static bool hasKeyFrames(QDomElement effect);
static void setParameter(QDomElement effect, const QString &name, const QString &value);
static QString parameter(QDomElement effect, const QString &name);
+ static void setProperty(QDomElement effect, const QString &name, const QString &value);
+ static QString property(QDomElement effect, const QString &name);
void clearList();
private: