Leaked source code of windows server 2003
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/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corporation, 1997 - 2002 **/
/**********************************************************************/
/*
MdlsDlg.cpp
The class to handle modelss dialog in the snapin
FILE HISTORY:
*/
#include "stdafx.h"
#include "modeless.h"
#include "MdlsDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CModelessDlg dialog
CModelessDlg::CModelessDlg()
: CBaseDialog()
{
//{{AFX_DATA_INIT(CModelessDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
m_hEventThreadKilled = ::CreateEvent(NULL, FALSE, FALSE, NULL);
Assert(m_hEventThreadKilled);
}
CModelessDlg::~CModelessDlg()
{
if (m_hEventThreadKilled)
::CloseHandle(m_hEventThreadKilled);
m_hEventThreadKilled = 0;
}
void CModelessDlg::DoDataExchange(CDataExchange* pDX)
{
CBaseDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CModelessDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CModelessDlg, CBaseDialog)
//{{AFX_MSG_MAP(CModelessDlg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CModelessDlg message handlers
void CModelessDlg::OnOK()
{
DestroyWindow();
// Explicitly kill this thread.
AfxPostQuitMessage(0);
}
void CModelessDlg::OnCancel()
{
DestroyWindow();
// Explicitly kill this thread.
AfxPostQuitMessage(0);
}
void CreateModelessDlg(CModelessDlg * pDlg,
HWND hWndParent,
UINT nIDD)
{
ModelessThread * pMT;
// If the dialog is still up, don't create a new one
if (pDlg->GetSafeHwnd())
{
::SetActiveWindow(pDlg->GetSafeHwnd());
return;
}
pMT = new ModelessThread(hWndParent,
nIDD,
pDlg->GetSignalEvent(),
pDlg);
pMT->CreateThread();
}
void WaitForModelessDlgClose(CModelessDlg *pDlg)
{
if (pDlg->GetSafeHwnd())
{
// Post a cancel to that window
// Do an explicit post so that it executes on the other thread
pDlg->PostMessage(WM_COMMAND, IDCANCEL, 0);
// Now we need to wait for the event to be signalled so that
// its memory can be cleaned up
WaitForSingleObject(pDlg->GetSignalEvent(), INFINITE);
}
}