TextBoxBeforeTextChangingEventArgs Classe

  • Referência

Definição

Namespace:
Windows.UI.Xaml.Controls
Editar

Fornece dados de evento para o evento TextBox.BeforeTextChanging .

public ref class TextBoxBeforeTextChangingEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 327680)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class TextBoxBeforeTextChangingEventArgs final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 327680)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class TextBoxBeforeTextChangingEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 327680)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class TextBoxBeforeTextChangingEventArgs
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 327680)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class TextBoxBeforeTextChangingEventArgs
Public NotInheritable Class TextBoxBeforeTextChangingEventArgs
Herança
Object Platform::Object IInspectable TextBoxBeforeTextChangingEventArgs
Atributos
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Requisitos do Windows

Família de dispositivos
Windows 10 Fall Creators Update (introduzida na 10.0.16299.0)
API contract
Windows.Foundation.UniversalApiContract (introduzida na v5.0)

Comentários

Uma instância dessa classe é passada como um parâmetro para o manipulador de eventos BeforeTextChanging .

Propriedades

Cancel

Obtém ou define um valor que indica se as alterações de texto devem ser canceladas.
NewText

Obtém o novo texto inserido na caixa de texto.

Aplica-se a