Tutorial - PDF Viewer

This program creates an instance of gtPDFViewerX and using their properties can set viewing mode, can navigate through the document and print the viewing pages.

See also 'Tutorial - PDF OutlineViewer'

[VB]

' To open file with name "InputFile"

Private Sub btnOpen_Click()

       PDFDoc.LoadFromFile ("InputFile")

       PDFViewer.PDFDocument = PDFDoc

       PDFViewer.Active = True

End Sub

' Show the first page

Private Sub btnFirst_Click()

   If PDFViewer.Active Then

       Call PDFViewer.First

   End If

End Sub

' Show the last page

Private Sub btnLast_Click()

   If PDFViewer.Active Then

       Call PDFViewer.Last

   End If

End Sub

' Show the next page

Private Sub btnNext_Click()

   If PDFViewer.Active Then

       Call PDFViewer.Next

   End If

End Sub

' Show the Previous page

Private Sub btnPrev_Click()

   If PDFViewer.Active Then

       Call PDFViewer.Prior

   End If

End Sub

' To print the document

Private Sub btnPrint_Click()

   If PDFViewer.Active Then

       Call PDFViewer.PrintDoc

   End If

End Sub

'Zoom In the page being viewed by 25%

Private Sub btnZoomin_Click()

   If PDFViewer.Active Then

       PDFViewer.Zoom = PDFViewer.Zoom + 25

   End If

End Sub

'Zoom Out the page being viewed by 25%

Private Sub btnZoomOut_Click()

   If PDFViewer.Active Then

       PDFViewer.Zoom = PDFViewer.Zoom - 25

   End If

End Sub

' Activate the License

Private Sub Form_Load()

   PDFViewer.ActivateLicense ("LicKey")  

End Sub

[VC++]

// To Open file With name "InputFile"

void CViewerDemoDlg::OnOpen()

{

       PDFDoc.LoadFromFile("InputFile");

       LPUNKNOWN pUnKnown = PDFDoc.GetControlUnknown();

       PDFViewer.SetPDFDocument((LPDISPATCH)pUnKnown);

       // When Property Active is Set To True the page is displayed In the Viewer.

       PDFViewer.SetActive(TRUE);

}

// Show the First page

void CViewerDemoDlg::OnFirst()

{

       If(PDFViewer.GetActive())

               PDFViewer.First();

}

// Show the Previous page

void CViewerDemoDlg::OnPrev()

{

       If(PDFViewer.GetActive())

               PDFViewer.Prior();

}

// Show the Next page

void CViewerDemoDlg::OnNext()

{

       If(PDFViewer.GetActive())

               PDFViewer.Next();

}

// Show the Last page

void CViewerDemoDlg::OnLast()

{

       If(PDFViewer.GetActive())

               PDFViewer.Last();

}

//Zoom In the page being viewed by 25%

void CViewerDemoDlg::OnZoomIn()

{

       If(PDFViewer.GetActive())

               PDFViewer.SetZoom(PDFViewer.GetZoom()+25);

}

//Zoom Out the page being viewed by 25%

void CViewerDemoDlg::OnZoomOut()

{

       If(PDFViewer.GetActive())

               PDFViewer.SetZoom(PDFViewer.GetZoom()-25);

}

//To the document

void CViewerDemoDlg::OnPrint()

{

       If(PDFViewer.GetActive())

               PDFViewer.PrintDoc();

}

void CViewerDemoDlg::OnShowWindow(BOOL bShow, UINT nStatus)

{

       CDialog::OnShowWindow(bShow, nStatus);

       // Activating the License

       PDFViewer.ActivateLicense(LicKey);

}

[CS]

// To Open file With name "InputFile"

Private void btnOpen_Click(Object sender, System.EventArgs e)

{

       PDFDoc.LoadFromFile("InputFile");

       PDFViewer.PDFDocument = (PDFtoolkitX.gtPDFDocumentX) PDFDoc.GetOcx();

       PDFViewer.Active = true;

}

// Show the Next page

Private void btnNext_Click(Object sender, System.EventArgs e)

{

PDFViewer.Next();

}

// Show the Previous page

Private void btnPrev_Click(Object sender, System.EventArgs e)

{

PDFViewer.Prior();

}

// To Print the Document

Private void btnPrint_Click(Object sender, System.EventArgs e)

{

PDFViewer.PrintDoc();

}

// Show the First page

Private void btnFirst_Click(Object sender, System.EventArgs e)

{

PDFViewer.First();

}

// Show the Last page

Private void btnLast_Click(Object sender, System.EventArgs e)

{

PDFViewer.Last();

}

//Zoom In  the page being viewed by 25%

Private void btnZoomIn_Click(Object sender, System.EventArgs e)

{

PDFViewer.Zoom = PDFViewer.Zoom + 25;

}

//Zoom Out the page being viewed by 25%

Private void btnZoomOut_Click(Object sender, System.EventArgs e)

{

PDFViewer.Zoom = PDFViewer.Zoom - 25;

}