UFT Pro (LeanFT) .NET SDK Reference, Version 14.03
SendKey(Keys,Int32) Method
The key to be pressed.
The time (in milliseconds) to keep the key pressed. The default is 0 (zero).
Simulates pressing a special key in the device keyboard, with the option to define the time to keep the key pressed.
Syntax
void SendKey( 
   Keys key,
   int duration
)

Parameters

key
The key to be pressed.
duration
The time (in milliseconds) to keep the key pressed. The default is 0 (zero).