How do you create your own management element and use it repeatedly?
Synthesis of the issue
And my control element (or several elements) was in the MyControls, for example.
At the same time, the reference should be added by myself when I retract from the panel of elements my form control element.
And let's pretend that I don't have a source, that there's only a library left.
I didn't work with DevExpress, but the idea is that you should add a reference to MyControl.dll to your project, not through the Circumstances of Extensive, but through the Projects-Translation. After that, you make Rebiuld, and everything in MyControl.dll is inherited from UserControl will appear in the studio tulbox.