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I am trying to build an WinRT app with reactive ui and am getting the following error when constructing designdata:

The type initializer for 'ReactiveUI.RxApp' threw an exception ArgumentNullException: Value cannot be null. Parameter name: dispatcher

my design data looks like this:

<FormViewModel xmlns="using:sRM.Controls.ViewModels">
    <FormViewModel.Form>
       <Form xmlns="using:sRM.Models.Forms" Name="Design form"/>
    </FormViewModel.Form>
 </FormViewModel>

for my viewmodel

public class FormViewModel : ReactiveViewModel, IFormViewModel
{
    private readonly IFormsService _formsService;
    //private AccountViewModel _Data;
    private Form _Form;

    public FormViewModel() 
    {

    }
 ..

any help would be appreciated!

Didier Caron
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1 Answers1

1

This should be fixed in the latest version that will be released soon!

Update: This is now released in ReactiveUI 4.3.0

Ana Betts
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