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Windows Phone 8.1 conditional formatting
A criticism of the pattern comes from MVVM creator John Gossman himself, who points out that the overhead in implementing MVVM is "overkill" for simple UI operations. MVVM Wiki You can either do it with multiple converters or you can do it with a ItemTemplateSelector, in the latter case you would need to defined each template separately. SO example of using ItemTemplateSelector GridView Ite

Categories : Xaml

Visual studio 2013 with windows 8.1
In XAML you can escape the curly brace by adding extra opening and closing curly brace like this: <Button Content="{}{This is a text with curly braces}" /> Or you can use the extended version without any escaping: <Button> <Button.Content> {This is a text with curly braces} </Button.Content> </Button>

Categories : Xaml

RequiredArgumentAttribute doesn't work correctly for InOutArguments?
The Workflow engine checks the RequiredArgumentAttribute for one activity calling another. You can see this in action by creating a CodeActivity. Using breakpoints, you can watch with the debugger stop in the CacheMetadata method but an exception is thrown before the Execute method is called. But, as you pointed out, using a WorkflowInvoker to invoke an activity with InOut/Out arguments directly

Categories : Xaml

How to create multi scaled image assets for a WP 8.1 Store app
You create original image for 96dpi device, let's say 40x40, then you should provide 56x56 (140%), 72x72 (180%) and so on. If you don't provide the image, the image will be resized and loose its quality. You can provide images for every scale and place them in the same folder, like this: Images/name.scale-100.png Images/name.scale-140.png Images/name.scale-180.png Images/name.scale-240.png The

Categories : Xaml

XAML and Silverlight: Applying style to subclass fails
I bet you set the DefaultStyleKey property to typeof(MyAwesomeTextBox) and now the framework will only apply a style with the specialized stylekey. See the documentation, I extracted the following part: If you do not set the DefaultStyleKey, the default style for the base class is used. For example, if a control called NewButton inherits from Button, to use a new default Style, set DefaultStyl

Categories : Xaml

Update UI element in Universal Application on Windows-8.1
Your UI thread seems to be blocked, thus it isn't updeted right away. I've not seen all the code, but from this what you have shown seems that connection.InsertAsync(inspection); is an asynchronous operation. Probably in this situation it may be sufficient just to await your procedure: foreach (var record in records) { await SqliteController.InsertRecord(record); } You can also think of red

Categories : Xaml

Why does the attribute Height has a value * in the following context?
It's called star sizing (see docs). It will distribute available space by weighted proportions. For example: <Grid> <Grid.Resources> <Style TargetType="TextBlock"> <Setter Property="FontSize" Value="20" /> <Setter Property="Foreground" Value="Black" /> <Setter Property="HorizontalAlignment" Value="Center" />

Categories : Xaml

Pivot WP 8.1 VisualStateManager for selected items doesn't work?
This is a known issue with customised Pivot Header in Windows Phone Runtime. The Silverlight 8.1 Pivot works correctly. I'm not aware of any workarounds that would give the control you are looking for. You can override the Pivot's theme colours app-wide in the app.xaml's resources. The presenter for the header is encapsulated in the PivotHeaderPanel and so their full appearance cannot be modified

Categories : Xaml

WP virtual keyboard hides bottom UI element
On Windows Phone 8 there is no way to know that part of your screen is obscured by the SIP (software input panel, aka keyboard). One brute-force solution is to collapse the middle grid row to Height = 0 when the textbox gets focus (assuming you don't care about that content), or animate the important UI directly below the textbox when it gets focus; you could use a visual state for either suggesti

Categories : Xaml

How to adjust xaml page for every resolution and screensize?
By default the ViewBox will Stretch Uniform to maintain the aspect ratio of its contents. You can set its Stretch property to Fill if you want it to distort to fill the whole page. You don't include the contents of the Grid in your code snippet, so it's not clear what all you have in there to know how it would stretch. Since it's stretching to fill vertically but not horizontally I expect your c

Categories : Xaml

windows phone 8.1 Sliverlight - how to disable black and white theme for app only
Though I'm not sure what problem you're having with @JeffWilcox theme manager since it looks pretty cool and robust. There's still always the option of overriding those resources explicitly for your app (which is what it looks like his theme manager just gives a much easier way of doing.) You can find pretty much everything you'll need regarding to this for Windows Phone 8.1 silverlight in the do

Categories : Xaml


Recently Add
ListView first item missing when binding width
Windows Phone 8.1 conditional formatting
Visual studio 2013 with windows 8.1
RequiredArgumentAttribute doesn't work correctly for InOutArguments?
How to create multi scaled image assets for a WP 8.1 Store app
XAML and Silverlight: Applying style to subclass fails
Update UI element in Universal Application on Windows-8.1
Why does the attribute Height has a value * in the following context?
Pivot WP 8.1 VisualStateManager for selected items doesn't work?
WP virtual keyboard hides bottom UI element
How to adjust xaml page for every resolution and screensize?
windows phone 8.1 Sliverlight - how to disable black and white theme for app only
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