CompletedEventArgs Класс

Определение

Пространство имен:

System.Management

Сборка:

System.Management.dll

Пакет:

System.Management v8.0.0

Исходный код:

ManagementEventArgs.cs

Содержит данные события для событияCompleted.

public ref class CompletedEventArgs : System::Management::ManagementEventArgs

public class CompletedEventArgs : System.Management.ManagementEventArgs

type CompletedEventArgs = class
    inherit ManagementEventArgs

Public Class CompletedEventArgs
Inherits ManagementEventArgs

Наследование

Object

EventArgs

ManagementEventArgs

CompletedEventArgs

Примеры

В следующем примере метод вызывается асинхронно. Метод Win32_Process.Create вызывается для создания нового процесса для Calc.exe.

using System;
using System.Management;

public class InvokeMethodAsync
{
    private bool isComplete = false;
    private ManagementBaseObject returnObject;

    public InvokeMethodAsync()
    {
        // Get the object on which the method
        // will be invoked
        ManagementClass processClass =
            new ManagementClass("Win32_Process");

        // Create a results and completion handler
        ManagementOperationObserver handler =
            new ManagementOperationObserver();
        handler.Completed +=
            new CompletedEventHandler(this.Completed);

        // Invoke method asynchronously
        ManagementBaseObject inParams =
            processClass.GetMethodParameters("Create");
        inParams["CommandLine"] = "calc.exe";
        processClass.InvokeMethod(
            handler, "Create", inParams, null);

        // Do something while method is executing
        while(!this.IsComplete)
        {
            System.Threading.Thread.Sleep(1000);
        }
    }

    // Property allows accessing the result
    // object in the main function
    private ManagementBaseObject ReturnObject
    {
        get
        {
            return returnObject;
        }
    }

    // Delegate called when the method completes
    // and results are available
    private void NewObject(object sender,
        ObjectReadyEventArgs e)
    {
        Console.WriteLine("New Object arrived!");
        returnObject = e.NewObject;
    }

    // Used to determine whether the method
    // execution has completed
    private bool IsComplete
    {
        get
        {
            return isComplete;
        }
    }

    private void Completed(object sender,
        CompletedEventArgs e)
    {
        isComplete = true;
        Console.WriteLine("Method invoked.");
    }

    public static void Main()
    {
        InvokeMethodAsync invokeMethod = new InvokeMethodAsync();

        return;
    }
}

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

Свойства

Context	Получает контекст операции, возвращаемый операцией, которая вызвала событие. (Унаследовано от ManagementEventArgs)
Status	Получает статус завершения операции.
StatusObject	Получает дополнительные сведения о состоянии в пределах WMI-объекта. Это может быть значение null.

Методы

Equals(Object)	Определяет, равен ли указанный объект текущему объекту. (Унаследовано от Object)
GetHashCode()	Служит хэш-функцией по умолчанию. (Унаследовано от Object)
GetType()	Возвращает объект Type для текущего экземпляра. (Унаследовано от Object)
MemberwiseClone()	Создает неполную копию текущего объекта Object. (Унаследовано от Object)
ToString()	Возвращает строку, представляющую текущий объект. (Унаследовано от Object)