C++ Programers...HELP?

If anyone can tell me what all this means i will be thankful for a lifetime. i SO do not want to read a 400 page book over it...:





#include %26lt;windows.h%26gt;





/* 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 (%26amp;wincl))


return 0;





/* The class is registered, let's create the program*/


hwnd = CreateWindowEx (


0, /* Extended possibilites for variation */


szClassName, /* Classname */


"First Program", /* Title Text */


WS_OVERLAPPEDWINDOW, /* default window */


CW_USEDEFAULT, /* Windows decides the position */


CW_USEDEFAULT, /* where the window ends up on the screen */


200, /* The programs width */


150, /* 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 (%26amp;messages, NULL, 0, 0))


{


/* Translate virtual-key messages into character messages */


TranslateMessage(%26amp;messages);


/* Send message to WindowProcedure */


DispatchMessage(%26amp;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;


}

C++ Programers...HELP?
Sounds like a bloody excruciating way to open a windows dialogue box with an exit button.