UFT Pro (LeanFT) .NET SDK Reference, Version 14.03
Pinch(Double) Method
The zoom scale resulting from the pinch gesture. This is the ratio between the distance between the fingers at the end of the pinch gesture to the distance between the fingers at the beginning of the pinch gesture.

For example, if you were to touch a screen with your fingers 6 cm apart, and pinch until your fingers were 3 cm apart, the scale would be 0.5. Likewise, if your fingers were 3 cm apart, and you pinch until your fingers are 6 cm apart, the scale would be 2.

Performs a pinch gesture of the specified scale on this object.
Remarks
This method is not supported in Internet Explorer.
Syntax
void Pinch( 
   double scale
)

Parameters

scale
The zoom scale resulting from the pinch gesture. This is the ratio between the distance between the fingers at the end of the pinch gesture to the distance between the fingers at the beginning of the pinch gesture.

For example, if you were to touch a screen with your fingers 6 cm apart, and pinch until your fingers were 3 cm apart, the scale would be 0.5. Likewise, if your fingers were 3 cm apart, and you pinch until your fingers are 6 cm apart, the scale would be 2.