CompletedEventArgs Class
.NET Framework 2.0
Holds event data for the Completed event.
Namespace: System.Management
Assembly: System.Management (in system.management.dll)
Assembly: System.Management (in system.management.dll)
The following example calls a method asynchronously. The Win32_Process.Create method is called to create a new process for Calc.exe.
Imports System 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
System.Object
System.EventArgs
System.Management.ManagementEventArgs
System.Management.CompletedEventArgs
System.EventArgs
System.Management.ManagementEventArgs
System.Management.CompletedEventArgs
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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