UFT Pro (LeanFT) .NET SDK Reference, Version 14.00
KeyUp Method
The keyboard scan code of the key to release.
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
Syntax
public static void KeyUp( 
   byte keyScanCode
)

Parameters

keyScanCode
The keyboard scan code of the key to release.