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5,451 questions
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Hi @John Marsing ,
Welcome to Microsoft Q&A!
What is your project type? For some project types, Toolbox may not show any items. The .NET version that your project targets also affect the set of controls visible in Toolbox. You can change the target framework from project properties.
Besides, you can right click on Toolbox and choose “Show All” to show all controls.
If “Show All” doesn’t work, you can right-click on Toolbox > choose “Choose Items” > browse to your DLL > add it to Toolbox.
Meanwhile, please go to Tools > Options > Windows Forms Designer > General > ensure that “Automatically Populate Toolbox” option is set to “true”.
Sincerely,
Anna
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