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ScrnSize.c
Upload User: guangxunco
Upload Date: 2007-07-26
Package Size: 2562k
Code Size: 1k
Category:
Windows Develop
Development Platform:
WINDOWS
- /*-----------------------------------------------------
- SCRNSIZE.C -- Displays screen size in a message box
- (c) Charles Petzold, 1998
- -----------------------------------------------------*/
- #include <windows.h>
- #include <tchar.h>
- #include <stdio.h>
- int CDECL MessageBoxPrintf (TCHAR * szCaption, TCHAR * szFormat, ...)
- {
- TCHAR szBuffer [1024] ;
- va_list pArgList ;
- // The va_start macro (defined in STDARG.H) is usually equivalent to:
- // pArgList = (char *) &szFormat + sizeof (szFormat) ;
- va_start (pArgList, szFormat) ;
- // The last argument to wvsprintf points to the arguments
- _vsntprintf (szBuffer, sizeof (szBuffer) / sizeof (TCHAR),
- szFormat, pArgList) ;
- // The va_end macro just zeroes out pArgList for no good reason
- va_end (pArgList) ;
- return MessageBox (NULL, szBuffer, szCaption, 0) ;
- }
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- int cxScreen, cyScreen ;
- cxScreen = GetSystemMetrics (SM_CXSCREEN) ;
- cyScreen = GetSystemMetrics (SM_CYSCREEN) ;
- MessageBoxPrintf (TEXT ("ScrnSize"),
- TEXT ("The screen is %i pixels wide by %i pixels high."),
- cxScreen, cyScreen) ;
- return 0 ;
- }