全用api写的程序

全用api写的程序

#include <windows.h>
#include <stdio.h>
#include <TCHAR.h>
LRESULT CALLBACK winsProc(         
 HWND hwnd,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
);

int WinMain(         
   HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpCmdLine,
    int nCmdShow
)
{
 WNDCLASS wclass;
 wclass.cbClsExtra=0;
 wclass.cbWndExtra=0;
 wclass.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
 wclass.hCursor=LoadCursor(NULL,IDC_ARROW);
 wclass.hIcon=LoadIcon(NULL,IDI_ERROR);
 wclass.hInstance=hInstance;
 wclass.lpfnWndProc=winsProc;
 wclass.lpszClassName=_T("Wins32");
 wclass.lpszMenuName=NULL;
 wclass.style=CS_HREDRAW|CS_VREDRAW;
 RegisterClass(&wclass);

 HWND hwnd;
 hwnd=CreateWindow(_T("Wins32"),_T("linkwork"),
  WS_OVERLAPPEDWINDOW,0,0,800,600,NULL,NULL,hInstance,NULL);

 ShowWindow(hwnd,SW_SHOWNORMAL);

 UpdateWindow(hwnd);
 MSG msg;
 BOOL bRet;

while( (bRet = GetMessage( &msg, NULL, 0, 0 )) != 0)
{
    if (bRet == -1)
    {
        // handle the error and possibly exit
    }
    else
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
}

 return 0;

}
LRESULT CALLBACK winsProc(
  HWND hwnd,
  UINT uMsg,
  WPARAM wParam,
  LPARAM lParam
  )
{
 HDC dc;
 PAINTSTRUCT ps;
 switch(uMsg)
 {

 case WM_PAINT:
  dc=BeginPaint(hwnd,&ps);
  TextOut(dc,20,20,_T("Hello Word!"),10);
  EndPaint(hwnd,&ps);
  break;
 case WM_CLOSE:
  DestroyWindow(hwnd);
 case WM_DESTROY:
  PostQuitMessage(0);
 default:
  return DefWindowProc(hwnd,uMsg,wParam,lParam);
 
 }

 return 0;
}