containerextension.pro Example File

 TEMPLATE = lib
 TARGET   = $$qtLibraryTarget($$TARGET)
 CONFIG  += designer plugin
 QTDIR_build:DESTDIR  = $$QT_BUILD_TREE/plugins/designer

 HEADERS += multipagewidget.h \
            multipagewidgetplugin.h \
            multipagewidgetcontainerextension.h \
            multipagewidgetextensionfactory.h

 SOURCES += multipagewidget.cpp \
            multipagewidgetplugin.cpp \
            multipagewidgetcontainerextension.cpp \
            multipagewidgetextensionfactory.cpp

 # install
 target.path = $$[QT_INSTALL_PLUGINS]/designer
 sources.files = $$SOURCES $$HEADERS *.pro
 sources.path = $$[QT_INSTALL_EXAMPLES]/designer/containerextension
 INSTALLS += target sources

 symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)