GdPicture.NET.14.API~GdPicture14.GdPicturePDF~BeforePageOcr_EV

public event GdPicturePDF.BeforePageOcrEventHandler BeforePageOcr

public event BeforePageOcr: GdPicturePDF.BeforePageOcrEventHandler;

In JScript, you can handle the events defined by another class, but you cannot define your own.

public: __event GdPicturePDF.BeforePageOcrEventHandler* BeforePageOcr

public:
event GdPicturePDF.BeforePageOcrEventHandler^ BeforePageOcr

'Declaration
 
Public Event BeforePageOcr As GdPicturePDF.BeforePageOcrEventHandler

The event is always triggered within the caller thread of the GdPicturePDF.OcrPages method.

The PDF to PDF-OCR sample included in the PDF examples section within the GdPicture.NET Reference Guide demonstrates the usage of this event.

VB.NET
C#

'Add the event.
WithEvents gdpicturePDF As GdPicture14.GdPicturePDF
gdpicturePDF = New GdPicturePDF()
AddHandler gdpicturePDF.BeforePageOcr, AddressOf BeforePageOcr
            
'Define the event.
Sub BeforePageOcr(ByVal PageNo As Integer, ByRef Cancel As Boolean) Handles gdpicturePDF.BeforePageOcr
    'Do your stuff here.
End Sub

//Add the event.
GdPicturePDF gdpicturePDF = new GdPicturePDF();
gdpicturePDF.BeforePageOcr += BeforePageOcr;
            
//Define the event.
void BeforePageOcr(int PageNo, ref bool Cancel)
{
    //Do your stuff here.
}

Reference

GdPicturePDF Class
GdPicturePDF Members
OcrPage Method
OcrPages Method
GdPicturePDF.BeforePageOcrEventHandler Delegate