DataBinding Tick Property of WPF slider control

Question

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I am trying to explore the slider control. Currently I have a requirement to use the slider control as navigation control. For that I want to databind the Tick property of the slider control to a collection.

The Ticks property is a dependency property and so it should be able to accept bindings.

This is what I am doing.

I have a class myCollectionClass with a List<Object> Property

XML

public List<double> myCollection
        {
            get
            {
                List<double> myList = new List<double>();
                myList.Add(1);
                myList.Add(2);
                myList.Add(3);
                myList.Add(4);
                return myList;
            }
        }

I want to databind the ticks to myCollection

This is what I have done in XAML

XML

<Window.Resources>
        <c:myCollectionClass x:Key="CollClass"/>
    </Window.Resources>

XML

<Grid DataContext="{StaticResource CollClass}">
        <StackPanel Grid.Row="1">
            <Slider TickPlacement="BottomRight"
                    IsSnapToTickEnabled="True"
                    Ticks="{Binding myCollection}"/>
        </StackPanel>
    </Grid>

This does not work.

If I say -

XML

<Slider TickPlacement="BottomRight" 
                    IsSnapToTickEnabled="True"
                    Ticks="1,2,3,4,5"/>

it works fine, but I am trying to bind the Ticks to the collection.

Any idea how to achieve this?

Posted 22-Feb-11 23:47pm

anshudutta

Updated 23-Feb-11 0:04am

Tarun.K.S

v2

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Tarun.K.S · Accepted Answer · 2011-02-23T00:16:00

In my opinion, the Ticks takes values of type DoubleCollection.

I tried doing it manually and found that Ticks cannot take values of Type List.

So what i think is that you can replace the List<double> with DoubleCollection. Basically DoubleCollection is non-generic and takes only values of Datatype Double and also its an OrderedCollection!

So the property should be like this:

C#

public DoubleCollection myCollection
        {
            get
            {
                DoubleCollection myList = new DoubleCollection();                
                myList.Add(1);
                myList.Add(2);
                myList.Add(3);
                myList.Add(4);
                return myList;
            }
        }

Hope it helped!