C / C++ / MFC

#define UWM_SOMETHING (WM_APP + 1234)
 
BEGIN_MESSAGE_MAP(CMyDialog, CDialog)
    //{{AFX_MSG_MAP(CMyDialog)
    // NOTE: the ClassWizard will add message map macros here
    //}}AFX_MSG_MAP
    ON_MESSAGE(UWM_SOMETHING, OnSomething)
END_MESSAGE_MAP()
 
BOOL CMyDialog::OnInitDialog()
{
    CDialog::OnInitDialog();
    ...
    PostMessage(UWM_SOMETHING);
    return TRUE;
}
 
LRESULT CMyDialog::OnSomething( WPARAM, LPARAM )
{
    // do your stuff in here.  if it's CPU intensive, consider a
    // separate thread
    return 1;
}

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

BOOL Pump()
{
	MSG	msg;
	LONG	lIdle = 0;
	CWinApp*	app = AfxGetApp();

	// pump the messages
	while (::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
	{
		if (!app->PumpMessage())
		{
			::PostQuitMessage(0);
			return FALSE;
		}
	}

	// process idle works
	while (app->OnIdle(lIdle++));

	return TRUE;
}


BOOL CzedusDlg::OnInitDialog()
{
...
	ShowWindow(SW_SHOW);
	Pump();
	MessageBox(_T("It's your calculations"), _T("message"), MB_OK);
}

Example
// istream_op_extract.cpp
// compile with: /EHsc
#include <iostream>
using namespace std;

int main( ) 
{
   ws( cin );
   char c[10];

   cin.width( 9 );
   cin >> c;
   cout << c << endl;
}

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

std::string s;
std::cin >> s;

std::string s;
std::getline(cin,s);

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown