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Editorial Team
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Asked: 2026-05-29T19:10:19+00:00

I found this documentation that indicates you can start Delphi with an alternate registry

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I found this documentation that indicates you can start Delphi with an alternate registry key. But I can’t get it to work (using Delphi 2007, also tried 2010). The target of my shortcut is

“C:\Program Files\CodeGear\RAD Studio\5.0\bin\bds.exe” -pDelphi
-rHKEY_CURRENT_USER\Software\Borland\BDS\5.0

When I run that Delphi starts up with no packages loaded.
Am I passing the key in a wrong way? Is this a feature not in 2007/2010? (it seems to be there, since the packages normally loaded on startup are not loaded)

What am I trying to slove?:

I have different release brances using different versions of thirdparty components. When I need to fix a bug on an old branch, the UI (running with a later thirdparty version) change the dfm, uses section ect. to fit the version installed in UI. The old branch still link agains the old version of thirdparty, and crash

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1 Answer

  1. Editorial Team

    Yes, you are using the r parameter with a wrong value. The default value is “BDS” and the resulting key is “HKEY_CURRENT_USER\Software\Borland\BDS\5.0” (for D2007). If you specify another value like “MyKey” it will use the key “HKEY_CURRENT_USER\Software\Borland\MyKey\5.0”.

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