Example





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GdPicture14 Namespace / GdPicturePDF Class / GetPageCount Method

GetPageCount Method (GdPicturePDF)

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Returns the number of pages in the currently loaded PDF document.
Syntax
'Declaration

 


Public Function GetPageCount() As Integer
public int GetPageCount()
public function GetPageCount(): Integer; 
public function GetPageCount() : int;
public: int GetPageCount(); 
public:

int GetPageCount();

Return Value

The number of pages in the PDF document. The 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 GetStat method to identify the specific reason for the method's failure, if any.

Example
How to find out the number of pages in the PDF document. 
Using 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

            MessageBox.Show("This PDF document contains " + count + " pages.", "Example: GetPageCount")

        Else

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

        End If

    Else

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

    End If

End Using
using (GdPicturePDF gdpicturePDF = new GdPicturePDF())

{

    if (gdpicturePDF.LoadFromFile("test.pdf", false) == GdPictureStatus.OK)

    {

        int count = gdpicturePDF.GetPageCount();

        GdPictureStatus status = gdpicturePDF.GetStat();

        if (status == GdPictureStatus.OK)

            MessageBox.Show("This PDF document contains " + count + " pages.", "Example: GetPageCount");

        else

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

    }

    else

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

}
Example
How to find out the number of pages in the PDF document. Using 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 MessageBox.Show("This PDF document contains " + count + " pages.", "Example: GetPageCount") Else MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: GetPageCount") End If Else MessageBox.Show("The file can't be loaded.", "Example: GetPageCount") End If End Using using (GdPicturePDF gdpicturePDF = new GdPicturePDF()) { if (gdpicturePDF.LoadFromFile("test.pdf", false) == GdPictureStatus.OK) { int count = gdpicturePDF.GetPageCount(); GdPictureStatus status = gdpicturePDF.GetStat(); if (status == GdPictureStatus.OK) MessageBox.Show("This PDF document contains " + count + " pages.", "Example: GetPageCount"); else MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), "Example: GetPageCount"); } else MessageBox.Show("The file can't be loaded.", "Example: GetPageCount"); }
See Also

Reference

GdPicturePDF Class
GdPicturePDF Members
GetStat Method
GetStat Method
LoadFromFile Method
LoadFromStream Method
NewPDF Method
GetCurrentPage Method
SelectPage Method