views:

1740

answers:

2

Does anyone know if there is an option to hide a GridViewColumn somehow like this:

<ListView.View>
    <GridView>
        <GridViewColumn Header="Test" IsVisible="{Binding Path=ColumnIsVisible}" />
    </GridView>
<ListView.View>

Thanks a lot!

Edit: For clarity

Unfortunately, there is no "IsVisible" Property. I'm looking for a way to create that.

Edit: The solution based on the feedback looks like:

<GridViewColumn DisplayMemberBinding="{Binding Path=OptionColumn1Text}" 
                Width="{Binding Path=SelectedEntitiy.OptionColumn1Width}">
    <GridViewColumnHeader Content="{Binding Path=SelectedEntitiy.OptionColumn1Header}" IsEnabled="{Binding Path=SelectedEntitiy.OptionColumn1Width, Converter={StaticResource widthToBool}}" />
</GridViewColumn>

public class WidthToBooleanConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        return (int)value > 0;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}

Thanks to all!
Cheers

A: 

Edit: Reflecting the modified question.

What about creating a 0 width column? Write a Boolean to Width IValueConverter, that takes a ColumnIsVisible as the ConverterParmeter?

 public class BooleanWidthToConverter : IValueConverter {
        public object Convert(object value, Type targetType, 
                              object parameter, CultureInfo culture){
            return ((bool) parameter)? value : 0;
        }

        public object ConvertBack(object value, Type targetType, 
                                  object parameter, CultureInfo culture){
            throw new NotImplementedException();
        }
    }

Something like:

<ListView .. >
 <ListView.Resources>
  <BooleanToWidthConverter x:Key="boolToWidth" />
 </ListView.Resources>

 <ListView.View>
    <GridView>
        <GridViewColumn 
                  Header="Test" 
                  Width=
      "{Binding Path=ColumnWidth, 
                Converter={StaticResource boolToVis}, 
                ConverterParameter=ColumnIsVisible}" />
    </GridView>
 <ListView.View>
Preet Sangha
Thanks for the quick response. Unfortunately, there is no "IsVisible" Property.. so I'm looking for a way to create that.
Joseph Melettukunnel
Comment to your edit: That would stil allow the user to resize the column, unfortunately there isn't a Enabled-Property either.
Joseph Melettukunnel
Damn! I'm trying :-)
Preet Sangha
@Joseph : there is no IsEnabled property on the GridViewColumn itself, but there is one on the GridViewColumnHeader (which inherits from ButtonBase). So you could set IsEnabled in the HeaderContainerStyle
Thomas Levesque
A: 

Use if Thumb.DragDelta may solve the problem

I use it in listview as

<ListView x:Name="MyListView"IsSynchronizedWithCurrentItem="True"   
      ItemsSource="{Binding Path=Items}",  Mode=Default, Source={StaticResource DataProvider}}" 
      Thumb.DragDelta="Thumb_DragDelta">


public Window1()
{   
InitializeComponent(); 
MyListView.AddHandler(Thumb.DragDeltaEvent, new DragDeltaEventHandler(Thumb_DragDelta), true );

void Thumb_DragDelta(object sender, DragDeltaEventArgs e)
{  
 Thumb senderAsThumb = e.OriginalSource as Thumb;    
 GridViewColumnHeader header = senderAsThumb.TemplatedParent as GridViewColumnHeader;     
 if (header.Column.ActualWidth < MIN_WIDTH)   
 {   
    header.Column.Width = MIN_WIDTH;  
 }  
 if (header.Column.ActualWidth > MAX_WIDTH)     
 {      
    header.Column.Width = MAX_WIDTH;   
 }
}
}
Sauron