Please Help!!Code:#include <windows.h> //Controls HWND Window1; HWND Button1; LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); int WINAPI WinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil) { MSG messages; /* Here messages to the application are saved */ WNDCLASSEX wincl; /* Data structure for the windowclass */ /* The Window structure */ wincl.hInstance = hThisInstance; wincl.lpszClassName = "Window1"; 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; //Window1 Window1 = CreateWindowEx( 0, "Window1", "Tic Tac Toe!", WS_OVERLAPPEDWINDOW, 300, 300, 300, 150, HWND_DESKTOP, NULL, hThisInstance, NULL); //Button1 Button1 = CreateWindow( "Button1", "Exit", WS_VISIBLE|WS_CHILD|BS_DEFPUSHBUTTON, 10, 10, 50, 25, Window1, NULL, (HINSTANCE) GetWindowLong(Window1, GWL_HINSTANCE), NULL); ShowWindow (Window1, nFunsterStil); //Messages 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 Window1, 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 (Window1, message, wParam, lParam); } return 0; }