//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
int xStart, yStart, xClient, yClient;
hInst = hInstance; // Store instance handle in our global variable
SizeTheWindow(&xStart, &yStart, &xClient, &yClient);
/*
hWnd = CreateWindow(szWindowClass, szAppName,
WS_POPUP | WS_DLGFRAME | WS_SYSMENU,
xStart, yStart,
xClient, yClient,
NULL, NULL, hInstance, NULL);
*/
hWnd = CreateWindow(szWindowClass, szAppName, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
if(!SetTimer(hWnd, ID_TIMER, 100, NULL))
{
MessageBox(hWnd, "Too many clocks or timers!", szAppName, MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
int PASCAL WinMain ( HANDLE hInstance,
HANDLE hPrevInstance,
LPSTR lpszCmdParam,
int nCmdShow)
{
static char szAppName[] = "Digital Clock";
HWND hwnd;
MSG msg;
short xStart,
yStart,
xClient,
yClient;
WNDCLASS wndclass;
// save off the command line parameters so that we can
// display them a little later!
// kills our present instantiation if another already exists!
if (hPrevInstance != 0)
return 0;
if(!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = NULL; // NONE DEFINED
wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground = GetStockObject (WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
RegisterClass(&wndclass);
}
// SetCursor(LoadCursor(NULL,IDC_ARROW));
SizeTheWindow(&xStart,&yStart,&xClient,&yClient);
hwnd = CreateWindow (szAppName, //name of this program
szAppName, //Window heading string
WS_POPUP | WS_DLGFRAME | WS_SYSMENU,//Window Style
xStart, //initial x pos
yStart, //initial y pos
xClient, //initial x size
yClient, //initial y size
NULL, //parent window handle
NULL, //window menu handle
hInstance, //program instance handle (!)
NULL); //creation params
if (!SetTimer (hwnd, ID_TIMER, TIMER_MSECS ,NULL))
{
MessageBox(hwnd,
"Too many clocks or timers!",
szAppName,
MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
// show it in its current state but DON'T switch to it.
ShowWindow(hwnd, SW_SHOWNOACTIVATE);
UpdateWindow(hwnd);
// loop until WM_QUIT (which causes GetMessage to return 0!)
while (GetMessage ( &msg,
NULL,
0,
0 ))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
