PageMediaSize Class (System.Printing)

		''' <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()

/// <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()