nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

Validate user inputs in PropertySheet

AbelPerez

I followed the sample here ProGuide Custom settings · Esri/arcgis-pro-sdk Wiki · GitHub and have added my own add-in settings to the backstage. I've binded several properties to the UI and it works great. I have a textbox where the user can browse to a folder where our company's data exists. If the user inputs an invalid folder I wanted to change the backcolor of the textbox and set the OK button to disabled until the input is fixed. A similar thing is done with the Layout options.

Ive looked in the community samples and looked at the Pro SDK and cant find anything. Where would I add my validation logic to mimic the existing Layout options?

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Accepted answers

GKmieliauskas

I have attached bundle of ProjectSettingsView mvvm code of BackStage_PropertyPage sample from Esri ArcGIS Pro samples. It works

ProjectSettingsView.zip

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AbelPerez

Ok I am able to bind my validation rules to the textbox. It works great! Thanks!.

But now am struggling how to get that result back to the ViewModel so I can update the IsValid of the page.

My XAML looks like this

In the ViewModel I can initialize to False and I can see that works:

Protected Overrides Function InitializeAsync() As Task

'setup the initial validity of the Page
MyBase.IsValid = False

Return Task.FromResult(0)
End Function

But how do I process updates? Just cant seem to figure that one out.

GKmieliauskas

You can disable OK button by setting Page IsValid property, like this:

base.IsValid = false;

AbelPerez

Yes Im aware of the validation binding. Thank You. What I am asking is how we tap into the Pro Settings OK button to disable it when something is not valid.

GKmieliauskas

Hi Abel,

This is the WPF stuff. Look here:

https://docs.microsoft.com/en-us/dotnet/framework/wpf/data/how-to-implement-binding-validation

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