#include "ltwrappr.h"

virtual L_INT LDialogFile::DoModalPrintPreview (hWndOwner)

Displays the print preview dialog box for printing a single image.


HWND hWndOwner

Handle of the window which owns the dialog.


Value Meaning
SUCCESS_DLG_OK The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL The "Cancel" button was pressed, and the dialog exited successfully.
< 1 An error occurred. Refer to Return Codes.


LDialogFile::SetPrintPreviewParams must be called before using this function to set the initial values for the dialog. You can get the updated PRINTPREVIEWDLGPARAMS with the values entered by the user through the dialog by using LDialogFile::GetPrintPreviewParams.

The Print Preview dialog for printing a single image.
Required DLLs and Libraries

See Also




L_INT LDialogFile_DoModalPrintPreviewExample(HWND hWnd, LBitmap* pBitmap, LPDLGBITMAPLIST pList)  
   L_INT nRet = 0;  
   LDialogFile DlgFile;  
   DlgFile.SetBitmap (pBitmap);  
   nRet = LDialogFile::Initialize (0);  
   if(nRet != SUCCESS) 
      return nRet; 
   memset ( &DlgParams, 0, sizeof ( PRINTPREVIEWDLGPARAMS ) ) ;  
   DlgParams.uStructSize = sizeof ( PRINTPREVIEWDLGPARAMS ) ;  
   DlgParams.nCmdShow    = SW_SHOW ;  
   DlgFile.EnableCallBack (FALSE);  
   nRet = DlgFile.SetPrintPreviewParams (&DlgParams) ;  
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = DlgFile.DoModalPrintPreview(hWnd);  
   if(nRet < 1) 
      return nRet; 
   // Gets the updated values for the structure 
   nRet = DlgFile.GetPrintPreviewParams(&DlgParams, sizeof(DlgParams)) ;  
   if(nRet != SUCCESS) 
      return nRet; 
   if ( DlgParams.hDevMode )  
      GlobalFree ( DlgParams.hDevMode ) ;  
   if ( DlgParams.hDevNames )  
      GlobalFree ( DlgParams.hDevNames ) ;  
   nRet = LDialogFile::Free (); 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
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LEADTOOLS Common Dialog C++ Class Library Help