本文整理匯總了VB.NET中System.ComponentModel.DoWorkEventArgs類的典型用法代碼示例。如果您正苦於以下問題:VB.NET DoWorkEventArgs類的具體用法?VB.NET DoWorkEventArgs怎麽用?VB.NET DoWorkEventArgs使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了DoWorkEventArgs類的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: CType
Private Sub backgroundWorker1_DoWork( _
sender As Object, e As DoWorkEventArgs) _
Handles backgroundWorker1.DoWork
' Do not access the form's BackgroundWorker reference directly.
' Instead, use the reference provided by the sender parameter.
Dim bw As BackgroundWorker = CType( sender, BackgroundWorker )
' Extract the argument.
Dim arg As Integer = Fix(e.Argument)
' Start the time-consuming operation.
e.Result = TimeConsumingOperation(bw, arg)
' If the operation was canceled by the user,
' set the DoWorkEventArgs.Cancel property to true.
If bw.CancellationPending Then
e.Cancel = True
End If
End Sub