[QGIS-Developer] How to run QGIS 3 processing tool (DISSOLVE) in c++

[SSchmidt at gfi-gis.de]

Hello,

for my QGIS C++ Plugin I have to run the QgsDissolveAlgorithm- processing 
tool.
I have found an example, how to do that in python:
import processing

infn = "path/to/dissolve"
outfn2 = "output/path/value/dissolve"

#dissolve features based on values in an attribute table field
processing.run("native:dissolve", {'INPUT':infn, FIELD':['GRID_CODE'], 
'OUTPUT':outfn2})

I searched in QGIS sources and on github but found no example, how to do 
that in c++.
Has anybody an idea?

Freundliche Grüße aus Leipzig
Susann Schmidt
Softwareentwicklung 

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