共用方式為

NavigationCommands.DecreaseZoom 屬性

  • 參考

定義

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

取得代表 Decrease Zoom 命令的值。

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

屬性值

RoutedUICommand

路由UI命令。

預設值
按鍵動作 N/A
UI 文字 減少縮放比例

範例

下列範例示範如何搭配 FlowDocumentPageViewer使用 DecreaseZoom 。 提供 FlowDocumentPageViewer 實作，可藉由減少縮放百分比來回應 DecreaseZoom 命令。

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

<!-- NavigationCommands.DecreaseZoom -->
<MenuItem
  Command="NavigationCommands.DecreaseZoom"
  CommandTarget="{Binding ElementName=flowDocumentPageViewer}" />

<!-- The following FlowDocumentPageViewer is used to process NavigationCommands.DecreaseZoom commands -->
<FlowDocumentPageViewer Name="flowDocumentPageViewer">
  <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

此命令指出減少縮放的意圖。

DocumentViewer、 FlowDocumentReader、 FlowDocumentScrollViewer和 FlowDocumentPageViewer 實作回應 DecreaseZoom 命令的支持，雖然您不需要使用它;在許多情況下，響應該命令的實作是應用程式寫入器的責任。

XAML Attribute Usage

<object property="NavigationCommands.DecreaseZoom"/>

適用於

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