GetPageContent Method (GdPicturePDF)

In This Topic

Returns the whole content (in the form of postscript data) of the current page in the loaded PDF document.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function GetPageContent() As String

public string GetPageContent()

public function GetPageContent(): String;

public function GetPageContent() : String;

public: string* GetPageContent();

public:
String^ GetPageContent();

Return Value

The postscript content of the currently selected page. The GdPicturePDF.GetStat method can be subsequently used to determine if this method has been successful.

Remarks

This method is only allowed for use with non-encrypted documents.

It is recommend to use the GdPicturePDF.GetStat method to identify the specific reason for the method's failure, if any.

Example

How to obtain the postscript content of all pages in the PDF document. The content of each page is subsequently saved into a separate file.

VB.NET
C#

Dim gdpicturePDF As New GdPicturePDF()
If gdpicturePDF.LoadFromFile("test.pdf", False) = GdPictureStatus.OK Then
    Dim count As Integer = gdpicturePDF.GetPageCount()
    Dim status As GdPictureStatus = gdpicturePDF.GetStat()
    If status = GdPictureStatus.OK Then
        Dim data As String = "", filename As String = "", message As String = ""
        For i As Integer = 1 To count
            status = gdpicturePDF.SelectPage(i)
            If status = GdPictureStatus.OK Then
                data = gdpicturePDF.GetPageContent()
                status = gdpicturePDF.GetStat()
                If status = GdPictureStatus.OK Then
                    filename = "content_page" + i.ToString() + ".txt"
                    System.IO.File.WriteAllText(filename, data)
                    message = message + "Content of the page nr." + i.ToString() + " has been successfully saved." + vbCrLf
                Else
                    message = message + "The GetPageContent() method has failed for the page nr." + i.ToString() + " with the status: " + status.ToString() + vbCrLf
                End If
            Else
                message = message + "The SelectPage() method has failed for the page nr." + i.ToString() + " with the status: " + status.ToString() + vbCrLf
            End If
        Next
        MessageBox.Show(message, "Example: GetPageContent")
    Else
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: GetPageContent")
    End If
Else
    MessageBox.Show("The file can't be loaded.", "Example: GetPageContent")
End If
gdpicturePDF.Dispose()

GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("test.pdf", false) == GdPictureStatus.OK)
{
    int count = gdpicturePDF.GetPageCount();
    GdPictureStatus status = gdpicturePDF.GetStat();
    if (status == GdPictureStatus.OK)
    {
        string data = "", filename = "", message = "";
        for (int i = 1; i <= count; i++)
        {
            status = gdpicturePDF.SelectPage(i);
            if (status == GdPictureStatus.OK)
            {
                data = gdpicturePDF.GetPageContent();
                status = gdpicturePDF.GetStat();
                if (status == GdPictureStatus.OK)
                {
                    filename = "content_page" + i.ToString() + ".txt";
                    System.IO.File.WriteAllText(filename, data);
                    message = message + "Content of the page nr." + i.ToString() + " has been successfully saved.\n";
                }
                else
                    message = message + "The GetPageContent() method has failed for the page nr." + i.ToString() + " with the status: " + status.ToString() + "\n";
            }
            else
                message = message + "The SelectPage() method has failed for the page nr." + i.ToString() + " with the status: " + status.ToString() + "\n";
        }
        MessageBox.Show(message, "Example: GetPageContent");
    }
    else
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: GetPageContent");
}
else
    MessageBox.Show("The file can't be loaded.", "Example: GetPageContent");
gdpicturePDF.Dispose();

Reference

GdPicturePDF Class
GdPicturePDF Members
GetPageCount Method
SelectPage Method
GetCurrentPage Method
SetPageContent Method
GetPageText Method