NavigationCommands.Zoom 屬性

定義

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

取得代表指令的 Zoom 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

路由的 UI 指令。

預設值
關鍵手勢 N/A
使用者介面文字 Zoom

範例

以下範例展示如何實作能回應指令的 Zoom 程式碼，並結合 FlowDocumentPageViewer。

<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

此指令表示設定縮放音量的意圖。

目前沒有任何實作可以回應任何給定 WPF 類別的 Zoom 指令。 因此，你需要提供適當的實作方式，如範例所示。

XAML 屬性使用方式

<object property="NavigationCommands.Zoom"/>

適用於

另請參閱