GetPageText() Method

In This Topic

Returns the whole text of the current page of the text-based document displayed in the GdViewer control. If the format of the displayed document is other than supported text-based formats, which currently are DOCX, TXT, RTF and PDF, this method returns an empty string.

Syntax

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

'Declaration
 
Public Overloads Function GetPageText() As String

public string GetPageText()

public function GetPageText(): String;

public function GetPageText() : String;

public: string* GetPageText();

public:
String^ GetPageText();

Return Value

The whole text of the currently displayed page as a string, if the format of the displayed document is text-based. Otherwise, it returns an empty string. The GetStat method can be subsequently used to determine if this method has been successful.

Remarks

This method is only useful for text-based document formats, like DOCX, TXT, RTF and PDF, otherwise it returns an empty string.

Example

How to get the text of the current page of the displayed document.

VB.NET
C#

'We assume that the GdViewer1 control has been properly integrated.
If GdViewer1.DisplayFromFile("") = GdPictureStatus.OK Then
    Dim page_text As String = GdViewer1.GetPageText()
    If GdViewer1.GetStat() = GdPictureStatus.OK Then
        If String.IsNullOrEmpty(page_text) Then
            MessageBox.Show("The current page does not contain text.", "GdViewer.GetPageText")
        Else
            'Do your stuff with the page_text.
        End If
    Else
        MessageBox.Show("The GetPageText() method has failed. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.GetPageText")
    End If
Else
    MessageBox.Show("The file can't be displayed. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.GetPageText")
End If

//We assume that the GdViewer1 control has been properly integrated.
if (GdViewer1.DisplayFromFile("") == GdPictureStatus.OK)
{
    string page_text = GdViewer1.GetPageText();
    if (GdViewer1.GetStat() == GdPictureStatus.OK)
    {
        if (String.IsNullOrEmpty(page_text))
            MessageBox.Show("The current page does not contain text.", "GdViewer.GetPageText");
        //else
            //Do your stuff with the page_text.
    }
    else
        MessageBox.Show("The GetPageText() method has failed. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.GetPageText");
}
else
    MessageBox.Show("The file can't be displayed. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.GetPageText");

Reference

GdViewer Class
GdViewer Members
Overload List
GetPageTextArea(Single,Single,Single,Single) Method
SearchText(String,Int32,Boolean) Method