DevExpress under Delphi XE doesn't work

I've installed the trial version of DevExpress. I can drag and drop DevExpress components on my form, but if I try to compile, Delphi XE says that it c开发者_运维知识库ould't find the files from DevExpress which are written in the uses section.

What am I doing wrong?

Make sure that you have enabled runtime packages for your project and that the devExpress packages are listed. Do this in the project options dialog.

If you had the full version of devExpress then you could optionally link the source files directly into your application without using runtime packages. However, that is not possible for the trial version.