本文整理匯總了VB.NET中System.Management.CompletedEventArgs類的典型用法代碼示例。如果您正苦於以下問題:VB.NET CompletedEventArgs類的具體用法?VB.NET CompletedEventArgs怎麽用?VB.NET CompletedEventArgs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CompletedEventArgs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: InvokeMethodAsync
' 導入命名空間
Imports System.Management
Public Class InvokeMethodAsync
Private isFinished As Boolean = False
Private returnObj As ManagementBaseObject
Public Sub New()
' Get the object on which the method
' will be invoked
Dim processClass As ManagementClass = _
New ManagementClass("Win32_Process")
' Create a results and completion handler
Dim handler As ManagementOperationObserver = _
New ManagementOperationObserver
AddHandler handler.Completed, _
AddressOf Me.Completed
' Invoke method asynchronously
Dim inParams As ManagementBaseObject = _
processClass.GetMethodParameters("Create")
inParams("CommandLine") = "calc.exe"
processClass.InvokeMethod( _
handler, "Create", inParams, Nothing)
' Do something while method is executing
While (Not Me.IsComplete)
System.Threading.Thread.Sleep(1000)
End While
End Sub
' Property allows accessing the result
' object in the main function
Private Function ReturnObject() As ManagementBaseObject
Return returnObj
End Function
' Delegate called when the method completes
' and results are available
Private Sub NewObject(ByVal sender As Object, _
ByVal e As ObjectReadyEventArgs)
Console.WriteLine("New Object arrived!")
returnObj = e.NewObject
End Sub
' Used to determine whether the method
' execution has completed
Private Function IsComplete() As Boolean
Return isFinished
End Function
Private Sub Completed(ByVal sender As Object, _
ByVal e As CompletedEventArgs)
isFinished = True
Console.WriteLine("Completed method invocation.")
End Sub
Public Shared Function _
Main(ByVal args() As String) As Integer
Dim invokeMethod As New InvokeMethodAsync
Return 0
End Function
End Class