#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("HelloWin") ;
HWND
hwnd ;
MSG
msg ;
WNDCLASS wndclass ;
wndclass.style
= CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc
= WndProc ;
wndclass.cbClsExtra
= 0 ;
wndclass.cbWndExtra
= 0 ;
wndclass.hInstance
= hInstance ;
wndclass.hIcon
= LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor
= LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground= (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName
= NULL ;
wndclass.lpszClassName= szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (
NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow( szAppName,
// window class name
TEXT ("The Hello Program"),
// window caption
WS_OVERLAPPEDWINDOW,
// window style
CW_USEDEFAULT,// initial x position
CW_USEDEFAULT,// initial y position
CW_USEDEFAULT,// initial x size
CW_USEDEFAULT,// initial y size
NULL,
// parent window handle
NULL,
// window menu handle
hInstance,
// program instance handle
NULL) ;
// creation parameters
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC
hdc ;
PAINTSTRUCT ps ;
RECT
rect ;
switch (message)
{
case WM_CREATE:
return 0 ;
case
WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case
WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}