl32 version changed - i.e after a CDialog DoModal call.
One more doubt.
What is the relation between /ALLOWISOLATION linker option and ISOLATION_AWARE_ENABLED Preprocessor.
ComCtrl32.dll is an ActiveX control and on one machine only one version can be installed/registered; that's why it's called DLL-Hell: https://en.wikipedia.org/wiki/DLL_Hell
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 34%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXY%3C/text%3E%3C/svg%3E)
According to MSDN Isolating Components and the SO thread, with ISOLATION_AWARE_ENABLED used, you need to save contexts which need to be isolated. Then you active the context before you call on each entry functions and deactivate the context after functions returned.