ScrollPattern.HorizontalViewSizeProperty 欄位

定義

命名空間:

System.Windows.Automation

組件:

UIAutomationClient.dll

識別 HorizontalViewSize 屬性。

public: static initonly System::Windows::Automation::AutomationProperty ^ HorizontalViewSizeProperty;

public static readonly System.Windows.Automation.AutomationProperty HorizontalViewSizeProperty;

 staticval mutable HorizontalViewSizeProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly HorizontalViewSizeProperty As AutomationProperty 

欄位值

AutomationProperty

範例

在下列範例中，根項目會傳遞至函式，以傳回可檢視區域目前垂直和水準大小的函式，做為總內容區域的百分比。

///--------------------------------------------------------------------
/// <summary>
/// Obtains the current vertical and horizontal sizes of the viewable  
/// region as percentages of the total content area.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// The horizontal and vertical view sizes.
/// </returns>
///--------------------------------------------------------------------
private double[] GetViewSizes(AutomationElement targetControl)
{
    if (targetControl == null)
    {
        throw new ArgumentNullException(
            "AutomationElement argument cannot be null.");
    }

    double[] viewSizes = new double[2];

    viewSizes[0] =
        (double)targetControl.GetCurrentPropertyValue(
        ScrollPattern.HorizontalViewSizeProperty);

    viewSizes[1] =
         (double)targetControl.GetCurrentPropertyValue(
         ScrollPattern.VerticalViewSizeProperty);

    return viewSizes;
}

'''--------------------------------------------------------------------
''' <summary>
''' Obtains the current vertical and horizontal sizes of the viewable  
''' region as percentages of the total content area.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
''' <returns>
''' The horizontal and vertical view sizes.
''' </returns>
'''--------------------------------------------------------------------
Private Overloads Function GetViewSizes( _
ByVal targetControl As AutomationElement) As Double()
    If targetControl Is Nothing Then
        Throw New ArgumentNullException( _
        "AutomationElement argument cannot be null.")
    End If

    Dim viewSizes(1) As Double

    viewSizes(0) = System.Convert.ToDouble( _
    targetControl.GetCurrentPropertyValue( _
    ScrollPattern.HorizontalViewSizeProperty))

    viewSizes(1) = System.Convert.ToDouble( _
    targetControl.GetCurrentPropertyValue( _
    ScrollPattern.VerticalViewSizeProperty))

    Return viewSizes

End Function 'GetViewSizes

備註

消費者介面自動化用戶端應用程式會使用此識別碼。 消費者介面自動化提供者應該使用 中的 ScrollPatternIdentifiers 對等欄位。

另請參閱

• VerticalViewSizeProperty