PrintTicket.PageMediaSize 屬性

定義

命名空間:

System.Printing

組件:

ReachFramework.dll

取得或設定印表機用於列印工作的紙張 (或其他媒體) 列印大小。

public:
 property System::Printing::PageMediaSize ^ PageMediaSize { System::Printing::PageMediaSize ^ get(); void set(System::Printing::PageMediaSize ^ value); };

public System.Printing.PageMediaSize PageMediaSize { get; set; }

member this.PageMediaSize : System.Printing.PageMediaSize with get, set

Public Property PageMediaSize As PageMediaSize

屬性值

PageMediaSize

PageMediaSize 物件，使用名稱、維度或兩者來代表頁面大小。

例外狀況

ArgumentOutOfRangeException

呼叫程式碼嘗試以 PageMediaSize 物件來設定屬性，而此物件至少有一個 null 屬性。

-或-

呼叫程式碼嘗試以 PageMediaSize 物件來設定屬性，而此物件的 PageMediaSizeName 屬性設定為不屬於 PageMediaSizeName 列舉型別 (Enumeration) 的值。

-或-

呼叫程式碼嘗試以 PageMediaSize 物件來設定屬性，而此物件的 Width 或 Height 屬性設定為小於 1 的值。

範例

下列範例示範如何使用這個屬性來調整視覺元素，以符合要列印的紙張邊界。

/// <summary>
///   Returns a scaled copy of a given visual transformed to
///   fit for printing to a specified print queue.</summary>
/// <param name="v">
///   The visual to be printed.</param>
/// <param name="pq">
///   The print queue to be output to.</param>
/// <returns>
///   The root element of the transformed visual.</returns>
private Visual PerformTransform(Visual v, PrintQueue pq)
{
    ContainerVisual root = new ContainerVisual();
    const double inch = 96;

    // Set the margins.
    double xMargin = 1.25 * inch;
    double yMargin = 1 * inch;

    PrintTicket pt = pq.UserPrintTicket;
    Double printableWidth = pt.PageMediaSize.Width.Value;
    Double printableHeight = pt.PageMediaSize.Height.Value;

    Double xScale = (printableWidth - xMargin * 2) / printableWidth;
    Double yScale = (printableHeight - yMargin * 2) / printableHeight;

    root.Children.Add(v);
    root.Transform = new MatrixTransform(xScale, 0, 0, yScale, xMargin, yMargin);

    return root;
}// end:PerformTransform()

''' <summary>
'''   Returns a scaled copy of a given visual transformed to
'''   fit for printing to a specified print queue.</summary>
''' <param name="v">
'''   The visual to be printed.</param>
''' <param name="pq">
'''   The print queue to be output to.</param>
''' <returns>
'''   The root element of the transformed visual.</returns>
Private Function PerformTransform(ByVal v As Visual, ByVal pq As PrintQueue) As Visual
    Dim root As New ContainerVisual()
    Const inch As Double = 96

    ' Set the margins.
    Dim xMargin As Double = 1.25 * inch
    Dim yMargin As Double = 1 * inch

    Dim pt As PrintTicket = pq.UserPrintTicket
    Dim printableWidth As Double = pt.PageMediaSize.Width.Value
    Dim printableHeight As Double = pt.PageMediaSize.Height.Value

    Dim xScale As Double = (printableWidth - xMargin * 2) / printableWidth
    Dim yScale As Double = (printableHeight - yMargin * 2) / printableHeight

    root.Children.Add(v)
    root.Transform = New MatrixTransform(xScale, 0, 0, yScale, xMargin, yMargin)

    Return root
End Function ' end:PerformTransform()

備註

此屬性會對應至 列印架構的 PageMediaSize 關鍵詞。

您可以使用 屬性來測試印表機支援 PageMediaSizeCapability 的選項。