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Move the shapes in ShapeFactory into Xaml

Description

 
Instead of defining the shapes in code, i'd define them as application resources in App.xaml.

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Closed Jun 12 2008 at 11:50 PM  by shanselman
Cool!

Comments

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shockstump wrote Jun 12 2008 at 10:27 PM
You can use Blend 2.5 June Preview to create Style resources in the WYSIWYG IDE, so you don't need to code these by hand :-)

shanselman wrote Jun 12 2008 at 8:03 PM
Cool. I'll try this. How does this make things better in Blend? The Style markup looks like something I'll need to make by hand?

shockstump wrote Jun 12 2008 at 8:59 AM
good point! ok, so rather than storing the actual shapes in the resource dictionary, store their styles:

<Application.Resources>
<Style x:Key="square" TargetType="Rectangle">
<Setter Property="Width" Value="380"/>
<Setter Property="Height" Value="380"/>
<Setter Property="StrokeThickness" Value="5"/>
<Setter Property="Stroke" Value="Black"/>
</Style>
</Application.Resources>


Then ShapeFactory can apply the styles:

Shape shape = new Rectangle();
shape.Style = Application.Current.Resources["square"] as Style;

This approach still has the advantage of letting your designer make your shapes look nice for you using Blend.

shanselman wrote Jun 12 2008 at 6:39 AM
So, I tried that just now and have a problem. When I add the shape that is in a resource, TWICE, the first one displayed disappears, because, of course, it's the SAME shape. How do I get a shape out of a resource and REUSE it?

shanselman wrote Jun 12 2008 at 6:33 AM
Good idea! I tried this but thought I got an error when I added more than one. I'll try again.

shockstump wrote Jun 11 2008 at 11:30 PM
like this:

<Application.Resources>
<Rectangle x:Key="square"
Height="380"
Width="380"
StrokeThickness="5"
Stroke="Black"
/>

<Ellipse x:Key="circle"
Height="400"
Width="400"
StrokeThickness="5"
Stroke="Black"
/>
</Application.Resources>

You can then load the shapes in your ShapeFactory:

Shape s= Application.Current.Resources["square"] as Shape ;

The benefit of this is that your 'designer' is able to make your shapes look pretty in Blend whilst you concentrate on the code

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