if (sD != null && sD instanceof BrowserDisplayNode && sF == dF) {
int column = 0;
BrowserDisplayNode sourceNode = (BrowserDisplayNode)sD;
BrowserDisplayNode destNode = null;
ParameterHolder qq_column = new ParameterHolder(column);
DisplayNode qq_tempNode = TreeField.locateNode(this.getqq_Browser(), UIutils.milsToPixels(dX), UIutils.milsToPixels(dY), qq_column);
column = qq_column.getInt();
destNode = (BrowserDisplayNode)qq_tempNode;
// LocateNode is the method used to determine which
// row the drop occured on. It returns a DisplayNode
// which we cast into a BrowserDisplayNode. Column
// is returned also, but isn't used in this example.