UFT Pro (LeanFT) .NET SDK Reference, Version 14.03
LongClick(Location) Method
Defines the location to place the pointer when pressing the mouse button
Presses and holds the left mouse button on the specified point inside this object for the default amount of time (1.1 seconds).
Syntax
void LongClick( 
   Location location
)

Parameters

location
Defines the location to place the pointer when pressing the mouse button