430 lines
13 KiB
C++
Executable File
430 lines
13 KiB
C++
Executable File
//
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// LISTPM.CPP
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//
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// Source file for ArchiveLib 2.0
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//
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// Copyright (c) Greenleaf Software, Inc. 1994-1996
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// All Rights Reserved
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//
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// CONTENTS
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//
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// ALEntryList::SetMarksFromListBox()
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// ALEntryListSetMarksFromListBox()
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// ALEntryList::FillListBox()
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// ALEntryListFillListBox()
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// ALEntryList::MakeEntriesFromListBox()
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// ALEntryListMakeEntriesFromListBox()
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//
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// DESCRIPTION
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//
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// This file contains the ALEntryList functions that interact with OS/2
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// list boxes.
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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#include "arclib.h"
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#if !defined( AL_IBM )
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#pragma hdrstop
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#endif
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//
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// NAME
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//
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// ALEntryList::SetMarksFromListBox()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// PM
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// C++ C
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//
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// SHORT DESCRIPTION
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//
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// Set marks in an ALEntryList based on selections in a list box.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryList::SetMarksFromListBox( HWND hDlg,
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// int list_box_id = -1 );
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//
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// C SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryListSetMarksFromListBox( hALEntryList this_object,
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// HWND hDlg,
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// int list_box_id );
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//
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// VB SYNOPSIS
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//
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// None, VB and OS/2 don't mix.
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//
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// DELPHI SYNOPSIS
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//
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// None, Delphi and OS/2 don't work.
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//
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// ARGUMENTS
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//
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// this_object : A reference or pointer to the ALEntryList object that
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// is have some marks set. Note that the C++ member function
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// version of this call doesn't have an explicit argument
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// here, since it has access to 'this' implicitly.
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//
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// hDlg : This argument is a window handle. If the next parameter,
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// list_box_id, is set to -1, it means this is the handle of
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// the list box. If list_box_id is not -1, it means this
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// argument is the window handle of a dialog box that
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// contains the list box.
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//
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// list_box_id : The id of the list box. If set to -1, it means the list
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// box is not in a dialog box, and the hDlg parameter is the
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// actual handle of the list box.
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//
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// DESCRIPTION
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//
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// This function is called after you have given a user the opportunity
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// to set and clear items in a multiselection list box. Once the user
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// has done so, you can call this function, which will go through the
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// list and set all the marks that have been set in the list box by the
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// user. Note that it will not clear the marks on any of the ALEntry
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// objects in the list, you might want to do that first.
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//
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// RETURNS
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//
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// A count of the items that have had their marks set.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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//
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int AL_PROTO
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ALEntryList::SetMarksFromListBox( HWND hDlg, /* Tag public function */
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int list_box_id /* = -1 */ )
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{
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int mresReply = LIT_NONE;
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int oldmresReply = LIT_NONE;
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HWND window;
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char name[ 256 ];
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int count = 0;
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if ( list_box_id == -1 )
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window = hDlg;
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else
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window = WinWindowFromID( hDlg, list_box_id );
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mresReply = (int) WinSendMsg( window,
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LM_QUERYSELECTION,
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MPFROMSHORT( mresReply ),
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0 );
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oldmresReply = mresReply;
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if ( mresReply != LIT_NONE ) {
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do {
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int l = (int) WinSendMsg( window,
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LM_QUERYITEMTEXTLENGTH,
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MPFROMSHORT( (SHORT) mresReply),
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0 );
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if ( l > 255 )
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l = 255;
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WinQueryLboxItemText( window,
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mresReply,
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name,
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l );
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name[ l ] = '\0';
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count += SetMarks( name );
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mresReply = (int) WinSendMsg( window,
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LM_QUERYSELECTION,
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MPFROMSHORT( (SHORT) mresReply ),
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0 );
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if( mresReply == oldmresReply )
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break;
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} while( mresReply != LIT_NONE );
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}
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return count;
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}
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#if !defined( AL_NO_C )
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extern "C" AL_LINKAGE int AL_FUNCTION
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ALEntryListSetMarksFromListBox( hALEntryList this_object, /* Tag public function */
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HWND hDlg,
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int list_box_id )
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{
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AL_ASSERT_OBJECT( this_object, ALEntryList, "ALEntryListSetMarksFromListBox" );
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return ( (ALEntryList *) this_object)->SetMarksFromListBox( hDlg, list_box_id );
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}
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#endif
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//
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// NAME
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//
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// ALEntryList::FillListBox()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// PM
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// C++ C
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//
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// SHORT DESCRIPTION
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//
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// Fill a list box with the object names from an ALEntryList.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryList::FillListBox( HWND hDlg,
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// int list_box_id = -1 );
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//
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// C SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryListFillListBox( hALEntryList this_object,
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// HWND hDlg,
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// int list_box_id )
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//
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// VB SYNOPSIS
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//
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// None, VB won't run under OS/2.
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//
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// DELPHI SYNOPSIS
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//
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// None, Delphi won't run under OS/2.
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//
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// ARGUMENTS
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//
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// this_object : A reference or pointer to the ALEntryList object that
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// is going to supply all the entry names that are going
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// to be displayed in the list box.
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//
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// hDlg : This argument is a window handle. If the next parameter,
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// list_box_id, is set to -1, it means this is the handle of
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// the list box. If list_box_id is not -1, it means this
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// argument is the window handle of a dialog box that
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// contains the list box.
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//
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// list_box_id : The id of the list box. If set to -1, it means the list
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// box is not in a dialog box, and the hDlg parameter is the
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// actual handle of the list box.
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//
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// DESCRIPTION
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//
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// This function is a handy helper when writing PM applications. It goes
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// through an ALEntryList, and finds all the marked entries. For every
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// marked entry, it stuffs the name of the storage object into the list box.
