UFT Pro (LeanFT) .NET SDK Reference, Version 14.00
KeyDown Method
The keyboard scan code of the key to hold.
Presses and holds the specified key using a 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 KeyDown( 
   byte keyScanCode
)

Parameters

keyScanCode
The keyboard scan code of the key to hold.