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I have one dll of usercontrol and I add to it to the references in my project. And now I want to access this usercontrol from toolbox but it does not appear in the toolbox. And I can access them by writing code, but I want it in toolbox and want to use by just dragging it to the form.

Harikrishna
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  • Does this answer your question? [How do I add my new User Control to the Toolbox or a new Winform?](https://stackoverflow.com/questions/8931328/how-do-i-add-my-new-user-control-to-the-toolbox-or-a-new-winform) – StayOnTarget Jul 25 '23 at 14:43

5 Answers5

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You need to right click on the toolbox, select "Choose Items.." and browse to the dll containing the control.

Dave7896
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    And added control will be located in which category like, all windows forms or common controls? – Harikrishna Jan 20 '10 at 12:28
  • if i choose the dll from the debug folder does it point to the release dll automatically when i distribute my app? – Jeroen Feb 18 '11 at 08:48
  • I ran into a BadImageFormatException when try your solution. My "AutoPopulateToolbox" setting is set to "True," and I've also Reset my Toolbox – Kevin Meredith Jul 10 '12 at 18:26
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Drag & Drop the dll (from explorer) to the desired category (in VS 2012).

Andrew Dennison
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1

Right click on the toolbox -> Choose items...

Stormenet
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0

Right Click on empty field of toolbox and select "choose item" and then go to your project folder and select your dll file (or EXE file)

Reza Majidi
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The user control must have a default constructor. Otherwise it is not shown in the choose items pop-up. It might be also necessary to rebuild solution to add it to toolbox.

Here is the reference

Rahul Sutar
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