[Solved] Expander contents does not get all width

[Leandro]

Hi, I´m using a data grid inside an expander, but this grid does not get all the expander width. Whats is wrong?
Thanks.

<telerik:RadExpander Grid.Row="4" Expanded="radExpander2_Expanded" MaxHeight="200"
    x:Name="radExpander2" ExpandDirection="Down" IsExpanded="False"
    VerticalAlignment="Top" HorizontalAlignment="Stretch"
    >
        <telerik:RadExpander.Header>
            <TextBlock Text="Cálculo da monodroga acumulada na prescrição" Visibility="Visible" />
        </telerik:RadExpander.Header>
        <telerik:RadExpander.Content>
            <telerik:RadWrapPanel Orientation="Horizontal" VerticalAlignment="Bottom" HorizontalAlignment="Stretch"
      >
                <data:DataGrid x:Name="dgMonodroga" AutoGenerateColumns="False"/>

            </telerik:RadWrapPanel>
        </telerik:RadExpander.Content>
    </telerik:RadExpander>

[Miroslav]

Hi Leandro,

I am sorry for the delayed reply,

The horizontal WrapPanel will try to arrange its children (in this case the grid) with minimum width and move them to a new row if necessary.

To change this, use a panel that behaves differently - like a grid. It will arrange its children with the available width. 

Does this work for you?

Greetings,
Miroslav
the Telerik team

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