I'm having no problem adding components to to the Palette in Delphi 2007. Generally I do this by adding units to a .dproj and then installing the .dproj. I've tried to delete a unit - and that appeared to work. Later I tried to add the unit back into the .dproj and I received an error message that the unit was already there - even though not visible. Can anyone explain what I've done wrong, and the fix?
bob on whidbey 0 Light Poster
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