AppDomain.DoCallBack(CrossAppDomainDelegate) Methode

Referenz

Definition

Namespace:: System

Assembly:: mscorlib.dll

Wichtig

Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.

Führt den Code in einer anderen Anwendungsdomäne aus, die durch den angegebenen Delegaten bezeichnet wird.

public:
 virtual void DoCallBack(CrossAppDomainDelegate ^ callBackDelegate);

public:
 void DoCallBack(CrossAppDomainDelegate ^ callBackDelegate);

public void DoCallBack (CrossAppDomainDelegate callBackDelegate);

abstract member DoCallBack : CrossAppDomainDelegate -> unit
override this.DoCallBack : CrossAppDomainDelegate -> unit

member this.DoCallBack : CrossAppDomainDelegate -> unit

Public Sub DoCallBack (callBackDelegate As CrossAppDomainDelegate)

Parameter

callBackDelegate: CrossAppDomainDelegate

Ein Delegat, der eine aufzurufende Methode angibt.

Implementiert

DoCallBack(CrossAppDomainDelegate)

Ausnahmen

ArgumentNullException

callBackDelegate ist null.

Beispiele

Im folgenden Beispiel wird die Verwendung einer statischen DoCallBack Methode veranschaulicht.

public ref class PingPong
{
private:
    static String^ greetings = "PONG!";

public:
    static void Main()
    {
        AppDomain^ otherDomain = AppDomain::CreateDomain("otherDomain");

        greetings = "PING!";
        MyCallBack();
        otherDomain->DoCallBack(gcnew CrossAppDomainDelegate(MyCallBack));

        // Output:
        //   PING! from defaultDomain
        //   PONG! from otherDomain
    }

    static void MyCallBack()
    {
        String^ name = AppDomain::CurrentDomain->FriendlyName;

        if (name == AppDomain::CurrentDomain->SetupInformation->ApplicationName)
        {
            name = "defaultDomain";
        }
        Console::WriteLine(greetings + " from " + name);
    }
};

int main()
{
   PingPong::Main();
}

static string greetings = "PONG!";

public static void Main()
{
    AppDomain otherDomain = AppDomain.CreateDomain("otherDomain");

    greetings = "PING!";
    MyCallBack();
    otherDomain.DoCallBack(new CrossAppDomainDelegate(MyCallBack));

    // Output:
    //   PING! from defaultDomain
    //   PONG! from otherDomain
}

static public void MyCallBack()
{
    string name = AppDomain.CurrentDomain.FriendlyName;

    if (name == AppDomain.CurrentDomain.SetupInformation.ApplicationName)
    {
        name = "defaultDomain";
    }
    Console.WriteLine(greetings + " from " + name);
}

open System

let mutable greetings = "PONG!"

let myCallBack () =
    let mutable name = AppDomain.CurrentDomain.FriendlyName

    if name = AppDomain.CurrentDomain.SetupInformation.ApplicationName then
        name <- "defaultDomain"
    printfn $"{greetings} from {name}"

let otherDomain = AppDomain.CreateDomain "otherDomain"
greetings <- "PING!"
myCallBack ()
otherDomain.DoCallBack(CrossAppDomainDelegate myCallBack)

// Output:
//   PING! from defaultDomain
//   PONG! from otherDomain

Public Module PingPong

    Private greetings As String = "PONG!"

    Sub Main()
        Dim otherDomain As AppDomain = AppDomain.CreateDomain("otherDomain")

        greetings = "PING!"
        MyCallBack()
        otherDomain.DoCallBack(AddressOf MyCallBack)

        ' Output:
        '   PING! from defaultDomain
        '   PONG! from otherDomain
     End Sub

     Sub MyCallBack()
        Dim name As String = AppDomain.CurrentDomain.FriendlyName
        If name = AppDomain.CurrentDomain.SetupInformation.ApplicationName Then
            name = "defaultDomain"
        End If
        Console.WriteLine(greetings + " from " + name)
     End Sub

End Module 'PingPong

Im folgenden Beispiel wird die Verwendung der DoCallBack Methode nach Wert veranschaulicht.


[Serializable]
public ref class PingPong
{
private:
    String^ greetings;

public:
    PingPong()
    {
        greetings = "PING!";
    }

    static void Main()
    {
        AppDomain^ otherDomain = AppDomain::CreateDomain("otherDomain");

        PingPong^ pp = gcnew PingPong();
        pp->MyCallBack();
        pp->greetings = "PONG!";
        otherDomain->DoCallBack(gcnew CrossAppDomainDelegate( pp, &PingPong::MyCallBack));

        // Output:
        //   PING! from defaultDomain
        //   PONG! from otherDomain
    }

    void MyCallBack()
    {
        String^ name = AppDomain::CurrentDomain->FriendlyName;

        if (name == AppDomain::CurrentDomain->SetupInformation->ApplicationName)
        {
            name = "defaultDomain";
        }
        Console::WriteLine(greetings + " from " + name);
    }
};

int main()
{
   PingPong::Main();
}

[Serializable]
public class PingPong
{
    private string greetings = "PING!";

    public static void Main()
    {
        AppDomain otherDomain = AppDomain.CreateDomain("otherDomain");

        PingPong pp = new PingPong();
        pp.MyCallBack();
        pp.greetings = "PONG!";
        otherDomain.DoCallBack(new CrossAppDomainDelegate(pp.MyCallBack));

