WPF4 DataGridHeaderBorder in a xaml Style

Question

Making a separate question, related to comments on the answer to WPF 4: What happened to DataGridColumnHeader?

It appears I can use DataGridHeaderBorder in a UserControl, stand-alone in a ResourceDictionary, but not in a Style's setter of a Template.

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    >

    <!-- Works -->
    <DataTemplate x:Key="yomama">
        <DataGridColumnHeader />
    </DataTemplate>

    <!-- Compile Error: error MC3074: The tag 'DataGridHeaderBorder' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml/presentation'. -->
    <Style x:Key="{x:Type DataGridRowHeader}"
        TargetType="{x:Type DataGridRowHeader}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type DataGridRowHeader}">
                    <Grid>
                        <DataGridHeaderBorder></DataGridHeaderBorder>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

I can get it to work if I use xmlns:dg="http://schemas.microsoft.com/wpf/2008/toolkit", even though I'm not referencing WPFToolkit in the project. I've verified I'm set to .NET4 and referencing PresentationFramework v4.

Thanks for helping me remove the dg: hack.

Submitted to MS: https://connect.microsoft.com/VisualStudio/feedback/details/584894 Vote up if you get a chance — Thomas, Aug 09 '10 at 20:31
@Tom. This works for me if I with xmlns:Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero" HTH — Berryl, Aug 12 '10 at 21:50
@Berryl, thanks, but I shouldn't need to reference PresentationFramework.Aero, should I? — Thomas, Aug 13 '10 at 18:37
Heck no!! But it seemed marginally less obscure that a toolkit reference that doesn't exist. BTW, when I went to up vote the bug, the link you posted gives a most unhelpful error if you aren't registered for connect, even if MSFT otherwise knows who you are (minor PITA). Cheers — Berryl, Aug 13 '10 at 19:17
Thanks for the Themes solution, for some reason the dg: thing isn't working on my laptop. — Thomas, Aug 14 '10 at 20:09

score 10 · Accepted Answer · edited Mar 04 '13 at 14:56

10

Try:

xmlns:Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero"

edited Mar 04 '13 at 14:56

answered Jan 24 '11 at 03:56

Berryl

12,471
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4

Don't forget to add `PresentationFramework.Aero` to your project's references as well. – Owen Johnson Aug 29 '12 at 18:50

score 2 · Answer 2 · edited Nov 04 '12 at 10:20

2

You can also try this.In this case to change the foreground of the header.

<Style x:Key="Consulta_Grilla_HeaderStyle" 
       TargetType="{x:Type DataGridColumnHeader}">
    <Style.Resources>
        <Style TargetType="{x:Type Grid}" >
            <Setter Property="TextBlock.Foreground" Value="Yellow"/>      
        </Style>
    </Style.Resources>
</Style>

edited Nov 04 '12 at 10:20

Konrad Viltersten

36,151
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answered Dec 14 '11 at 22:45

Nicolas

29
1

score -1 · Answer 3 · answered Sep 16 '15 at 09:00

-1

Add PresentationFramework.Aero.dll in reference of your project.

answered Sep 16 '15 at 09:00

krishnaraj916

11

WPF4 DataGridHeaderBorder in a xaml Style

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