Error: invalid use of incomplete type "class QDockWidget"

[houmingc]

1st time using dockWidget
Error: invalid use of incomplete type "class QDockWidget"

@

#include <QtGui>
#include <QMainWindow>

QDockWidget* dockwidget = new QDockWidget(this);
dockwidget->setAllowAreas(Qt::LeftDockWidgetArea| Qt::RightDockWidgetArea);
dockwidget->setWidget(docWidgetContents);
addDockWidget(Qt::LeftDockWidgetArea,dockwidget);

@

[thEClaw]

Looks like you forgot to include the proper header:
@#include <QDockWidget>@

[houmingc]

How to QDockWidget Bottom

[SGaist]

Hi,

Do you mean put it in the Qt::BottomDockWidgetArea ?