115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
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/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corporation, 1997 - 1999 **/
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/**********************************************************************/
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/*
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MdlsDlg.cpp
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The class to handle modelss dialog in the snapin
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FILE HISTORY:
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*/
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#include "stdafx.h"
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#include "modeless.h"
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#include "MdlsDlg.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CModelessDlg dialog
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CModelessDlg::CModelessDlg()
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: CBaseDialog()
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{
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//{{AFX_DATA_INIT(CModelessDlg)
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// NOTE: the ClassWizard will add member initialization here
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//}}AFX_DATA_INIT
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m_hEventThreadKilled = ::CreateEvent(NULL, FALSE, FALSE, NULL);
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Assert(m_hEventThreadKilled);
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}
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CModelessDlg::~CModelessDlg()
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{
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if (m_hEventThreadKilled)
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::CloseHandle(m_hEventThreadKilled);
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m_hEventThreadKilled = 0;
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}
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void CModelessDlg::DoDataExchange(CDataExchange* pDX)
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{
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CBaseDialog::DoDataExchange(pDX);
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//{{AFX_DATA_MAP(CModelessDlg)
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//}}AFX_DATA_MAP
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}
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BEGIN_MESSAGE_MAP(CModelessDlg, CBaseDialog)
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//{{AFX_MSG_MAP(CModelessDlg)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CModelessDlg message handlers
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void CModelessDlg::OnOK()
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{
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DestroyWindow();
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// Explicitly kill this thread.
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AfxPostQuitMessage(0);
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}
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void CModelessDlg::OnCancel()
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{
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DestroyWindow();
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// Explicitly kill this thread.
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AfxPostQuitMessage(0);
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}
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void CreateModelessDlg(CModelessDlg * pDlg,
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HWND hWndParent,
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UINT nIDD)
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{
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ModelessThread * pMT;
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// If the dialog is still up, don't create a new one
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if (pDlg->GetSafeHwnd())
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{
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::SetActiveWindow(pDlg->GetSafeHwnd());
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return;
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}
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pMT = new ModelessThread(hWndParent,
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nIDD,
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pDlg->GetSignalEvent(),
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pDlg);
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pMT->CreateThread();
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}
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void WaitForModelessDlgClose(CModelessDlg *pDlg)
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{
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if (pDlg->GetSafeHwnd())
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{
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// Post a cancel to that window
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// Do an explicit post so that it executes on the other thread
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pDlg->PostMessage(WM_COMMAND, IDCANCEL, 0);
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// Now we need to wait for the event to be signalled so that
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// its memory can be cleaned up
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WaitForSingleObject(pDlg->GetSignalEvent(), INFINITE);
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}
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}
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