        // Output:
        //   PING! from defaultDomain
        //   PONG! from otherDomain
    }

    public void MyCallBack()
    {
        string name = AppDomain.CurrentDomain.FriendlyName;

        if (name == AppDomain.CurrentDomain.SetupInformation.ApplicationName)
        {
            name = "defaultDomain";
        }
        Console.WriteLine(greetings + " from " + name);
    }
}

open System

[<Serializable>]
type PingPong() as this =
    [<DefaultValue>]
    val mutable greetings: string
    do  
        this.greetings <- "PING!"

    member _.MyCallBack() =
        let mutable name = AppDomain.CurrentDomain.FriendlyName

        if name = AppDomain.CurrentDomain.SetupInformation.ApplicationName then
            name <- "defaultDomain"
        printfn $"{this.greetings} from {name}"

let otherDomain = AppDomain.CreateDomain "otherDomain"

let pp = PingPong()
pp.MyCallBack()
pp.greetings <- "PONG!"
otherDomain.DoCallBack(CrossAppDomainDelegate pp.MyCallBack)

// Output:
//   PING! from defaultDomain
//   PONG! from otherDomain

<Serializable> _
Public Class PingPong
     Private greetings As String = "PING!"

     Public Shared Sub Main()
        Dim otherDomain As AppDomain = AppDomain.CreateDomain("otherDomain")

        Dim pp As New PingPong()
        pp.MyCallBack()
        pp.greetings = "PONG!"
        otherDomain.DoCallBack(AddressOf pp.MyCallBack)

        ' Output:
        '   PING! from defaultDomain
        '   PONG! from otherDomain
    End Sub

    Public Sub MyCallBack()
        Dim name As String = AppDomain.CurrentDomain.FriendlyName
        If name = AppDomain.CurrentDomain.SetupInformation.ApplicationName Then
            name = "defaultDomain"
        End If
        Console.WriteLine(greetings + " from " + name)
    End Sub

End Class

Im folgenden Beispiel wird die Verwendung der Methode anhand einer DoCallBack Referenz veranschaulicht.

public ref class PingPong : public MarshalByRefObject
{
private:
   String^ greetings;

public:
    PingPong()
    {
        greetings = "PING!";
    }

    static void Main()
    {
        AppDomain^ otherDomain = AppDomain::CreateDomain("otherDomain");

        PingPong^ pp = gcnew PingPong();
        pp->MyCallBack();
        pp->greetings = "PONG!";
        otherDomain->DoCallBack(gcnew CrossAppDomainDelegate( pp, &PingPong::MyCallBack));

        // Output:
        //   PING! from defaultDomain
        //   PONG! from defaultDomain
    }

    // Callback will always execute within defaultDomain due to inheritance from
    // MarshalByRefObject
    void MyCallBack()
    {
        String^ name = AppDomain::CurrentDomain->FriendlyName;
        if (name == AppDomain::CurrentDomain->SetupInformation->ApplicationName)
        {
            name = "defaultDomain";
        }
        Console::WriteLine(greetings + " from " + name);
    }
};

int main()
{
   PingPong::Main();
}

public class PingPong : MarshalByRefObject
{
    private string greetings = "PING!";

    public static void Main()
    {
        AppDomain otherDomain = AppDomain.CreateDomain("otherDomain");

        PingPong pp = new PingPong();
        pp.MyCallBack();
        pp.greetings = "PONG!";
        otherDomain.DoCallBack(new CrossAppDomainDelegate(pp.MyCallBack));

        // Output:
        //   PING! from defaultDomain
        //   PONG! from defaultDomain
    }

    // Callback will always execute within defaultDomain due to inheritance from
    // MarshalByRefObject
    public void MyCallBack()
    {
        string name = AppDomain.CurrentDomain.FriendlyName;
        if (name == AppDomain.CurrentDomain.SetupInformation.ApplicationName)
        {
            name = "defaultDomain";
        }
        Console.WriteLine(greetings + " from " + name);
    }
}

open System
type PingPong() as this =
    inherit MarshalByRefObject()
    [<DefaultValue>]
    val mutable greetings: string
    do  
        this.greetings <- "PING!"

    // Callback will always execute within defaultDomain due to inheritance from MarshalByRefObject
    member this.MyCallBack() =
        let mutable name = AppDomain.CurrentDomain.FriendlyName
        if name = AppDomain.CurrentDomain.SetupInformation.ApplicationName then
            name <- "defaultDomain"
        printfn $"{this.greetings} from {name}"

let otherDomain = AppDomain.CreateDomain "otherDomain"

let pp = new PingPong()
pp.MyCallBack()
pp.greetings <- "PONG!"
otherDomain.DoCallBack(CrossAppDomainDelegate pp.MyCallBack)

// Output:
//   PING! from defaultDomain
//   PONG! from defaultDomain

Public Class PingPong
    Inherits MarshalByRefObject

    Private greetings As String = "PING!"
   
    Public Shared Sub Main()
        Dim otherDomain As AppDomain = AppDomain.CreateDomain("otherDomain")

        Dim pp As New PingPong()
        pp.MyCallBack()
        pp.greetings = "PONG!"
        otherDomain.DoCallBack(AddressOf pp.MyCallBack)

        ' Output:
        '   PING! from default domain
        '   PONG! from default domain
     End Sub

    ' Callback will always execute within defaultDomain due to inheritance from
    ' MarshalByRefObject
    Public Sub MyCallBack()
        Dim name As String = AppDomain.CurrentDomain.FriendlyName
        If name = AppDomain.CurrentDomain.SetupInformation.ApplicationName Then
            name = "defaultDomain"
        End If
        Console.WriteLine((greetings + " from " + name))
    End Sub

End Class

Hinweise

callBackDelegate kann einen Marshal-by-Value, MarshalByRefObjectoder ContextBoundObjecteinen Wert angeben.

Gilt für