SettingsCommand 类

定义

命名空间:

Windows.UI.ApplicationSettings

注意

SettingsPane 已弃用，可能不适用于所有版本的 Windows 10。 无需使用 SettingsPane，而是将设置选项集成到应用体验中。 有关详细信息，请参阅 应用设置指南。

创建一个表示设置项的设置命令对象。 此设置命令可以追加到 ApplicationCommands 向量。

public ref class SettingsCommand sealed : IUICommand

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.None)]
/// [Windows.Foundation.Metadata.Activatable(Windows.UI.ApplicationSettings.ISettingsCommandFactory, 65536, "Windows.Foundation.UniversalApiContract")]
class SettingsCommand final : IUICommand

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.None)]
[Windows.Foundation.Metadata.Activatable(typeof(Windows.UI.ApplicationSettings.ISettingsCommandFactory), 65536, "Windows.Foundation.UniversalApiContract")]
public sealed class SettingsCommand : IUICommand

function SettingsCommand(settingsCommandId, label, handler)

Public NotInheritable Class SettingsCommand
Implements IUICommand

继承

Object Platform::Object IInspectable SettingsCommand

属性

ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute

实现

IUICommand

Windows 要求

设备系列	Windows 10 (在 10.0.10240.0 - for Xbox, see UWP features that aren't yet supported on Xbox 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

示例

以下代码演示如何使用 SettingsPane 和 SettingsCommand 类添加应用命令。 有关完整示例，请参阅 应用设置示例。

using Windows.UI.ApplicationSettings;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
using System;

// This is the click handler for the 'addSettingsScenarioAdd' button.  
// Replace this with your own handler if you have a button or buttons on this page.
void addSettingsScenarioAdd_Click(object sender, RoutedEventArgs e)
{
    Button b = sender as Button;
    if (b != null)
    {
        rootPage.NotifyUser(
            "You selected the " + b.Content + " button", 
            NotifyType.StatusMessage);

        if (!this.isEventRegistered)
        {
            SettingsPane.GetForCurrentView().CommandsRequested += onCommandsRequested;
            this.isEventRegistered = true;
        }
    }
}

void onSettingsCommand(IUICommand command)
{
    SettingsCommand settingsCommand = (SettingsCommand)command;
    rootPage.NotifyUser(
        "You selected the " + settingsCommand.Label + " settings command", 
        NotifyType.StatusMessage);
}

void onCommandsRequested(
    SettingsPane settingsPane, 
    SettingsPaneCommandsRequestedEventArgs eventArgs)
{
    UICommandInvokedHandler handler = new UICommandInvokedHandler(onSettingsCommand);

    SettingsCommand generalCommand = new SettingsCommand(
        "generalSettings", "General", handler);
    eventArgs.Request.ApplicationCommands.Add(generalCommand);

    SettingsCommand helpCommand = new SettingsCommand("helpPage", "Help", handler);
    eventArgs.Request.ApplicationCommands.Add(helpCommand);
}

#include "pch.h"
#include "AddSettingsScenario.xaml.h"

using namespace ApplicationSettings;

using namespace Windows::Foundation;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Navigation;
using namespace Windows::UI::ApplicationSettings;
using namespace Windows::UI::Popups;

void AddSettingsScenario::addSettingsScenarioAdd_Click(
    Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    Button^ b = safe_cast<Button^>(sender);
    if (b != nullptr)
    {
        rootPage->NotifyUser("You selected the " + b->Content + " button", 
            NotifyType::StatusMessage);
        if (!this->isEventRegistered)
        {
            this->commandsRequestedEventRegistrationToken = 
                SettingsPane::GetForCurrentView()->CommandsRequested += 
                    ref new TypedEventHandler<SettingsPane^, 
                    SettingsPaneCommandsRequestedEventArgs^>(this, 
                        &AddSettingsScenario::OnCommandsRequested);
            this->isEventRegistered = true;
        }
    }
}

void AddSettingsScenario::OnSettingsCommand(
    Windows::UI::Popups::IUICommand^ command)
{
    SettingsCommand^ settingsCommand = safe_cast<SettingsCommand^>(command);
    rootPage->NotifyUser(
        "You selected the " + settingsCommand->Label + " settings command", 
        NotifyType::StatusMessage);
}

void AddSettingsScenario::OnCommandsRequested(
    Windows::UI::ApplicationSettings::SettingsPane^ settingsPane,
    Windows::UI::ApplicationSettings::SettingsPaneCommandsRequestedEventArgs^ eventArgs)
{
    UICommandInvokedHandler^ handler = ref new UICommandInvokedHandler(
        this, &AddSettingsScenario::OnSettingsCommand);

    SettingsCommand^ generalCommand = ref new SettingsCommand(
        "generalSettings", "General", handler);
    eventArgs->Request->ApplicationCommands->Append(generalCommand);

    SettingsCommand^ helpCommand = ref new SettingsCommand("helpPage", "Help", handler);
    eventArgs->Request->ApplicationCommands->Append(helpCommand);
}

