All Questions
Tagged with windows-phone-7.1 mvvm
20 questions
1
vote
1
answer
5k
views
ListBox scrolling event in MVVM WPF
Is there a way to hook to scroll event in WPF (Windows Phone7), in a MVVM manner? I'd like to detect when the list is scrolled to the bottom, and then do something. I tried something like this, but ...
- 3,951
1
vote
1
answer
87
views
property changes doesn't take effect, MVVM
I have a ViewModel like this:
public class ColorViewModel : INotifyPropertyChanged
{
private SolidColorBrush colorBrush;
public SolidColorBrush ColorBrush
{
get
{
...
- 77
0
votes
1
answer
99
views
Windows Phone 7.1 Two Way Binding doesn't seem to work
First of all I feel really bad to ask this but I hope you can help me.
I have a windows phone 7.1 one application with a progressbar. I would like to bind the progressbar TwoWay mode but I have tried ...
user2714108
0
votes
1
answer
3k
views
WPF How to access a control from ViewModel
In new to windows phone development. Can someone help me to learn how can I access a certain control on ViewModel.
Example Scenario:
I have a listbox and I want to access the listbox from my View ...
- 125
4
votes
2
answers
5k
views
Accessing variables from XAML and object from ViewModel using Code Behind
I'm a newbie in windows phone development. I would like to ask if it is possible to do this scenario. I need to access a variable in XAML using my code behind, then I will add it as an item to my ...
- 125
0
votes
1
answer
228
views
How to set ViewModel's property from View without explicit type conversion
I'm newbie in mvvm so I really need your help.
In my wp7 application I'm trying to use MVVM Light toolkit.
I have two views: "Main" and 2-mode "New", which is intended for addiing some item and ...
- 462
0
votes
1
answer
164
views
Send Details via sms
Detail page:
// When page is navigated to set data context to selected item in list
protected override void OnNavigatedTo(NavigationEventArgs e)
{
string selectedIndex = "";
if (...
- 8,709
1
vote
2
answers
2k
views
Listbox data binding with Viewmodel not showing up windows phone
I am working on a windows phone application that uses a local database and MVVM. My listbox is not showing the WeatherList that it is binded to. I am adding a single WeatherItem to the local database ...
- 494
2
votes
2
answers
3k
views
How to use progressbar in an async webclient call from a viewmodel
I am trying to use performance progressbar in a WP7 project but I have trouble with the async webclient call. My code is as follows:
Update
public MainPage()
{
InitializeComponent();
...
- 63
2
votes
1
answer
1k
views
unable to bind map geocoordinate center on to map on windows phone through mvvm using bing maps
I am trying to set the center property of map control dynamically based on the various routes that I display on the map at a given instance. I am using startpoint for the route as a geocoordinate ...
- 89
0
votes
1
answer
581
views
unable to bind data to listbox in windows phone using mvvm architecture
Am trying to bind the data collection from json object from async callback response to the listbox in windows phone through implementing mvvm pattern...I am able to get the data collection to the ...
- 89
4
votes
1
answer
391
views
methodAccessException when passing variables from ViewModel to ViewModel on WP7 using anonymous object (MVVMCross)
I've created an app using MVVMCross, the IOS and Android versions are working but when I tried to "port" to WP7 and I ran into the following problem:
throw methodAccessException.MvxWrap("Problem ...
- 135
1
vote
2
answers
5k
views
UnauthorizedAccessException (Invalid cross-thread access) thrown in WP7 project with MVVM Light
I am using MVVM light toolkit's Messenger class to communicate the different parts of my WP7 application.
I am trying to make a view go to a different state when receiving a message from a class of ...
- 47
0
votes
1
answer
1k
views
PerformanceProgressBar "Invalid cross-thread access" exception
I am developing WP7 app. I met some unexpected behavior. I use PerformanceProgressBar from the SilverLight toolktit in my app in several pages. These PerformanceProgressBars are binded to ViewModel ...
- 409
0
votes
2
answers
153
views
How to manage the creation of instances when navigating
I am programming WP7 application adhering the MVVM pattern.
I have ViewModelLocator which ensures that each instance of ViewModel is only one. These ViewModels are created when application is ...
- 409
4
votes
2
answers
2k
views
MVVM and NavigationService
One of the many benefits of implementing any pattern is to have a separation of concerns between the different layers in an application. In the case of Silverlight and MVVM it is my opinion that the ...
- 6,752
2
votes
1
answer
542
views
How to bind view's loaded event to a method in the view model in WP7.1
I want to process a Page_Loaded event of my View (PhoneApplicationPage) in a view model. This used to be accomplished by the following:
<i:Interaction.Triggers>
<i:EventTrigger ...
- 10.5k
1
vote
2
answers
397
views
Is MVVM suitable for WP7 app development?
I am developing an app using Windows Phone 7.
I have used MVVM for WPF app development before but was wondering if MVVM is suitable for WP7 app development too.
If not can you please suggest some ...
- 3,129
2
votes
1
answer
315
views
Agfx and caliburn.micro example
I am currently using caliburn.micro in my WP7 project and I am quite happy with it. My application is very data-heavy, so I took a look at Agfx (http://agfx.codeplex.com), seems it can save me a lot ...
- 225
4
votes
4
answers
5k
views
MVVM use of INotifyPropertyChanged Model not notifying ViewModel
I'm trying to use MVVM for the first time. I have a Windows Phone app (Mango), which has a model class, a view model class, and a view xaml page. I have controls (textboxes) bound to the VM, and the ...
- 1,891