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The PDFWorkBench is an object which can be created using some functions which can be imported from the WPViewPDF DLL.

 

By a simple call to 'pdfWorkbenchCreate' a new workbech object is created. It will be freed by 'pdfWorkbenchFree'.

Using 'pdfWorkbenchLoad' a PDF file can be loaded or appended.

 

With 'pdfWorkbenchCommand' most commands IDs used by WPViewPDF can be sent to the work bench object.

 

This are the definitions of the functions:

 

fktpdfWorkbenchCreate = function( 

 licname, lickey: PWideChar; liccode: Cardinal ) : Pointer; stdcall;

 

fktpdfWorkbenchFree = function( 

 workbench : Pointer ) :  Integer; stdcall;

 

fktpdfWorkbenchLoad = function( 

 workbench : Pointer; 

     Filename : PWideChar; 

 Append, InMemory : Integer  ) : Integer; stdcall;

 

fktpdfWorkbenchCommand = function( 

 workbench : Pointer; 

 commandid : Integer; 

 intpar : Integer; 

 strpar : PWideChar; 

 ptr : Pointer ) : Integer; stdcall;

 

Under Delphi the function pointer are loaded by WPViewPDF3.pas:

 

wpview_pdfWorkbenchCreate := GetProcAddress(WPViewPDFDLLHandle,'pdfWorkbenchCreate');

wpview_pdfWorkbenchFree := GetProcAddress(WPViewPDFDLLHandle,'pdfWorkbenchFree');

wpview_pdfWorkbenchLoad := GetProcAddress(WPViewPDFDLLHandle,'pdfWorkbenchLoad');

wpview_pdfWorkbenchCommand := GetProcAddress(WPViewPDFDLLHandle,'pdfWorkbenchCommand');