LDialogFile::DoModalPrintPreview
#include "ltwrappr.h"
virtual L_INT LDialogFile::DoModalPrintPreview (hWndOwner)
HWND hWndOwner; |
/* handle of the window which owns the dialog */ |
Displays the print preview dialog box for printing a single image.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
Returns
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. |
Comments
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 is shown in the following figure:
Required DLLs and Libraries
LTDLGFILE For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
See Also
Example
L_VOID DoPrintPreview
(
HWND hWnd,
LBitmap* pBitmap,
LPDLGBITMAPLIST pList
)
{
L_INT nRet = 0;
LDialogFile DlgFile;
DlgFile.SetBitmap (pBitmap);
LDialogFile::Initialize (0);
PRINTPREVIEWDLGPARAMS DlgParams;
memset ( &DlgParams, 0, sizeof ( PRINTPREVIEWDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( PRINTPREVIEWDLGPARAMS ) ;
DlgParams.nCmdShow = SW_SHOW ;
DlgFile.EnableCallBack(FALSE);
DlgFile.SetPrintPreviewParams (&DlgParams) ;
nRet = DlgFile.DoModalPrintPreview(hWnd);
// Gets the updated values for the structure
DlgFile.GetPrintPreviewParams(&DlgParams, sizeof(DlgParams)) ;
if ( DlgParams.hDevMode )
{
GlobalFree ( DlgParams.hDevMode ) ;
}
if ( DlgParams.hDevNames )
{
GlobalFree ( DlgParams.hDevNames ) ;
}
LDialogFile::Free ();
}