TIP: position a control by code
I needed to re-position the installer progressbar by code, since I wanted a different vertical position. I needed to use the standard NSIS without ModernUI changed resources, don't ask why...
I was planing to ask it in the forum, because such a initial simple quest drove me crazy. But I wanted a solution so spent a long time searching MSDN, NSIS Wiki, and tried a lot of differnet solutions... and finally solved it myself.
To help others saving some time, I post my solution. Be happy with it.