ValidationEventArgs Class

Provides data for the BaseEdit.Validate event.

Assembly: DevExpress.Xpf.Core.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.Core, DevExpress.Wpf.Core

Declaration

public class ValidationEventArgs :
    RoutedEventArgs

Public Class ValidationEventArgs
    Inherits RoutedEventArgs

ValidationEventArgs is the data class for the following events:

Handle the BaseEdit.Validate event to manually validate the editor (e.g. to limit the range of valid values, implement a custom a conditional validation mechanism, etc). If the value is invalid, set the ValidationEventArgs.IsValid property to false. The ValidationEventArgs.ErrorContent and ValidationEventArgs.ErrorType properties allow you to customize the error description.

To learn more, see Input Validation.