PdfViewerControl.ConvertPixelToDocumentPosition(Point) Method

Returns the page number and page coordinates corresponding to a point.

Namespace: DevExpress.Xpf.PdfViewer

Assembly: DevExpress.Xpf.PdfViewer.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.PdfViewer, DevExpress.Wpf.PdfViewer

Declaration

C#

public PdfDocumentPosition ConvertPixelToDocumentPosition(
    Point point
)

VB.NET

Public Function ConvertPixelToDocumentPosition(
    point As Point
) As PdfDocumentPosition

Parameters

Name	Type	Description
point	Point	A Point object.

Returns

Type	Description
PdfDocumentPosition	A PdfDocumentPosition object.

Remarks

If a document does not contain pages, the ConvertPixelToDocumentPosition method returns null.

If a point does not refer to a document page, the ConvertPixelToDocumentPosition method returns the PdfDocumentPosition object with the following parameters:

PdfDocumentPosition(1, new PdfPoint())

The code sample below determines the page number of a clicked page in the MouseDown event handler.

C#

private void PdfViewer_MouseDown(object sender, MouseButtonEventArgs e)
{
    PdfDocumentPosition position = pdfViewer.ConvertPixelToDocumentPosition(e.GetPosition(pdfViewer));
    MessageBox.Show(string.Format("You clicked on page {0}", position.PageNumber));
}

VB.NET

Private Sub PdfViewer_MouseDown(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
    Dim position As PdfDocumentPosition = pdfViewer.ConvertPixelToDocumentPosition(e.GetPosition(pdfViewer))
    MessageBox.Show(String.Format("You clicked on page {0}", position.PageNumber))
End Sub