ScrollPattern.ScrollPatternInformation.VerticalViewSize Properti

Definisi

Ruang nama:

System.Windows.Automation

Rakitan:

UIAutomationClient.dll

Mendapatkan ukuran tampilan vertikal saat ini.

public:
 property double VerticalViewSize { double get(); };

public double VerticalViewSize { get; }

member this.VerticalViewSize : double

Public ReadOnly Property VerticalViewSize As Double

Nilai Properti

Double

Ukuran vertikal wilayah yang dapat dilihat sebagai persentase dari total area konten dalam elemen Automation UI. Nilai defaultnya adalah 100,0.

Contoh

Dalam contoh berikut, objek yang ScrollPattern diperoleh dari kontrol target diteruskan ke fungsi yang mengambil ukuran vertikal dan horizontal saat ini dari wilayah yang dapat dilihat sebagai persentase dari total area konten.

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

    double[] viewSizes = new double[2];

    viewSizes[0] =
        scrollPattern.Current.HorizontalViewSize;

    viewSizes[1] =
         scrollPattern.Current.VerticalViewSize;

    return viewSizes;
}

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

    Dim viewSizes(1) As Double

    viewSizes(0) = scrollPattern.Current.HorizontalViewSize

    viewSizes(1) = scrollPattern.Current.VerticalViewSize

    Return viewSizes

End Function 'GetViewSizes