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4.978 ValidationRule

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x:Object > ValidationRule
ValidationRule
DataErrorValidationRule ExceptionValidationRule NotifyDataErrorValidationRule
(usage)
 None.
(description)
 Provides a way to create a custom rule in order to check the validity of user input.
(used by)
 Binding BindingGroup DataGrid MultiBinding
[is default constructible]
 false
(properties)
ValidatesOnTargetUpdated
 x:Boolean
(description)
 A value that indicates whether the validation rule runs when the target of the Binding is updated.
ValidationStep
 ValidationStep
(description)
 When the validation rule runs.