Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
#include "ltwrappr.h"
virtual L_INT LDialogFile::DoModalOpen(hWndOwner)
HWND hWndOwner; |
/* handle of the window which owns the dialog */ |
Displays the Open dialog box, and gets the options for LFile::Load.
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::SetOpenParams must be called before using this function to set the initial values for the dialog. You can get the updated OPENDLGPARAMS with the values entered by the user through the dialog by using LDialogFile::GetOpenParams.
Note: The formats listed below are only supported in 32-bit platforms:
Canon RAW Format (*.crw)
DJVU (*.djv)
Kodak Digital Camera KDC (*.kdc)
Kodak Photo CD (*.pcd)
Mr SID (*.sid)
MS FAX (*.awd)
Profession Digital Camera (*.dcr)
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
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName class MyFileDlg : public LDialogFile { public: L_INT DialogOpenCallBack(LPOPENDLGFILEDATA lpFileData, L_INT nTotalPercent, L_INT nFilePercent); }; L_INT MyFileDlg::DialogOpenCallBack(LPOPENDLGFILEDATA lpFileData, L_INT nTotalPercent, L_INT nFilePercent) { if ( nFilePercent == 100 ) { MessageBox ( NULL, lpFileData->szFileName, TEXT("File Loaded"), MB_OK ) ; } if ( nTotalPercent == 100 ) { MessageBox ( NULL, TEXT("File(s) Loading Completed"), TEXT("File(s) Loaded"), MB_OK ) ; } return SUCCESS ; } L_INT LDialogFile_DoModalOpenExample(LBitmap * pBitmap, HWND hWnd) { L_INT nRet = 0; MyFileDlg DlgFile; DlgFile.SetBitmap (pBitmap); nRet = MyFileDlg::Initialize (0); if(nRet != SUCCESS) return nRet; OPENFILENAME OpenFileName; OPENDLGPARAMS DlgParams ; memset ( &OpenFileName, 0, sizeof ( OPENFILENAME ) ) ; memset ( &DlgParams, 0, sizeof ( OPENDLGPARAMS ) ) ; OpenFileName.lStructSize = sizeof(OPENFILENAME); OpenFileName.lpstrInitialDir = NULL; OpenFileName.Flags = OFN_EXPLORER | OFN_ALLOWMULTISELECT ; DlgParams.uStructSize = sizeof ( OPENDLGPARAMS ) ; DlgParams.bPreviewEnabled = TRUE; DlgParams.uDlgFlags = DLG_OPEN_SHOW_PROGRESSIVE | DLG_OPEN_SHOW_MULTIPAGE | DLG_OPEN_SHOW_LOADROTATED | DLG_OPEN_SHOW_LOADCOMPRESSED | DLG_OPEN_SHOW_FILEINFO | DLG_OPEN_SHOW_PREVIEW | DLG_OPEN_SHOW_DELPAGE | DLG_OPEN_SHOW_LOADOPTIONS | DLG_OPEN_VIEWTOTALPAGES | DLG_OPEN_GENERATETHUMBNAIL ; DlgFile.EnableCallBack (TRUE); DlgFile.EnableAutoProcess (TRUE); nRet = DlgFile.SetOpenParams (&DlgParams) ; if(nRet != SUCCESS) return nRet; nRet = DlgFile.SetFileName (MAKE_IMAGE_PATH(TEXT("image1.cmp"))); if(nRet != SUCCESS) return nRet; nRet = DlgFile.DoModalOpen(hWnd); if(nRet < 1) return nRet; // Gets the updated values for the structure nRet = DlgFile.GetOpenParams (&DlgParams, sizeof(DlgParams)) ; if(nRet != SUCCESS) return nRet; //Get new values... L_TCHAR szFile[260]; UINT uSize = sizeof(szFile); DlgFile.GetFileName (szFile, uSize); nRet = MyFileDlg::Free (); if(nRet != SUCCESS) return nRet; return SUCCESS; }