LDialogFile::DoModalGetDirectory

#include "ltwrappr.h"

virtual L_INT LDialogFile::DoModalGetDirectory(hWndOwner)

HWND hWndOwner;

handle of the window which owns the dialog

Displays the Get Directory dialog box, and allows the user to browse the file system for a folder or directory.

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

The Get Directory dialog.

Required DLLs and Libraries

LTDLGFILE
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTFIL
LTDIS
LTIMG

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT LDialogFile_DoModalGetDirectoryExample(LBitmap * pBitmap, HWND hWnd) 
{ 
   L_INT nRet; 
   LDialogFile DlgFile; 
   nRet = LDialogFile::Initialize (0); 
   if(nRet != SUCCESS) 
      return nRet; 
   DlgFile.SetBitmap (pBitmap); 
   GETDIRECTORYDLGPARAMS DlgParams; 
   L_TCHAR szDirectory [ L_MAXPATH ]; 
   memset ( &DlgParams, 0, sizeof ( GETDIRECTORYDLGPARAMS ) ) ; 
   lstrcpy ( szDirectory, MAKE_IMAGE_PATH(TEXT(""))) ; 
   DlgParams.uStructSize      = sizeof ( GETDIRECTORYDLGPARAMS ) ; 
   DlgParams.pszDirectory = szDirectory ; 
   DlgParams.nBuffSize    = L_MAXPATH ; 
   DlgParams.pszFilter    = TEXT("ALL\0*.*\0LEAD\0*.cmp\0JPEG\0*.JPG\0") ; 
   DlgParams.nFilterIndex = 1 ; 
   DlgParams.pszTitle     = TEXT("Select a Directory Please"); 
   DlgFile.EnableCallBack (FALSE); 
   DlgFile.EnablePreview(TRUE); 
   DlgFile.EnableAutoProcess (TRUE); 
   DlgFile.EnableToolbar(TRUE); 
   nRet = DlgFile.SetDirectoryParams(&DlgParams) ; 
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = DlgFile.DoModalGetDirectory(hWnd); 
   if(nRet < 1) 
      return nRet; 
   // Gets the updated values for the structure 
   nRet = DlgFile.GetDirectoryParams (&DlgParams, sizeof(DlgParams)) ; 
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = LDialogFile::Free (); 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

Functions:	Class Members, LDialogFile::GetDirectoryParams, LDialogFile::SetDirectoryParams, LBase::EnableCallBack, LDialogBase::EnablePreview, LDialogBase::EnableAutoProcess, LDialogBase::EnableToolbar, LDialogBase::Free, LDialogBase::Initialize
Topics:	Using Imaging Common Dialog