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#include <windows.h>
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[ ] = "WindowsApp";
int WINAPI WinMain (HINSTANCE hThisInstance,
 HINSTANCE hPrevInstance,
 LPSTR lpszArgument,
 int nFunsterStil)
{
 HWND hwnd; /* This is the handle for our window */
 MSG messages; /* Here messages to the application are saved */
 WNDCLASSEX wincl; /* Data structure for the windowclass */
 /* The Window structure */
 wincl.hInstance = hThisInstance;
 wincl.lpszClassName = szClassName;
 wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
 wincl.style = CS_DBLCLKS; /* Catch double-clicks */
 wincl.cbSize = sizeof (WNDCLASSEX);
 /* Use default icon and mouse-pointer */
 wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
 wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
 wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
 wincl.lpszMenuName = NULL; /* No menu */
 wincl.cbClsExtra = 0; /* No extra bytes after the window class */
 wincl.cbWndExtra = 0; /* structure or the window instance */
 /* Use Windows's default color as the background of the window */
 wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
 /* Register the window class, and if it fails quit the program */
 if (!RegisterClassEx (&wincl))
 return 0;
 /* The class is registered, let's create the program*/
 hwnd = CreateWindowEx (
 0, /* Extended possibilites for variation */
 szClassName, /* Classname */
 "Windows App", /* Title Text */
 WS_OVERLAPPEDWINDOW, /* default window */
 CW_USEDEFAULT, /* Windows decides the position */
 CW_USEDEFAULT, /* where the window ends up on the screen */
 544, /* The programs width */
 375, /* and height in pixels */
 HWND_DESKTOP, /* The window is a child-window to desktop */
 NULL, /* No menu */
 hThisInstance, /* Program Instance handler */
 NULL /* No Window Creation data */
 );
 /* Make the window visible on the screen */
 ShowWindow (hwnd, nFunsterStil);
 /* Run the message loop. It will run until GetMessage() returns 0 */
 while (GetMessage (&messages, NULL, 0, 0))
 {
 /* Translate virtual-key messages into character messages */
 TranslateMessage(&messages);
 /* Send message to WindowProcedure */
 DispatchMessage(&messages);
 }
 /* The program return-value is 0 - The value that PostQuitMessage() gave */
 return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
 switch (message) /* handle the messages */
 {
 case WM_DESTROY:
 PostQuitMessage (0); /* send a WM_QUIT to the message queue */
 break;
 default: /* for messages that we don't deal with */
 return DefWindowProc (hwnd, message, wParam, lParam);
 }
 return 0;
}