dotnet / dotnet/dotnet-api-docs
Outdated/Error example
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area-WPF
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Description
```
System.Windows.Data Error: 17 :
Cannot get 'Item[]' value (type 'ValidationError') from '(Validation.Errors)' (type 'ReadOnlyObservableCollection`1').
BindingExpression:Path=(0)[0].ErrorContent; DataItem='TextBox' (Name='');
target element is 'TextBox' (Name='');
target property is 'ErrorStr' (type 'String')
ArgumentOutOfRangeException:'System.ArgumentOutOfRangeException:
Specified argument was out of the range of valid values. (Parameter 'index')'
```
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