#include "pch.h"
#include "AddSettingsScenario.xaml.h"

using namespace ApplicationSettings;

using namespace Windows::Foundation;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Navigation;
using namespace Windows::UI::ApplicationSettings;
using namespace Windows::UI::Popups;

void ApplicationSettings::AddSettingsScenario::addSettingsScenarioAdd_Click(
    Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    Button^ b = safe_cast<Button^>(sender);
    if (b != nullptr)
    {
        rootPage->NotifyUser("You selected the " + b->Content + " button", 
            NotifyType::StatusMessage);
        if (!this->isEventRegistered)
        {
            this->commandsRequestedEventRegistrationToken = 
                SettingsPane::GetForCurrentView()->CommandsRequested += 
                    ref new TypedEventHandler<SettingsPane^, 
                    SettingsPaneCommandsRequestedEventArgs^>(this, 
                        &AddSettingsScenario::onCommandsRequested);
            this->isEventRegistered = true;
        }
    }
}

void ApplicationSettings::AddSettingsScenario::onSettingsCommand(
    Windows::UI::Popups::IUICommand^ command)
{
    SettingsCommand^ settingsCommand = safe_cast<SettingsCommand^>(command);
    rootPage->NotifyUser(
        "You selected the " + settingsCommand->Label + " settings command", 
        NotifyType::StatusMessage);
}

void ApplicationSettings::AddSettingsScenario::onCommandsRequested(
    Windows::UI::ApplicationSettings::SettingsPane^ settingsPane,
    Windows::UI::ApplicationSettings::SettingsPaneCommandsRequestedEventArgs^ eventArgs)
{
    UICommandInvokedHandler^ handler = ref new UICommandInvokedHandler(
        this, &AddSettingsScenario::onSettingsCommand);

    SettingsCommand^ generalCommand = ref new SettingsCommand(
        "generalSettings", "General", handler);
    eventArgs->Request->ApplicationCommands->Append(generalCommand);

    SettingsCommand^ helpCommand = ref new SettingsCommand("helpPage", "Help", handler);
    eventArgs->Request->ApplicationCommands->Append(helpCommand);
}

Imports Windows.UI.ApplicationSettings
Imports Windows.UI.Popups
Imports Windows.UI.Xaml
Imports Windows.UI.Xaml.Controls
Imports Windows.UI.Xaml.Navigation
Imports System

    '' This is the click handler for the 'addSettingsScenarioAdd' button.  
    '' Replace this with your own handler if you have a button or buttons on this page.
    Private Sub addSettingsScenarioAdd_Click(sender As Object, e As RoutedEventArgs)
        Dim b As Button = TryCast(sender, Button)
        If b IsNot Nothing Then
            rootPage.NotifyUser("You selected the " & b.Content & " button", _
                NotifyType.StatusMessage)
            If Not Me.isEventRegistered Then
                AddHandler SettingsPane.GetForCurrentView.CommandsRequested, _
                    AddressOf onCommandsRequested
                Me.isEventRegistered = True
            End If
        End If
    End Sub

    Private Sub onSettingsCommand(command As IUICommand)
        Dim settingsCommand As SettingsCommand = DirectCast(command, SettingsCommand)
        rootPage.NotifyUser( _
        "You selected the " & settingsCommand.Label & " settings command", _
        NotifyType.StatusMessage)
    End Sub

    Private Sub onCommandsRequested(settingsPane As SettingsPane, _
        eventArgs As SettingsPaneCommandsRequestedEventArgs)
        Dim handler As New UICommandInvokedHandler(AddressOf onSettingsCommand)

        Dim generalCommand As New SettingsCommand("generalSettings", "General", handler)
        eventArgs.Request.ApplicationCommands.Add(generalCommand)

        Dim helpCommand As New SettingsCommand("helpPage", "Help", handler)
        eventArgs.Request.ApplicationCommands.Add(helpCommand)
    End Sub


    '' This is the click handler for the 'addSettingsScenarioShow' button.  
    '' Replace this with your own handler if you have a button or buttons on this page.
    Private Sub addSettingsScenarioShow_Click(sender As Object, e As RoutedEventArgs)
        Dim b As Button = TryCast(sender, Button)
        If b IsNot Nothing Then
            rootPage.NotifyUser("You selected the " & b.Content & " button", _
                NotifyType.StatusMessage)
            SettingsPane.Show()
        End If
    End Sub

注解

注意

此类不敏捷，这意味着需要考虑其线程模型和封送处理行为。 有关详细信息，请参阅线程和封送处理 (C++/CX) 和使用多线程环境中的Windows 运行时对象 (.NET) 。

构造函数

SettingsCommand(Object, String, UICommandInvokedHandler)

创建新的设置命令。

属性

AccountsCommand	获取帐户设置窗格中 Web 帐户的命令。
Id	获取或设置命令 ID。
Invoked	获取或设置用户选择命令时引发的事件的处理程序。
Label	获取或设置命令的标签。

另请参阅

• SettingsPane
• 应用设置示例