NavigationCommands.Zoom 屬性

  • 參考

定義

命名空間:
System.Windows.Input
組件:
PresentationCore.dll

取得代表 Zoom 命令的值。

public:
 static property System::Windows::Input::RoutedUICommand ^ Zoom { System::Windows::Input::RoutedUICommand ^ get(); };
public static System.Windows.Input.RoutedUICommand Zoom { get; }
static member Zoom : System.Windows.Input.RoutedUICommand
Public Shared ReadOnly Property Zoom As RoutedUICommand

屬性值

RoutedUICommand

路由UI命令。

預設值
按鍵動作 N/A
UI 文字 縮放

範例

下列範例示範如何實作搭配 回應 Zoom 命令 FlowDocumentPageViewer的程序代碼。

<Window
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="SDKSample.Zoom">

<FlowDocumentPageViewer Name="flowDocumentPageViewer" MinZoom="50" MaxZoom="200">

  <!-- Zoom Context Menu-->
  <FlowDocumentPageViewer.ContextMenu>
    <ContextMenu>
      <ContextMenu.CommandBindings>
        <CommandBinding
          Command="NavigationCommands.Zoom"
          CanExecute="navigationCommandZoom_CanExecute"
          Executed="navigationCommandZoom_Executed" />
      </ContextMenu.CommandBindings>
      <MenuItem Header="50%" Command="NavigationCommands.Zoom" CommandParameter="50" />
      <MenuItem Header="100%" Command="NavigationCommands.Zoom" CommandParameter="100" />
      <MenuItem Header="150%" Command="NavigationCommands.Zoom" CommandParameter="150" />
      <MenuItem Header="200%" Command="NavigationCommands.Zoom" CommandParameter="200" />
    </ContextMenu>
  </FlowDocumentPageViewer.ContextMenu>

  <FlowDocument>
    <!-- Document Content-->
    <Paragraph>
      Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Sed vulputate, lacus non sagittis pharetra, diam dolor dictum tellus, et hendrerit odio risus nec erat. Nam sollicitudin imperdiet mi. Sed rutrum. Morbi vel nunc. Donec imperdiet. Morbi hendrerit leo. Maecenas imperdiet. Curabitur viverra tempor nisi. Phasellus vitae augue sit amet neque venenatis elementum. Proin posuere lobortis quam. Curabitur et neque. Donec ac sem vitae libero pharetra luctus. Fusce purus. Nulla vehicula, leo commodo dictum lobortis, odio augue accumsan ante, id dictum nisi libero quis diam. Nam augue erat, malesuada eu, tincidunt eu, dictum ut, ante. In vel magna vel ligula faucibus lobortis. Praesent a felis non mi fringilla vulputate. Integer quis tellus cursus elit tincidunt vehicula. Morbi commodo sem eu eros. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae;
    </Paragraph>

  </FlowDocument>
</FlowDocumentPageViewer>

</Window>

備註

此命令指出設定縮放層級的意圖。

在任何指定的 WPF 類別上沒有回應 Zoom 命令的實作。 因此，您必須提供適當的實作，如範例所示。

XAML Attribute Usage

<object property="NavigationCommands.Zoom"/>

適用於

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