共用方式為

FlowDocumentScrollViewer.Zoom 屬性

  • 參考

定義

命名空間:
System.Windows.Controls
組件:
PresentationFramework.dll

取得或設定目前的縮放層級。

public:
 property double Zoom { double get(); void set(double value); };
public double Zoom { get; set; }
member this.Zoom : double with get, set
Public Property Zoom As Double

屬性值

Double

目前的縮放層級 (以百分比表示)。 預設值為 100.0 (縮放層級 100%)。

範例

下列範例示範如何設定 Zoom 屬性。

<FlowDocumentScrollViewer
  HorizontalScrollBarVisibility="Auto" 
  VerticalScrollBarVisibility="Auto" 
  IsSelectionEnabled="True" 
  IsToolBarVisible="True" 
  MinZoom="50" MaxZoom="1000"
  Zoom="120" ZoomIncrement="5"
>
  <FlowDocument>
    <Paragraph>
      Flow content...
    </Paragraph>
  </FlowDocument>
</FlowDocumentScrollViewer>

下列範例示範如何以程式設計方式設定 Zoom 屬性。

FlowDocumentScrollViewer flowDocScrollViewer = new FlowDocumentScrollViewer();

// Enable content selection.
flowDocScrollViewer.IsSelectionEnabled = true;
// Enable the toolbar.
flowDocScrollViewer.IsToolBarVisible = true;

// Set zoom between 50% and 1000%.
flowDocScrollViewer.MinZoom = 50;
flowDocScrollViewer.MaxZoom = 1000;
// Set the zoom increment to 5%.
flowDocScrollViewer.ZoomIncrement = 5;
// Set the initial zoom to 120%.
flowDocScrollViewer.Zoom = 120;

FlowDocument flowDoc = new FlowDocument(new Paragraph(new Run("Flow content...")));
flowDocScrollViewer.Document = flowDoc;

Dim flowDocScrollViewer As New FlowDocumentScrollViewer()

With flowDocScrollViewer
    ' Enable content selection.
    .IsSelectionEnabled = True
    ' Enable the toolbar.
    .IsToolBarVisible = True

    ' Set zoom between 50% and 1000%.
    .MinZoom = 50
    .MaxZoom = 1000
    ' Set the zoom increment to 5%.
    .ZoomIncrement = 5
    ' Set the initial zoom to 120%.
    .Zoom = 120

    Dim flowDoc As New FlowDocument(New Paragraph(New Run("Flow content...")))
    .Document = flowDoc
End With

備註

縮放層級受限於 和 MaxZoom 屬性的值 MinZoom 。

相依性屬性資訊
識別碼欄位 ZoomProperty
設定為 的中繼資料屬性 true 無

適用於

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