fNodeDataDirty
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = true;
fNodeDataDirty = false;
if (!fNodeDataDirty)
fNodeDataDirty = false;
bool fNodeDataDirty;