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Calculating variable row height in GetHeightForRow


Calculating row heights might be expensive and scrolling performance can suffer if you have larger amounts of data. In that scenario, override UITableViewSource.EstimatedHeight(UITableView, NSIndexPath) to quickly provide a number sufficient for rapid scrolling, e.g.,:

public override nfloat EstimatedHeight(UITableView tableView, NSIndexPath indexPath) 
    return 44.0f; 

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