There are a couple of things to keep in mind when designing a class that inherits from a Control if you want to interact with it in the Form Designer.
First, you have to be able to create it with a zero parameter constructor.
Second, if your Control class has any fields that are also your own...
I want to see if certain keys are pressed so I can scroll a window if the user is holding down the space bar.
Windows.Forms.Control has the static property ModifierKeys, but that only works for SHIFT, CTRL, and ALT. I need something that works the same way for any key.
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