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Quellcode

#include <windows.h>

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);

int APIENTRY WinMain(HINSTANCE hInstance,
                            HINSTANCE hPrevInstance,
                     LPSTR lpCmdLine,
                     int nCmdShow)
{
    WNDCLASS WndClass;
   WndClass.style = 0;
   WndClass.cbClsExtra = 0;
   WndClass.cbWndExtra = 0;
   WndClass.lpfnWndProc = WndProc;
   WndClass.hInstance = hInstance;
   WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
   WndClass.hCursor = 0;
   WndClass.hIcon = 0;
   WndClass.lpszMenuName = 0,
   WndClass.lpszClassName = "WinProg";

   RegisterClass(&WndClass);

   HWND hWindow;
   hWindow = CreateWindow("WinProg","Fenster",
                                WS_OVERLAPPEDWINDOW,
                           0,0,400,400,NULL,NULL,
                           hInstance,NULL);

   ShowWindow(hWindow, nCmdShow);

   UpdateWindow(hWindow);

   MSG Message;
   while(GetMessage(&Message,NULL,0,0))
   {
        DispatchMessage(&Message);
   }

   return(Message.wParam);
}


LRESULT CALLBACK WndProc  (HWND hWnd, UINT uiMessage,
                                    WPARAM wParam, LPARAM lParam)
{
    switch(uiMessage)
   {
    case WM_DESTROY:
        PostQuitMessage(0);
         return (0);
      default:
        return DefWindowProc(hWnd, uiMessage,
                                    wParam, lParam);
   }
}