1. Computing

TScreen Object Demystified (.ActiveForm, .ActiveControl, .FormsCount, ...)

From Zarko Gajic, About.com GuideSeptember 10, 2012

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VCL Usage :: Coding the TScreen object, obtainer of all information about the current state of the screen in a Delphi application. Simply put, TScreen represents the state of the screen in which an application runs. This essential object tells us what Windows, and naturally Delphi, thinks are the properties of the entire screen. And much more ... a must read!

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