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Catel/Catel

An application development platform

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Jan 13 18:35

GeertvanHorrik commented #1741
Jan 13 18:32

GeertvanHorrik commented #1741
Jan 13 14:42

gofrogi commented #1741
Jan 13 14:42

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Jan 13 14:37

GeertvanHorrik commented #1741
Jan 13 14:37

GeertvanHorrik commented #1741
Jan 13 14:35

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tm1k

@tm1k

Is it possible to access variable inside a wizard page that has been set by the user in a previous wizard page?

Geert van Horrik

@GeertvanHorrik

yes

a wizard page has a Wizard property, and that contains all the wizard pages available inside the wizard (including the state).

tm1k

@tm1k

I have a page selected with Linq from wizardPage.Wizard.Pages , but the ViewModel is null, so I cant access any variable. Am I missing something?

Geert van Horrik

@GeertvanHorrik

whenever a view model gets saved (SaveAsync), it's recommended to write data back to the Page model (view models are short-living objects).

In the example wizard, you can see how the summary page uses all other pages to determine the summary at the end

tm1k

@tm1k

I have not seen any constructor parameter injection within orc.wizard and my attempt of using typeFactory.CreateInstanceWithParameters is not working. Is this possible in general?

Geert van Horrik

@GeertvanHorrik

CerateInstanceWithPArametersAndAutoCompletion

tm1k

@tm1k

Also tried this, _typeFactory.CreateInstanceWithParametersAndAutoCompletion<Wizard.MyWizard>(Parameter); also gives me a System.NullReferenceException.

Geert van Horrik

@GeertvanHorrik

enable Catel logging, it will tell you why it fails

LogManager.AddDEbugListener(true) or something like that

tm1k

@tm1k

I have it activated, the return value of _typeFactory.CreateInstance... is null which I give the wizardService.ShowWizardAsync

Geert van Horrik

@GeertvanHorrik

yes, but the typefactory tells you why it cannot instantiate

tm1k

@tm1k

Got it! It was the order of the parameters in MyWizard

It is now MyWizard(Parameter, ITypeFactory typerFactory) : base(typeFactory) - what a bad mistake

Geert van Horrik

@GeertvanHorrik

mistakes happen, that's why we are glad we have logging :)

ssc19940105

@ssc19940105

var configurationService = new ConfigurationService();
Constructor without corresponding parameters

This is example in doc,but it is incorrect

Geert van Horrik

@GeertvanHorrik

Good catch! It probably requires dependencies now. A good usage now would be dependency injection (preferred0 or resolving it using ServiceLocator.Default.ResolveType<IConfigurationService>();

if you want, you can contribute to the docs with a fix :)

ssc19940105

@ssc19940105

configuration.SetValue(ConfigurationContainer.Local, "config", Config);

<?xml version="1.0" encoding="utf-8"?>

<DynamicConfiguration xmlns:ctl="http://schemas.catelproject.com" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<config ctl:type="System.String">YtbDownloader.Models.Config (ID = 1)</config>
</DynamicConfiguration>

ConfigurationService GetValue custom type does not get the expected result

Geert van Horrik

@GeertvanHorrik

is the object serializable? I think it's trying to serialize the ToString method for some reason

ssc19940105

@ssc19940105

Yes

Geert van Horrik

@GeertvanHorrik

Here is the logic that determines whether it should be serialized as string

https://github.com/Catel/Catel/blob/develop/src/Catel.Core/Runtime/Serialization/SerializerBase.general.cs#L694

tm1k

@tm1k

Is it a bug in the NumericTextBox that the entered value must be larger than the MinValue instantly or am I using it wrong? When the MinValue is set to e.g. 12 I can't enter a number at all, except I position the cursor in front of the zero and type '2' to get 20.

Geert van Horrik

@GeertvanHorrik

Hmmm, good question, that appears to be a bug

Adam Araminowicz

@aaraminowicz_gitlab

Any ideas why after updating Catel to version 5.12.7 I get error: "Cannot add instance of type 'EventToCommand' to a collection of type 'TriggerActionCollection'. Only items of type 'T' are allowed.", while I try to use EventToCommand? Before update it worked flawlessly. It must be something with dependencies versions, but I have no clue what has changed.

Geert van Horrik

@GeertvanHorrik

Yes. Probably because you are using an old (outdated) version of Interactions. Please migrate xamlbehaviors instead

tm1k

@tm1k

Since I updated my package versions, I can't bind a collection to a ListBox anymore. I get the error that the "collection must be empty before using ItemsSource". This has never been a problem before. It seems that I can't CreateInstanceWithParametersAndAutoCompletion and pass one of the parameters to a binding Object anymore. When the _uiVisualizerService.ShowDialogAsync is called, the error is thrown when using a ListBox

tm1k

@tm1k

Using the same binding with the ItemsSource of a ComboBox works fine

Adam Araminowicz

@aaraminowicz_gitlab

@GeertvanHorrik Thanks, however I had newest version of Microsoft.Xaml.Behaviors.Wpf (1.1.19, as required by Catel.MVVM 5.12.7). I downgraded Behaviors lib to version 1.1.3, which downgraded Catel.MVVM to version 5.12.5, and now everything works.

Geert van Horrik

@GeertvanHorrik

@aaraminowicz_gitlab please note that we made the change in 5.12.6 or 5.12.7, so if you use that version, you will need to use a different xaml namespace for your behaviors

@tm1k from what version to what version? We haven't had any issues with this so far

tm1k

@tm1k

5.11.2 to 5.12.7

Geert van Horrik

@GeertvanHorrik

yeah, that's a large update :)

tm1k

@tm1k

I am currently checking dependencies in NuGet

Geert van Horrik

@GeertvanHorrik

we would need a repro because it's too hard to figure out an issue just by symptoms

Geert van Horrik

@GeertvanHorrik

btw this could (should?!) be of interest to anyone using Catel: https://geertvanhorrik.com/2020/07/15/wpf-using-net-core-and-orc-theming/

tm1k

@tm1k

I now ported the whole project to a new one using Net4.7.2 updated all packages, rechecked dependencies, still the same error...

Geert van Horrik

@GeertvanHorrik

please create a repro so we can test

Adam Araminowicz

@aaraminowicz_gitlab

@GeertvanHorrik You were right. I removed Expression.Blend.Sdk.WPF packed and changed all Interaction namespaces to "http://schemas.microsoft.com/xaml/behaviors" and everything is back to normal. Thanks for help.

tm1k

@tm1k

Found it! For some reason SeletedItem was set to "TwoWay" mode which seemed to work in the past. I removed it, now it works as before

Geert van Horrik

@GeertvanHorrik

Glad it's fixed :)

tm1k

@tm1k

In the Wizard NavigationStrategy gives the page index of previous and next pages, but is it possible to overwrite them in order to skip some pages when going backwards in the wizard?

Geert van Horrik

@GeertvanHorrik

I think that was the point of the navigation strategy. Btw you can navigate to any page manually whenever you like. We use this to implement hyperlinks in the summary page to quickly go to a specific page to customize data

tm1k

@tm1k

This seems to solve my problem. I'll have a look

ssc19940105

@ssc19940105

Help me!How to deserialize XML files into ViewModel?