FileOpenPickerActivatedEventArgs 類別

定義

public ref class FileOpenPickerActivatedEventArgs sealed : IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

public ref class FileOpenPickerActivatedEventArgs sealed : IActivatedEventArgsWithUser, IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class FileOpenPickerActivatedEventArgs final : IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class FileOpenPickerActivatedEventArgs final : IActivatedEventArgsWithUser, IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class FileOpenPickerActivatedEventArgs : IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class FileOpenPickerActivatedEventArgs : IActivatedEventArgsWithUser, IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

Public NotInheritable Class FileOpenPickerActivatedEventArgs
Implements IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

Public NotInheritable Class FileOpenPickerActivatedEventArgs
Implements IActivatedEventArgsWithUser, IFileOpenPickerActivatedEventArgs, IFileOpenPickerActivatedEventArgs2

繼承

Object Platform::Object IInspectable FileOpenPickerActivatedEventArgs

屬性

ContractVersionAttribute MarshalingBehaviorAttribute

實作

IActivatedEventArgs IFileOpenPickerActivatedEventArgs IFileOpenPickerActivatedEventArgs2 IActivatedEventArgsWithUser

Windows 需求

範例

檔案選擇器合約範例示範如何回應FileOpenPicker啟用點。

// File open picker activated event handler
protected override void OnFileOpenPickerActivated(FileOpenPickerActivatedEventArgs args)
{
    var FileOpenPickerPage = new SDKTemplate.FileOpenPickerPage();
    FileOpenPickerPage.Activate(args);
}

// Overloaded method to respond to fileOpenPicker events
public void Activate(FileOpenPickerActivatedEventArgs args)
{
    // Perform tasks to prepare your app to display its file picker page

    // Get file picker UI
    fileOpenPickerUI = args.FileOpenPickerUI;

    Window.Current.Content = this;
    this.OnNavigatedTo(null);
    Window.Current.Activate();
}

針對 C#， args 針對 OnFileOpenPickerActivated 覆寫會參考 FileOpenPickerActivatedEventArgs 物件。 OnFileOpenPickerActivated覆寫位於 App.xaml.cs 檔案中，而 Activate 方法位於檔案選擇器合約範例的 FileOpenPickerPage.xaml.cs 檔案中。

備註

瞭解如何在快速入門：透過Windows.Storage.Pickers.Provider命名空間參考中提供檔案服務，讓使用者從您的應用程式挑選檔案。

當使用者想要挑選應用程式所提供的檔案或資料夾時，FileOpenPickerActivatedEventArgs 物件會傳遞至應用程式的啟動事件處理常式。 這種類型的啟用是由Kind屬性所傳回的ActivationKind.FileOpenPicker值所表示。

以 JavaScript 撰寫的應用程式必須接聽並處理 Windows.UI.WebUI.webUIApplication.activated 事件。

使用 C++、C# 或 Visual Basic 的 UWP 應用程式通常會透過覆寫 Application 物件的方法來實作啟用點。 預設範本 app.xaml 程式碼後置檔案一律會包含 OnLaunched的覆寫，但定義其他啟用點的覆寫，例如 OnFileOpenPickerActivated ，取決於您的應用程式程式碼。

啟用案例中涉及的所有 應用程式 覆寫都應該在其實作中呼叫 Window.Activate 。

版本歷程記錄

另請參閱

• OnFileOpenPickerActivated(FileOpenPickerActivatedEventArgs)
• Application
• FileOpenPicker
• Windows.Storage.Pickers.Provider
• Activated
• Activated
• 快速入門：透過 提供檔案服務
• 檔案選擇器合約範例