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mimedata.cpp Example File
draganddrop/delayedencoding/mimedata.cpp

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 #include <QtGui>
 #include "mimedata.h"

 MimeData::MimeData()
     : QMimeData()
 {
 }

 QStringList MimeData::formats() const
 {
     return QMimeData::formats() << "image/png";
 }

 QVariant MimeData::retrieveData(const QString &mimeType, QVariant::Type type)
          const
 {
     emit dataRequested(mimeType);

     return QMimeData::retrieveData(mimeType, type);
 }