addPointXY method
Add a new point to the end of the mutable point collection by specifying the points x,y coordinates.
Parameters:
x
— The x-coordinate of the new point.y
— The y-coordinate of the new point.
Return Value: the point index where the point was added. If an error occurred, then -1 is returned.
Implementation
int addPointXY({required double x, required double y}) {
return _withThrowingErrorHandler((errorHandler) {
return runtimecore.RT_MutablePointCollection_addPointXY(
_handle, x, y, errorHandler);
});
}