Custom control doesn't take data from generic.xaml RSS

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  bgnSL

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  Custom control doesn't take data from generic.xaml

  Jun 26, 2009 03:54 PM | LINK

  I'm following Jeff Prosise's MSDN tutorial (http://msdn.microsoft.com/en-us/magazine/cc721611.aspx) on creating custom controls. But when I create generic.xaml and bind it to my custom buttom, IE still shows an empty button.

   This is mybutton class

  public class MyButton : ContentControl
      {
          public MyButton()
          {
              this.DefaultStyleKey = typeof (MyButton);
          }
      }

  This is generic.xaml 
  <ResourceDictionary 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:MyButton="clr-namespace:SilverlightApplication2;assembly=SilverlightApplication2">
      <Style 
          TargetType="MyButton:MyButton">
          <Setter 
              Property="Width" 
              Value="200" />
          <Setter 
              Property="Height" 
              Value="100" />
          <Setter 
              Property="Background" 
              Value="Lavender" />
          <Setter 
              Property="Template">
              <Setter.Value>
                  <ControlTemplate 
                      TargetType="MyButton:MyButton">
                      <Grid 
                          x:Name="RootElement">
                          <Rectangle 
                              x:Name="BodyElement"
                              Width="{TemplateBinding Width}"
                              Height="{TemplateBinding Height}"
                              Fill="{TemplateBinding Background}"
                              Stroke="Purple" 
                              RadiusX="16" 
                              RadiusY="16" />
                          <TextBlock 
                              Text="Click Me"
                              HorizontalAlignment="Center"
                              VerticalAlignment="Center" />
                      </Grid>
                  </ControlTemplate>
              </Setter.Value>
          </Setter>
      </Style>
  </ResourceDictionary>
  And this is page.xaml 
  <UserControl x:Class="SilverlightApplication2.Page"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
      xmlns:MyButton="clr-namespace:SilverlightApplication2;assembly=SilverlightApplication2" 
      Width="400" Height="300">
      <Grid x:Name="LayoutRoot" Background="White">
          <MyButton:MyButton Width="255" />
      </Grid>
  </UserControl> 
  

  Also to say that Blend sees generic.xaml properly because I can edit my button.  
  

  It's all so simple but the style from generic.xaml does not get to the custom button. 

  Any ideas?

  generic.xaml custom control

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  rshelby

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  Re: Custom control doesn't take data from generic.xaml

  Jun 27, 2009 02:46 AM | LINK

  Try adding a key name to your style.

   For example:

  <Style x:Key="myButtonStyle" TargetType="MyButton:MyButton">

  Then reference the name from your button control like so:

  <MyButton:MyButton Style="{StaticResource myButtonStyle}" />

  Hope this helps.

  rshelby

  Ryan Shelby
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  SharpGIS

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  Re: Custom control doesn't take data from generic.xaml

  Jun 27, 2009 04:50 AM | LINK

   rshelby: The approach you describe is for defining custom styles in resources. But the above is for defining the default template on custom controls, and you dont define key names in generic.xaml like this.

   

  I wonder if the prefix MyButton is confusing Silverlight, since this is the same name as the class. Try changing it to something else (I usually use local: for the assembly namespace).
  

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  /Morten | Silverlight MVP | blog - twitter
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  Krasshirsch

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  Re: Custom control doesn't take data from generic.xaml

  Jun 27, 2009 01:50 PM | LINK

  The Generic.xaml file needs to be placed inside the folder Themes, since SL 2 RTW.

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  bgnSL

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  Re: Re: Custom control doesn't take data from generic.xaml

  Jun 29, 2009 09:50 AM | LINK

  When I moved it to a folder Themes, the miracle happened :)

  Thanks.
  

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