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-rw-r--r--examples/itemviews/spreadsheet/printview.h2
-rw-r--r--examples/opengl/hellowindow/hellowindow.h2
-rw-r--r--examples/opengl/paintedwindow/paintedwindow.h2
3 files changed, 6 insertions, 0 deletions
diff --git a/examples/itemviews/spreadsheet/printview.h b/examples/itemviews/spreadsheet/printview.h
index 43a7bb39b7..358aee008a 100644
--- a/examples/itemviews/spreadsheet/printview.h
+++ b/examples/itemviews/spreadsheet/printview.h
@@ -43,7 +43,9 @@
#define PRINTVIEW_H
#include <QTableView>
+QT_BEGIN_NAMESPACE
class QPrinter;
+QT_END_NAMESPACE
class PrintView : public QTableView
{
diff --git a/examples/opengl/hellowindow/hellowindow.h b/examples/opengl/hellowindow/hellowindow.h
index 371d60ac16..82d275aa68 100644
--- a/examples/opengl/hellowindow/hellowindow.h
+++ b/examples/opengl/hellowindow/hellowindow.h
@@ -46,7 +46,9 @@
#include <QColor>
#include <QTime>
+QT_BEGIN_NAMESPACE
class QOpenGLContext;
+QT_END_NAMESPACE
class Renderer : public QObject
{
diff --git a/examples/opengl/paintedwindow/paintedwindow.h b/examples/opengl/paintedwindow/paintedwindow.h
index b5e9afbebb..1792a0a744 100644
--- a/examples/opengl/paintedwindow/paintedwindow.h
+++ b/examples/opengl/paintedwindow/paintedwindow.h
@@ -47,7 +47,9 @@
#include <QColor>
#include <QTime>
+QT_BEGIN_NAMESPACE
class QOpenGLContext;
+QT_END_NAMESPACE
class PaintedWindow : public QWindow
{