How do I “hide” controls that my control uses from the toolbox?

StackOverflow https://stackoverflow.com/questions/1424672

  •  07-07-2019
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Question

I have developed a control in C#. Among other things this control can popup other controls at runtime. When you include the assembly in Visual Studio, the control that I created shows up, but the other controls (the ones my control uses) show up as well. I would rather not have them show up in the toolbox in Visual Studio. Is there an Attribute that I can apply to these classes to make them not show up? I found the browsable attribute, but it says it is for properties and events.

Was it helpful?

Solution

Add the [ToolboxItem(false)] attribute to the classes that you don't want to show up in the toolbox.

OTHER TIPS

If you declare a UserControl as "internal" instead of "public", it will not show up in the toolbox when you reference the Assembly in another project.

Update: or maybe that doesn't work at all. I can't get my simple test controls to work right when I try to host one in another. Let me know if "internal" works.

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