you'll have to include to get the win32api calls to work..
int MessageBox(
HWND hWnd, // handle of owner window
LPCTSTR lpText, // address of text in message box
LPCTSTR lpCaption, // address of title of message box
UINT uType // style of message box
);
use silentrage's example as a guide MB_OK is just a type of messagebox MB_ICONWARNING is another just get win32.hlp also known as windows 32 api refrenece
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The wise make mistakes, the fools repeat them
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When you have eliminated the impossible, that which remains, however improbable, must be the truth