Use range-for instead of foreach in examples

Task-number: QTBUG-60662
Change-Id: Ief9264e2b6670466bd74278dbd194a7be81d614f
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 4 insertions, 2 deletions

diff --git a/examples/charts/legendmarkers/mainwidget.cpp b/examples/charts/legendmarkers/mainwidget.cpp
index 4222b960..46b2b275 100644
--- a/examples/charts/legendmarkers/mainwidget.cpp
+++ b/examples/charts/legendmarkers/mainwidget.cpp
@@ -107,7 +107,8 @@ void MainWidget::connectMarkers()
 {
 //![1]
     // Connect all markers to handler
-    foreach (QLegendMarker* marker, m_chart->legend()->markers()) {
+    const auto markers = m_chart->legend()->markers();
+    for (QLegendMarker *marker : markers) {
         // Disconnect possible existing connection to avoid multiple connections
         QObject::disconnect(marker, &QLegendMarker::clicked,
                             this, &MainWidget::handleMarkerClicked);
@@ -119,7 +120,8 @@ void MainWidget::connectMarkers()
 void MainWidget::disconnectMarkers()
 {
 //![2]
-    foreach (QLegendMarker* marker, m_chart->legend()->markers()) {
+    const auto markers = m_chart->legend()->markers();
+    for (QLegendMarker *marker : markers) {
         QObject::disconnect(marker, &QLegendMarker::clicked,
                             this, &MainWidget::handleMarkerClicked);
     }