Siemens SINUMERIK 840DE sl Commissioning Manual page 862

Generating user dialogs
1.11 Multitouch operation
The following commands are available:
Command
SetRotationAngle
SetRotationMode
SetZoomMode
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Meaning/behavior
The graphic is rotated around the angle indicated in lparam1.
The value of lparam1 defines the evaluation of the pinch gesture with respect
to the rotation.
Value equal to 1 - the gesture is processed by the control
If the value of lparam1 is equal to 1, the pinch gesture for zooming in to/out
from or moving the graphic is evaluated.
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
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