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// This means that if you are planning on letting the user select a list
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// of storage objects, you can initialize the list with just one
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// function call.
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//
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// RETURNS
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//
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// The number of entries that were stuffed in the list box.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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//
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int AL_PROTO
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ALEntryList::FillListBox( HWND hDlg, /* Tag public function */
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int list_box_id /* = -1 */ )
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{
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HWND hwnd;
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if ( list_box_id != -1 )
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hwnd = WinWindowFromID( hDlg, list_box_id );
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else
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hwnd = hDlg;
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WinSendMsg( hwnd,
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LM_DELETEALL,
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0,
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0 );
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ALEntry *job = GetFirstEntry();
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int count = 0;
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while ( job ) {
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if ( job->GetMark() ) {
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count++;
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WinSendMsg( hwnd,
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LM_INSERTITEM,
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MPFROMSHORT( LIT_END ),
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MPFROMP( (PSZ) job->mpStorageObject->mName ) );
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}
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job = job->GetNextEntry();
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}
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if( count == 0 )
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WinSendMsg( hwnd,
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LM_INSERTITEM,
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MPFROMSHORT( LIT_END ),
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MPFROMP( (PSZ) "<none>" ) );
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return count;
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}
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#if !defined( AL_NO_C )
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extern "C" AL_LINKAGE int AL_FUNCTION
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ALEntryListFillListBox( hALEntryList this_object,
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HWND hDlg,
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int list_box_id )
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{
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AL_ASSERT_OBJECT( this_object, ALEntryList, "ALEntryListFillListBox" );
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return ( (ALEntryList *) this_object )->FillListBox( hDlg, list_box_id );
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}
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#endif
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//
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// NAME
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//
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// ALEntryList::MakeEntriesFromListBox()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// PM
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// C++ C
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//
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// SHORT DESCRIPTION
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//
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// Create new entries in a list based on selected items in a list box.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryList::MakeEntriesFromListBox( HWND hDlg,
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// int list_box = -1 );
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//
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// C SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryListMakeEntriesFromListBox( hALEntryList this_object,
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// HWND hDlg,
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// int list_box_id );
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//
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// VB SYNOPSIS
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//
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// None, VB and PM don't mix.
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//
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// DELPHI SYNOPSIS
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//
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// None.
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//
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// ARGUMENTS
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//
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// this_object : A reference or pointer to the ALEntryList object that
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// is going to have new entries added. Note that the C++
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// member function version of this call doesn't have an
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// an explicit argument here, since it has access to 'this'
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// implicitly.
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//
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// hDlg : This argument is a window handle. If the next parameter,
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// list_box_id, is set to -1, it means this is the handle of
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// the list box. If list_box_id is not -1, it means this
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// argument is the window handle of a dialog box that
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// contains the list box.
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//
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// list_box_id : The id of the list box. If set to -1, it means the list
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// box is not in a dialog box, and the hDlg parameter is the
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// actual handle of the list box.
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//
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// DESCRIPTION
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//
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// This function goes through a list box, and picks out all the
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// highlighted entries. It creates a new ALEntry object for each
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// of the marked entires, using the storage objects and engines that
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// are present in the toolkit owned by this ALEntryList.
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//
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// RETURNS
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//
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// The number of new entries created from the list box.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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//
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int AL_PROTO
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ALEntryList::MakeEntriesFromListBox( HWND hDlg, /* Tag public function */
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int list_box_id /* = -1 */ )
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{
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int mresReply = LIT_NONE;
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int oldmresReply = LIT_NONE;
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char name[ 256 ];
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HWND hwnd;
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int count = 0;
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if ( list_box_id != -1 )
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hwnd = WinWindowFromID( hDlg, list_box_id );
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else
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hwnd = hDlg;
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mresReply = (int) WinSendMsg( hwnd,
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LM_QUERYSELECTION,
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MPFROMSHORT( (SHORT) mresReply ),
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0 );
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oldmresReply = mresReply;
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if ( mresReply != LIT_NONE ) {
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do {
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int l = (int) WinSendMsg( hwnd,
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LM_QUERYITEMTEXTLENGTH,
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MPFROMSHORT( (SHORT) mresReply),
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0 );
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if ( l > 255 )
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l = 255;
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WinQueryLboxItemText( hwnd,
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mresReply,
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name,
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l );
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name[ l ]='\0';
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new ALEntry( *this,
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mToolKit.CreateStorageObject( name, AL_STORAGE_DEFAULT ),
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mToolKit.CreateCompressor( AL_COMPRESSION_DEFAULT ),
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mToolKit.CreateDecompressor( AL_COMPRESSION_DEFAULT ) );
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count++;
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WinSendMsg( hwnd,
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LM_SELECTITEM,
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MPFROMSHORT( mresReply ),
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MPFROMSHORT( 0 ) );
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mresReply = (int) WinSendMsg( hwnd,
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LM_QUERYSELECTION,
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MPFROMSHORT( (SHORT) mresReply ),
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0 );
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if ( mresReply == oldmresReply )
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break;
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} while ( mresReply != LIT_NONE );
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}
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return count;
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}
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#if !defined( AL_NO_C )
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extern "C" AL_LINKAGE int AL_FUNCTION
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ALEntryListMakeEntriesFromListBox( hALEntryList this_object, /* Tag public function */
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HWND hDlg,
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int list_box_id )
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{
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AL_ASSERT_OBJECT( this_object, ALEntryList, "ALEntryListMakeEntriesFromListBox" );
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return ( (ALEntryList *) this_object )->MakeEntriesFromListBox( hDlg, list_box_id );
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}
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#endif
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