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Virtual key codes

Zitat:

Virtual key codes allow you to represent keyboard values for non-alphanumeric keys. Windows defines special constants for each key the user can press. These constants can then be used to refer to the keystroke in Windows API calls or in an OnKeyUp or OnKeyDown event handler.

Most of the virtual key codes are defined in the Windows unit. Additional key codes may be defined in special-purpose Windows wrappers such as the imm unit. For alphabetic keys, you should use ord with an uppercase character, for example, ord( 'M' ).

To create a virtual key code for an alphanumeric value, use the Ord method. For example the virtual key code for ‘7’ is Ord(‘7’).