The virtual-key codes identify various virtual keys. These constants can then be used to refer to the keystroke when using Delphi and Windows API calls or in an OnKeyUp or OnKeyDown event handler. Virtual keys mainly consist of actual keyboard keys, but also include virtual elements such as the three mouse buttons.he virtual-key codes identify various virtual keys. In Delphi, the OnKeyDown and OnKeyUp events provide the lowest level of keyboard response. To use OnKeyDown or OnKeyUp to test for keys the user presses, you must use Virtual key codes to get the key pressed.
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The wildcat is a small cat species complex comprising Felis silvestris and the Felis lybica. The former is native to Europe and the Caucasus; the latter to much of Africa, Southwest and Central Asia into India, and western China. Because of the species' wide range the wildcat is listed as Least Concern on the IUCN Red List since 2002. However, crossbreeding of wildcats and domestic cat occurs in particular in Europe and is considered a potential threat for the preservation of the wild species. T