KeyUp(Byte) Method
Releases the specified key based on its keyboard scan code.
Remarks
Supports scan code set 1, such as the list shown at: http://www.computer-engineering.org/ps2keyboard/scancodes1.html

C# Syntax

public static void KeyUp( 
   byte keyScanCode
)

Parameters

keyScanCode
The keyboard scan code of the key to release.