Dialog Qt::NonModal 0 0 382 303 Sum Line Length In Polygons true Output summed length field name LENGTH 10 Qt::Vertical 20 21 Output Shapefile true Browse Input polygon vector layer Qt::Horizontal QDialogButtonBox::Close|QDialogButtonBox::Ok 24 Qt::AlignCenter true Input line vector layer buttonBox_2 progressBar buttonBox_2 accepted() Dialog accept() 133 512 215 290 buttonBox_2 rejected() Dialog close() 59 512 132 239