Clever Geek Handbook

WPF ListView Star Field Size ("*")

I would like to fill the rest of the WPF area with a ListView

specific column.

I searched search terms and found the following solution:

<GridViewColumn Header="Error" DisplayMemberBinding="{Binding ErrorDescription}" 
   Width="{Binding RelativeSource={RelativeSource FindAncestor, 
   AncestorType={x:Type ListView}}, Converter={StaticResource WidtConvert}} />

And the converter:

public object Convert(object value, Type targetType, object parameter,
                      System.Globalization.CultureInfo culture)
{
  ListView l = value as ListView;
  GridView g = l.View as GridView;
  double total = 0;
  for (int i = 0; i < g.Columns.Count - 1; i++)
  {
    total += g.Columns[i].ActualWidth;
  }
  return (l.ActualWidth - total);
}

But the problem is that during the call to the converter, all columns, including ListView.ActualWidth

, are 0.

I don't want to use any code like for Listview_SizeChanged

etc.

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1 answer


You can bind the converter from the code behind to the Width property on the loaded event of the ListView control. In this case, the converter will be launched after the control is fully loaded and the actual width is passed to the converter.



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