4 files changed, 10 insertions, 8 deletions
diff --git a/src/plugins/winrt/qwinrtcameracontrol.cpp b/src/plugins/winrt/qwinrtcameracontrol.cpp
index 19b718cdd..d209d9394 100644
--- a/src/plugins/winrt/qwinrtcameracontrol.cpp
+++ b/src/plugins/winrt/qwinrtcameracontrol.cpp
@@ -936,7 +936,7 @@ HRESULT QWinRTCameraControl::initialize()
     // Set preview resolution.
     QVector<QSize> filtered;
     const float captureAspectRatio = float(captureResolution.width()) / captureResolution.height();
-    foreach (const QSize &resolution, previewResolutions) {
+    for (const QSize &resolution : qAsConst(previewResolutions)) {
         const float aspectRatio = float(resolution.width()) / resolution.height();
         if (qAbs(aspectRatio - captureAspectRatio) <= ASPECTRATIO_EPSILON)
             filtered.append(resolution);
diff --git a/src/plugins/winrt/qwinrtimageencodercontrol.cpp b/src/plugins/winrt/qwinrtimageencodercontrol.cpp
index 6260a1d66..fc28a8a18 100644
--- a/src/plugins/winrt/qwinrtimageencodercontrol.cpp
+++ b/src/plugins/winrt/qwinrtimageencodercontrol.cpp
@@ -109,7 +109,7 @@ void QWinRTImageEncoderControl::applySettings()
     // Find closest resolution from the list
     const int pixelCount = requestResolution.width() * requestResolution.height();
     int minimumGap = std::numeric_limits<int>::max();
-    foreach (const QSize &size, d->supportedResolutions) {
+    for (const QSize &size : qAsConst(d->supportedResolutions)) {
         int gap = qAbs(pixelCount - size.width() * size.height());
         if (gap < minimumGap) {
             minimumGap = gap;
diff --git a/src/plugins/winrt/qwinrtmediaplayercontrol.cpp b/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
index d00788e64..a07a6b622 100644
--- a/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
+++ b/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
@@ -762,7 +762,8 @@ void QWinRTMediaPlayerControl::setMedia(const QMediaContent &media, QIODevice *s
     QString urlString = media.canonicalUrl().toString();
     if (!d->stream) {
         // If we can read the file via Qt, use the byte stream approach
-        foreach (const QMediaResource &resource, media.resources()) {
+        const auto resources = media.resources();
+        for (const QMediaResource &resource : resources) {
             const QUrl url = resource.url();
             if (url.isLocalFile()) {
                 urlString = url.toLocalFile();
diff --git a/src/plugins/winrt/qwinrtvideodeviceselectorcontrol.cpp b/src/plugins/winrt/qwinrtvideodeviceselectorcontrol.cpp
index 8e806dcbf..07b63be9a 100644
--- a/src/plugins/winrt/qwinrtvideodeviceselectorcontrol.cpp
+++ b/src/plugins/winrt/qwinrtvideodeviceselectorcontrol.cpp
@@ -158,7 +158,7 @@ private:
         if (isDefault)
             defaultDeviceIndex = index;
 
-        foreach (QWinRTVideoDeviceSelectorControl *watcher, watchers)
+        for (QWinRTVideoDeviceSelectorControl *watcher : qAsConst(watchers))
             emit watcher->devicesChanged();
 
         return S_OK;
@@ -180,7 +180,7 @@ private:
         if (index >= 0)
             devices.remove(index);
 
-        foreach (QWinRTVideoDeviceSelectorControl *watcher, watchers)
+        for (QWinRTVideoDeviceSelectorControl *watcher : qAsConst(watchers))
             emit watcher->devicesChanged();
 
         return S_OK;
@@ -189,7 +189,7 @@ private:
     HRESULT onDeviceUpdated(IDeviceWatcher *, IDeviceInformationUpdate *)
     {
         // A name or description may have changed, so emit devicesChanged
-        foreach (QWinRTVideoDeviceSelectorControl *watcher, watchers)
+        for (QWinRTVideoDeviceSelectorControl *watcher : qAsConst(watchers))
             emit watcher->devicesChanged();
 
         return S_OK;
@@ -349,8 +349,9 @@ int QWinRTVideoDeviceSelectorControl::cameraOrientation(const QString &deviceNam
 QList<QByteArray> QWinRTVideoDeviceSelectorControl::deviceNames()
 {
     QList<QByteArray> devices;
-    foreach (const QString &device, g->deviceIndex.keys())
-        devices.append(device.toUtf8());
+    devices.reserve(g->deviceIndex.size());
+    for (auto it = g->deviceIndex.keyBegin(), end = g->deviceIndex.keyEnd(); it != end; ++it)
+        devices.append((*it).toUtf8());
 
     return devices;
 }