DeletePage Method (GdPicturePDF) - GdPicture.NET API Reference

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

'Declaration
 
Public Function DeletePage( _
   ByVal PageNo As Integer _
) As GdPictureStatus

public GdPictureStatus DeletePage( 
   int PageNo
)

public function DeletePage( 
    PageNo: Integer
): GdPictureStatus;

public function DeletePage( 
   PageNo : int
) : GdPictureStatus;

public: GdPictureStatus DeletePage( 
   int PageNo
)

public:
GdPictureStatus DeletePage( 
   int PageNo
)

Parameters

PageNo: The page number of a page you want to delete. It must be a value from 1 to GetPageCount.

Return Value

A member of the GdPictureStatus enumeration. If the method has been successfully followed, then the return value is GdPictureStatus.OK.

We strongly recommend always checking this status first.

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

This method requires the Document Editor component to run.

How to delete the first page of your document. The page has been previously cloned.

VB.NET
C#

Dim caption As String = "Example: DeletePage"
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
        If count > 0 Then
            status = gdpicturePDF.ClonePage(1)
            If status = GdPictureStatus.OK Then
                status = gdpicturePDF.DeletePage(1)
                If status = GdPictureStatus.OK Then
                    If gdpicturePDF.SaveToFile("test_DeletePage.pdf") = GdPictureStatus.OK Then
                        MessageBox.Show("The page has been deleted successfully and the file has been saved.", caption)
                    Else
                        MessageBox.Show("The page has been deleted successfully, but the file can't be saved.", caption)
                    End If
                Else
                    MessageBox.Show("The DeletePage() method has failed with the status: " + status.ToString(), caption)
                End If
            Else
                MessageBox.Show("The ClonePage() method has failed with the status: " + status.ToString(), caption)
            End If
        End If
    Else
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption)
    End If
Else
    MessageBox.Show("The file can't be loaded.", caption)
End If
gdpicturePDF.Dispose()

string caption = "Example: DeletePage";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("test.pdf", false) == GdPictureStatus.OK)
{
    int count = gdpicturePDF.GetPageCount();
    GdPictureStatus status = gdpicturePDF.GetStat();
    if (status == GdPictureStatus.OK)
    {
        if (count > 0)
        {
            status = gdpicturePDF.ClonePage(1);
            if (status == GdPictureStatus.OK)
            {
                status = gdpicturePDF.DeletePage(1);
                if (status == GdPictureStatus.OK)
                {
                    if (gdpicturePDF.SaveToFile("test_DeletePage.pdf") == GdPictureStatus.OK)
                        MessageBox.Show("The page has been deleted successfully and the file has been saved.", caption);
                    else
                        MessageBox.Show("The page has been deleted successfully, but the file can't be saved.", caption);
                }
                else
                    MessageBox.Show("The DeletePage() method has failed with the status: " + status.ToString(), caption);
            }
            else
                MessageBox.Show("The ClonePage() method has failed with the status: " + status.ToString(), caption);
        }
    }
    else
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption);
}
else
    MessageBox.Show("The file can't be loaded.", caption);
gdpicturePDF.Dispose();

Reference

GdPicturePDF Class
GdPicturePDF Members
GetPageCount Method
GetCurrentPage Method
SelectPage Method
ClonePage(Int32) Method