panZoomStart method
Dispatch a pointer pan zoom start event at the given location
, caching the
hit test result.
Implementation
Future<void> panZoomStart(Offset location, {Duration timeStamp = Duration.zero}) async {
assert(
_pointer.kind == PointerDeviceKind.trackpad,
'Only trackpads can send PointerPanZoom events.',
);
return TestAsyncUtils.guard<void>(() async {
return _dispatcher(_pointer.panZoomStart(location, timeStamp: timeStamp));
});
}