PdfViewer.GetPageSize(Int32) Method

Returns the size (in inches) of the specified document page.

Namespace: DevExpress.XtraPdfViewer

Assembly: DevExpress.XtraPdfViewer.v23.2.dll

NuGet Package: DevExpress.Win.PdfViewer

Declaration

C#

public SizeF GetPageSize(
    int pageNumber
)

VB.NET

Public Function GetPageSize(
    pageNumber As Integer
) As SizeF

Parameters

Name	Type	Description
pageNumber	Int32	An integer value, specifying the document page index.

Returns

Type	Description
SizeF	A SizeF structure, specifying the page width and height in inches.

Remarks

The code sample below calculates the zoom factor depending on the page height. The dpi variable is a default resolution value for a PDF Viewer.

C#

SizeF currentPageSize = pdfViewer1.GetPageSize(pdfViewer1.CurrentPageNumber);
float dpi = 110f;
float pageHeightPixel = currentPageSize.Height * dpi;
float topBottomOffset = 40f;
pdfViewer1.ZoomFactor = ((float)pdfViewer1.ClientSize.Height - topBottomOffset) / pageHeightPixel * 100f;

VB.NET

Dim currentPageSize As SizeF = pdfViewer1.GetPageSize(pdfViewer1.CurrentPageNumber)
Dim dpi As Single = 110F
Dim pageHeightPixel As Single = currentPageSize.Height * dpi
Dim topBottomOffset As Single = 40F
pdfViewer1.ZoomFactor = (CSng(pdfViewer1.ClientSize.Height) - topBottomOffset) / pageHeightPixel * 100F