118 lines
4.6 KiB
C++
118 lines
4.6 KiB
C++
/*************************************************************************************************
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* Description: Entry point for a sample application that implements a custom control with a
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* Microsoft Active Accessibility (MSAA) server.
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*
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* The control itself has been kept simple. It does not support scrolling and therefore an arbitrary
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* limit has been set on the number of items it can contain. For convenience, list items are stored
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* in a deque (from the Standard Template Library).
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*
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* The accessible object consists of the root element (a list box) and its children (the list items.)
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*
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*
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*
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* This source code is intended only as a supplement to Microsoft
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* Development Tools and/or on-line documentation. See these other
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* materials for detailed information regarding Microsoft code samples.
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*
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* THIS CODE AND INFORMATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY
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* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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*************************************************************************************************/
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#pragma once
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#include "stdafx.h"
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#include <ole2.h>
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#include "resource.h"
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#include "CustomControl.h"
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#define MAXNAMELENGTH 15
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#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
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INT_PTR CALLBACK DlgProc(HWND, UINT, WPARAM, LPARAM);
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// Entry point.
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int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, LPTSTR /*lpCmdLine*/, int /*nCmdShow*/)
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{
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// Register the window class for the CustomList control.
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RegisterListControl(hInstance);
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// Show the dialog.
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CoInitialize(NULL);
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DialogBox(hInstance, MAKEINTRESOURCE(IDD_MAINDLG), NULL, DlgProc);
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CoUninitialize();
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return 0;
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}
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// Message handler for application dialog.
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INT_PTR CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM /*lParam*/)
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{
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switch (message)
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{
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case WM_INITDIALOG:
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// Limit length of new contact names.
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SendDlgItemMessage(hDlg, IDC_EDIT1, EM_SETLIMITTEXT, MAXNAMELENGTH, 0);
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// Initialize radio buttons.
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SendDlgItemMessage(hDlg, IDC_ONLINE, BM_SETCHECK, 1, 0);
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// Add some sample contacts to the custom control.
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, Status_Online, (LPARAM)L"Frank");
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, Status_Online, (LPARAM)L"Sandra");
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, Status_Offline, (LPARAM)L"Kim");
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, Status_Offline, (LPARAM)L"Prakesh");
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, Status_Online, (LPARAM)L"Silvio");
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break;
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case WM_COMMAND:
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// Exit.
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if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
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{
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EndDialog(hDlg, LOWORD(wParam));
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return TRUE;
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}
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// "Remove" button clicked.
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else if (LOWORD(wParam) == IDC_REMOVE)
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{
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_DELETEITEM, 0, 0);
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}
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// "Add" button clicked.
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else if (LOWORD(wParam) == IDC_ADD)
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{
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WCHAR name[MAXNAMELENGTH+1];
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// EM_GETLINE doesn't get a null terminator, so fill buffer with nulls.
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ZeroMemory(name, sizeof(name));
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// Set buffer size for EM_GETLINE.
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name[0] = sizeof(name);
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// Get the new name from the edit control.
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LRESULT charCount =
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SendDlgItemMessage(hDlg, IDC_EDIT1, EM_GETLINE, 0, (LPARAM)name);
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// Empty string, don't do anything.
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if (charCount == 0)
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{
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break;
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}
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// Get the status
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ContactStatus status;
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if (BST_CHECKED == SendDlgItemMessage(hDlg, IDC_ONLINE, BM_GETCHECK, 0, 0))
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{
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status = Status_Online;
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}
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else
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{
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status = Status_Offline;
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}
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// Send name and status to the list box control.
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SendDlgItemMessage(hDlg, IDC_CUSTOMLISTBOX, CUSTOMLB_ADDITEM, (WPARAM)status, (LPARAM)name);
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// Select and clear the edit text.
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SendDlgItemMessage(hDlg, IDC_EDIT1, EM_SETSEL, 0, MAXNAMELENGTH);
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SendDlgItemMessage(hDlg, IDC_EDIT1, WM_CLEAR, 0, 0);
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}
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break;
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} // switch message
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return FALSE;
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}
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