How to specify the JRE (component Pack)

When I created my project, he asked me what JRE to use and I said 4.6.  Now, I want to change to 4.5 (and change to my taste and so forth).  When I go to "Windows-> preferences-> Java-> Installed JREs", I can see all the components, as I should, and I can choose what I want, which makes it the default for newly created projects.  When I right click on my project and go to 'Properties-> Blackberry project-> View/Edit Application Descriptor', there are all my JREs (and so I guess these are the component packs) under the heading "Preprocessor Directives", which doesn't seem to have anything to do with JRE or component.  In addition, they are all greyed out and I can't select another than one marked 'BlackBerrySDK4.6.0', even if I can see all others grayed.

I'm in the right place to change the JRE/component Pack I want to build for and, if so, how do the selections not gray?

Or, if not, is there a file I can edit somewhere that tells what JRE to use Eclipse/Blackberry?

Thank you

Allen

You should see JRE System Library in your project in your package Explorer.

Right-click it, and then click Properties to change your target OS.

The preprocessor directives change each time you change the JRE to use preprocessor to strip the code that is not compatible with a certain operating system.

Tags: BlackBerry Developers

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