void viewport_OutputChanged(object sender, RectChangedEventArgs e) { OnOutputChanged(e.newRect, e.oldRect); }
void viewport_OutputChanged(object sender, RectChangedEventArgs e) { OnOutputChanged(e.newRect, e.oldRect); }
void viewport_VisibleChanged(object sender, RectChangedEventArgs e) { OnVisibleChanged(e.newRect, e.oldRect); }
void viewport_VisibleChanged(object sender, RectChangedEventArgs e) { OnVisibleChanged(e.newRect, e.oldRect); }