Example





In This Topic
GdPicture14 Namespace / GdPicturePDF Class / DeletePagePieceInfo Method

DeletePagePieceInfo Method (GdPicturePDF)

In This Topic
Deletes a page PieceInfo dictionary used to hold private application data, if any is defined for the currently selected page of the loaded PDF document.
Syntax
'Declaration

 


Public Function DeletePagePieceInfo() As GdPictureStatus
public GdPictureStatus DeletePagePieceInfo()
public function DeletePagePieceInfo(): GdPictureStatus; 
public function DeletePagePieceInfo() : GdPictureStatus;
public: GdPictureStatus DeletePagePieceInfo(); 
public:

GdPictureStatus DeletePagePieceInfo();

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.

Remarks
This method is only allowed for use with non-encrypted documents.
Example
How to delete PieceInfo from each page of your document. 
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 message As String = ""

        For i As Integer = 1 To count

            status = gdpicturePDF.SelectPage(i)

            If status = GdPictureStatus.OK Then

                status = gdpicturePDF.DeletePagePieceInfo()

                If status = GdPictureStatus.OK Then

                    message = message + "The PieceInfo for the page nr." + i.ToString() + " has been successfully deleted." + vbCrLf

                Else

                    message = message + "The DeletePagePieceInfo() 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

        If gdpicturePDF.SaveToFile("test_DeletePagePieceInfo.pdf") = GdPictureStatus.OK Then

            message = message + "The file has been saved."

        Else

            message = message + "The file can't be saved."

        End If

        MessageBox.Show(message, "Example: DeletePagePieceInfo")

    Else

        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: DeletePagePieceInfo")

    End If

Else

    MessageBox.Show("The file can't be loaded.", "Example: DeletePagePieceInfo")

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 message = "";

        for (int i = 1; i <= count; i++)

        {

            status = gdpicturePDF.SelectPage(i);

            if (status == GdPictureStatus.OK)

            {

                status = gdpicturePDF.DeletePagePieceInfo();

                if (status == GdPictureStatus.OK)

                    message = message + "The PieceInfo for the page nr." + i.ToString() + " has been successfully deleted.\n";

                else

                    message = message + "The DeletePagePieceInfo() 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";

        }

        if (gdpicturePDF.SaveToFile("test_DeletePagePieceInfo.pdf") == GdPictureStatus.OK)

            message = message + "The file has been saved.";

        else

            message = message + "The file can't be saved.";

        MessageBox.Show(message, "Example: DeletePagePieceInfo");

    }

    else

        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: DeletePagePieceInfo");

}

else

    MessageBox.Show("The file can't be loaded.", "Example: DeletePagePieceInfo");

gdpicturePDF.Dispose();
Example
How to delete PieceInfo from each page of your document. 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 message As String = "" For i As Integer = 1 To count status = gdpicturePDF.SelectPage(i) If status = GdPictureStatus.OK Then status = gdpicturePDF.DeletePagePieceInfo() If status = GdPictureStatus.OK Then message = message + "The PieceInfo for the page nr." + i.ToString() + " has been successfully deleted." + vbCrLf Else message = message + "The DeletePagePieceInfo() 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 If gdpicturePDF.SaveToFile("test_DeletePagePieceInfo.pdf") = GdPictureStatus.OK Then message = message + "The file has been saved." Else message = message + "The file can't be saved." End If MessageBox.Show(message, "Example: DeletePagePieceInfo") Else MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: DeletePagePieceInfo") End If Else MessageBox.Show("The file can't be loaded.", "Example: DeletePagePieceInfo") 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 message = ""; for (int i = 1; i <= count; i++) { status = gdpicturePDF.SelectPage(i); if (status == GdPictureStatus.OK) { status = gdpicturePDF.DeletePagePieceInfo(); if (status == GdPictureStatus.OK) message = message + "The PieceInfo for the page nr." + i.ToString() + " has been successfully deleted.\n"; else message = message + "The DeletePagePieceInfo() 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"; } if (gdpicturePDF.SaveToFile("test_DeletePagePieceInfo.pdf") == GdPictureStatus.OK) message = message + "The file has been saved."; else message = message + "The file can't be saved."; MessageBox.Show(message, "Example: DeletePagePieceInfo"); } else MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: DeletePagePieceInfo"); } else MessageBox.Show("The file can't be loaded.", "Example: DeletePagePieceInfo"); gdpicturePDF.Dispose();
See Also

Reference

GdPicturePDF Class
GdPicturePDF Members
GetPageCount Method
SelectPage Method
GetCurrentPage Method