Retrieve all controls using generics (I)

Gettings all controls from a container That’s the question How many times have you ever heard something similar? :) How to clear the content of all the textboxes in a form? The question may vary a littles bit but it’s always related to obtain all controls of a determined type (Button TextBox, etc) in a form or maybe in another type of container like a Panel or user control.

Extended shortcodes

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