As in the PropertyGrid when working with a field of type List, click on the "Add" button to open your own form? those. I have a form with a checkedListBox object that contains some list, I want to open a form in the PropertyGrid when adding an element to the list to select the necessary objects from the checkedListBox, and after closing this form, it is necessary that the selected elements in the checkedListBox are added to the list.

That's what I want to get

  • Your Wishlist is completely realizable, but the code is obtained indecently a lot to answer on the forum. See the PropertyGrid FAQ . IMHO, your way is over complicated. I would make a dropdown list . But if you want to certainly so, then you will additionally here . - Alexander Petrov
  • In your method of confusion, you need to open an additional form from the standard collection editor (and for this, somehow, click the button), and then return the values. - Alexander Petrov

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