If it is a packaged control, it can be directly attached to the toolbox, and then dragged to the form to use it.
Additional steps: open the toolbox - click the right mouse button anywhere in the toolbox - find [Option (I)...] - click the [Browse] button in the lower right corner - then find the control you want to attach and select ——Click the [Open] button——finish.
It is used in the same way as other controls.
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