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DelayMsgBox.cpp
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DelayMsgBox.cpp
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#include "stdafx.h"
#include "DelayMsgBox.h"
IMPLEMENT_DYNAMIC(CDelayMsgBox, CWnd)
CDelayMsgBox::CDelayMsgBox(CWnd* pParent)
{
m_hWndParent = pParent->GetSafeHwnd(); // can be NULL
m_autoclose = NULL;
m_count = 0;
}
BEGIN_MESSAGE_MAP(CDelayMsgBox, CWnd)
ON_WM_TIMER()
ON_WM_CREATE()
ON_MESSAGE(WM_INITDIALOG, OnSubclassedInit)
END_MESSAGE_MAP()
// Purpose: Unhook window creation
int CDelayMsgBox::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
AfxUnhookWindowCreate();
return CWnd::OnCreate(lpCreateStruct);
}
// Purpose: Disable OK button, start timer
LRESULT CDelayMsgBox::OnSubclassedInit(WPARAM wParam, LPARAM lParam)
{
LRESULT lRet = Default();
CWnd* pOk = GetDlgItem(IDCANCEL);
if ( NULL != pOk )
pOk->EnableWindow(FALSE);
SetTimer(100,1000,NULL);
return lRet;
}
// Purpose: display running countdown, close when finished.
void CDelayMsgBox::OnTimer(UINT nIDEvent)
{
if (nIDEvent == 100)
{
if (m_count>0)
m_count--;
if (m_count == 0)
{
CWnd* pOk = GetDlgItem(IDCANCEL);
if ( NULL != pOk )
{
pOk->EnableWindow(TRUE);
pOk->SetFocus();
}
KillTimer(100);
if (m_autoclose)
PostMessage(WM_CLOSE,0,0);
}
}
}
// Purpose: Display a message box, hooking it to do stuff
int CDelayMsgBox::MessageBox(LPCTSTR lpszText,LPCTSTR lpTitle, int count, bool bclose,UINT uType)
{
m_autoclose = bclose;
m_count = count;
AfxHookWindowCreate(this);
return ::MessageBox(m_hWndParent, lpszText,lpTitle, uType);
}
// Purpose: prevent dialog from closing before it has timed out
LRESULT CDelayMsgBox::DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
if (message == WM_COMMAND && m_count > 0)
{
if(HIWORD(wParam) == BN_CLICKED )
return 0;
}
return CWnd::DefWindowProc(message, wParam, lParam);
}