[Pen gesture] Press and hold [Mouse action] Right-click [Event messages] ISG_HOLDENTER sent when the pen has been down long enough. ISG_RIGHTTAP sent when pen is lifted and right-click occurs. [Mouse messages] WM_RBUTTONDOWN and WM_RBUTTONUP sent when right click occurs (when pen is lifted). Show shortcut menu. [Pen gesture description] 
Tap the screen and hold until a mouse icon appears, and then lift the pen to display a shortcut menu. An application could choose to perform an action different from showing a right-click menu when the pen is lifted.