AttachmentValidatorAttribute.IsValidAsync(Attachment, String) 方法
定義
重要
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public abstract System.Threading.Tasks.Task<bool> IsValidAsync(Microsoft.Bot.Connector.Attachment attachment, out string errorMessage);
abstract member IsValidAsync : Microsoft.Bot.Connector.Attachment * string -> System.Threading.Tasks.Task<bool>
Public MustOverride Function IsValidAsync (attachment As Attachment, ByRef errorMessage As String) As Task(Of Boolean)
參數
- attachment
- Attachment
- errorMessage
- String