PdfViewer.Select(PdfDocumentPosition, PdfDocumentPosition) Method

Selects the textual content located at the specified position.

Namespace: DevExpress.XtraPdfViewer

Assembly: DevExpress.XtraPdfViewer.v23.2.dll

NuGet Package: DevExpress.Win.PdfViewer

Declaration

C#

public void Select(
    PdfDocumentPosition startPosition,
    PdfDocumentPosition endPosition
)

VB.NET

Public Sub Select(
    startPosition As PdfDocumentPosition,
    endPosition As PdfDocumentPosition
)

Parameters

Name	Type	Description
startPosition	PdfDocumentPosition	A PdfDocumentPosition value, specifying the starting position in the document.
endPosition	PdfDocumentPosition	A PdfDocumentPosition value, specifying the ending position in the document.

Remarks

The overloaded Select method uses the page coordinate system. See the Coordinate Systems topic to learn more.

If the part of the image is located between the specified positions, the method selects nothing.

C#

bool mouseButtonPressed = false;
PdfDocumentPosition startPosition;
PdfDocumentPosition endPosition;

void pdfViewer1_MouseDown(object sender, MouseEventArgs e)
{
    if (e.Button == MouseButtons.Left)
    {
       //Retrieve the cursor's initial position
        startPosition = pdfViewer1.GetDocumentPosition(e.Location);
        endPosition = null;
        mouseButtonPressed = true;
        pdfViewer1.Invalidate();
    }
}

void pdfViewer1_MouseMove(object sender, MouseEventArgs e)
{
    if (mouseButtonPressed)
    {
        //Obtain the cursor's final position
        endPosition = pdfViewer1.GetDocumentPosition(e.Location);
        pdfViewer1.Invalidate();
    }
}


void pdfViewer1_MouseUp(object sender, MouseEventArgs e)
{
    mouseButtonPressed = false;
    if (startPosition == null || endPosition == null)
        return;
    var start = pdfViewer1.GetClientPoint(startPosition);
    var end = pdfViewer1.GetClientPoint(endPosition);

    //Select the content between two positions
    pdfViewer1.Select(startPosition, endPosition);
    PdfSelectionContent content = pdfViewer1.GetSelectionContent();

    //If the selection contains text, copy it to Clipboard
    if (content.ContentType == PdfSelectionContentType.Text)
        pdfViewer1.CopyToClipboard();
    MessageBox.Show("The selection is copied to Clipboard");
}

VB.NET

Private mouseButtonPressed As Boolean = False
Private startPosition As PdfDocumentPosition
Private endPosition As PdfDocumentPosition

Private Sub pdfViewer1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)

    'Retrieve the cursor's initial position
    If e.Button = MouseButtons.Left Then
        startPosition = pdfViewer1.GetDocumentPosition(e.Location)
        endPosition = Nothing
        mouseButtonPressed = True
        pdfViewer1.Invalidate()
    End If
End Sub

Private Sub pdfViewer1_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs)
    If mouseButtonPressed Then

        ' Obtain the cursor's final position
        endPosition = pdfViewer1.GetDocumentPosition(e.Location)
        pdfViewer1.Invalidate()
    End If
End Sub

Private Sub pdfViewer1_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs)
    mouseButtonPressed = False
    If startPosition Is Nothing OrElse endPosition Is Nothing Then Return
    Dim start = pdfViewer1.GetClientPoint(startPosition)
    Dim [end] = pdfViewer1.GetClientPoint(endPosition)

    'Select the content between two positions
    pdfViewer1.[Select](startPosition, endPosition)
    Dim content As PdfSelectionContent = pdfViewer1.GetSelectionContent()

    ' Copy selection to Clipboard
    If content.ContentType = PdfSelectionContentType.Text Then pdfViewer1.CopyToClipboard()
    MessageBox.Show("The selection is copied to Clipboard")
End Sub