windows-8

Possible Duplicate: Check if a file exists in the project in WinRT I'm using the StorageFolder and need to check if a file exists befor I read it to avoid a exception. my code looks like this: StorageFolder storageFolder = ApplicationData.Current.LocalFolder; StorageFile sampleFile = await storageFolder.GetFileAsync(myPath); the problem is, I can't find a method which checks if a file exist Last time I checked you had to catch an exception: (might have changed) Edit: this is one way to do it :) Like so: static async Task<bool> DoesFileExistAsync(string fileName) { try { await ApplicationData

I added a "Basic Page" to my project in a folder ("View") that I created within the project. At first all was well, but "all of a sudden" the design view failed and displayed: System.ObjectDisposedException Safe handle has been closed This is the XAML (I hadn't changed a thing in the default XAML generated yet): <common:LayoutAwarePage x:Name="pageRoot" x:Class="TimeAndSpaceLines.View.SectionPage" DataContext="{Binding DefaultViewModel, RelativeSource={RelativeSource Self}}" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

I have calls to Grid.SetRow and Grid.SetColumn in my code which I'm trying to animate. According to the answer at http://social.msdn.microsoft.com/Forums/en-CA/wpf/thread/257779f7-b459-43fc-a4a1-f24641c50e09 , it is recommended to make use of FluidMoveBehavior, but it doesn't look like this is available for Windows 8. What are my options for animating the children of a Grid when their positions change? I'm basically looking for a way to achieve linear transition. There is a new built-in feature called Transitions that can be used, here is an intro . Try adding a RepositionThemeTransition to

I would like to get some user inputs for my app like Name, DOB, etc from a modal window for this I need a dialog to be displayed which would contain the textboxes and other controls. Normally in WinForms/WPF I would create a class inherited from the Form/Window class and use the Show/ShowDialog method to present the form to the user How do I achieve this behavior in Windows 8 metro apps using XAML/C# ? I have looked at the MessageDialog class under the Windows.UI.Popups namespace but its for showing only message like the classic MessageBox. I have looked at another CoreWindowFlyout class and

I tried to add a Reference to Bing Maps in my app by right-clicking on References | Add References | Windows | Extensions | Bing Maps for C#... , but selecting "OK" does nothing - the Reference is not added. I then tried adding it via Tools | Extensions and Updates , but when I installed the latest version (with today's date - 11/5/2012), I then got: Successfully installed 'BingMapAppSDK 1.0.1011.1716'. Successfully uninstalled 'BingMapAppSDK 1.0.1011.1716'. Install failed. Rolling back... Could not install package 'BingMapAppSDK 1.0.1011.1716'. You are trying to install this package into a

Is there a way to send more than one parameter to a WinJS.Binding.converter() function? Consider the following data and output: { contactName: "Tara Miller", mainNumber: "555-405-6190", alternateNumber: "555-209-1927" }, { contactName: "Bryan Bond", alternateNumber: "555-574-4270" }, { contactName: "Jenna Siever", mainNumber: "555-843-8823", alternateNumber: "555-799-5424" }, Here is the HTML. The MyData.chooseBestNumber converter function is used to display either a person's main phone number or the words "no main number" if they don't have a main number: <div id="listViewTemplate" data-win