本文整理汇总了VB.NET中System.ComponentModel.DoWorkEventArgs类的典型用法代码示例。如果您正苦于以下问题：VB.NET DoWorkEventArgs类的具体用法？VB.NET DoWorkEventArgs怎么用？VB.NET DoWorkEventArgs使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了DoWorkEventArgs类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
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