if( !UnregisterClass( "OpenGL", hInstance ) )
{
   MessageBox( NULL, "Could Not Unregister Class.", "SHUTDOWN ERROR", MB_OK | MB_ICONINFORMATION );
   hInstance = NULL;
}

#include <windows.h>
#include <windowsx.h>
#include <stdio.h>
#include <math.h>
#define DXE_WND_CLASSNAME "DXE Alpha"
#define WIN32_LEAN_AND_MEAN   //No fucking MCF!   

//Global variables

//Functions

LRESULT CALLBACK WindowProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
   PAINTSTRUCT ps;
   HDC         hDC;
   
   switch(msg)
   {
   case WM_CREATE:
      {
         //Actions for initialization
         return(0);
      } break;
   case WM_PAINT:
      {
         hDC = BeginPaint( hWnd, &ps);
         //Everything of picture painting
         EndPaint( hWnd, &ps);
         return(0);   //Successful complete
      } break;
   case WM_DESTROY:
      {
         //Shutdown application
         PostQuitMessage(0);

         //Sucessful complete
         return(0);
      } break;
   default: break;
   }   //switch

   return (DefWindowProc ( hWnd, msg, wParam, lParam ));
}   //WindowProc

/////////////////////WINMAIN/////////////////////

int WINAPI WinMain ( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd )
{
   WNDCLASSEX  dxeWnd;
   HWND      hWnd;
   MSG         msg;

   dxeWnd.cbSize = sizeof(WNDCLASSEX);
   dxeWnd.style = CS_DBLCLKS |CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
   dxeWnd.lpfnWndProc = WindowProc;
   dxeWnd.cbClsExtra = 0;
   dxeWnd.cbWndExtra = 0;
   dxeWnd.hInstance = hInstance;
   dxeWnd.hIcon = LoadIcon( NULL, IDI_APPLICATION );
   dxeWnd.hIconSm = LoadIcon( NULL, IDI_APPLICATION );
   dxeWnd.hCursor = LoadCursor( NULL, IDC_ARROW );
   dxeWnd.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
   dxeWnd.lpszMenuName = NULL;
   dxeWnd.lpszClassName = DXE_WND_CLASSNAME;
   
   //Class registration
   if( !RegisterClassEx(&dxeWnd)) return(0);

   //Window creation
   if( !(hWnd = CreateWindowEx(NULL, DXE_WND_CLASSNAME, "Alpha", NULL, 0, 0, 400, 400, NULL, NULL, hInstance, NULL )))
   {
      return(0);
   }

   //Main event cycle
   while(GetMessage(&msg, NULL, 0, 0))
   {
      TranslateMessage(&msg);
      DispatchMessage(&msg);
   }   //while

   //Return to Windows
   return(msg.wParam);
}   //WinMain

ShowWindow(hWnd, nShowCmd); //НОВОЕ

  //Main event cycle
  while(GetMessage(&msg, NULL, 0, 0))
  {
      TranslateMessage(&msg);
      DispatchMessage(&msg);
  }   //while

hWnd = CreateWindowEx(NULL, DXE_WND_CLASSNAME, "Alpha", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0 , 0, 400, 400, NULL, NULL, hInstance, NULL )