TextBoxBeforeTextChangingEventArgs 類別

  • 參考

定義

命名空間:
Microsoft.UI.Xaml.Controls
編輯

提供 TextBox.BeforeTextChanging 事件的事件數據。

public ref class TextBoxBeforeTextChangingEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.WinUIContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class TextBoxBeforeTextChangingEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.WinUIContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class TextBoxBeforeTextChangingEventArgs
Public NotInheritable Class TextBoxBeforeTextChangingEventArgs
繼承
Object Platform::Object IInspectable TextBoxBeforeTextChangingEventArgs
屬性
ContractVersionAttribute MarshalingBehaviorAttribute

備註

這個類別的實例會當做參數傳遞至 BeforeTextChanging 事件處理程式。

屬性

Cancel

取得或設定值，這個值表示是否要取消文字變更。
NewText

取得在文字框中輸入的新文字。

適用於