Displays the print preview dialog box for printing a single image.
#include "ltwrappr.h"
virtual L_INT LDialogFile::DoModalPrintPreview (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.
L_INT LDialogFile_DoModalPrintPreviewExample(HWND hWnd, LBitmap* pBitmap, LPDLGBITMAPLIST pList)
{
UNREFERENCED_PARAMETER(pList);
L_INT nRet = 0;
LDialogFile DlgFile;
DlgFile.SetBitmap (pBitmap);
nRet = LDialogFile::Initialize (0);
if(nRet != SUCCESS)
return nRet;
PRINTPREVIEWDLGPARAMS DlgParams;
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;
}