Office 2007 Product Key process of rolling windows
 

/ / by moving the origin of coordinates to achieve the sine curve,Office 2007 Product Key, the array elements can reduce the mobile / / 2 * NUM, but to open up space for the array. # include # include

# define ID_TIMER 1 # define NUM 1000 # define STEP 10 / / Each step of moving # define TWOPI (2 * 3.14159)

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

int WINAPI WinMain ( ; HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { static TCHAR szAppName [] = TEXT (hwnd; MSG msg; WNDCLASS wndclass; wndclass.style ; = CS_HREDRAW | CS_VREDRAW; wndclass.lpfnWndProc = WndProc; wndclass.cbCl######tra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = hInstance; wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor (NULL, IDC_ARROW); wndclass.hbrBackground = (HBRUSH ) GetStockObject (WHITE_BRUSH); wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szAppName; if (! RegisterClass (& wndclass)) { MessageBox (NULL, TEXT (szAppName, MB_ICONERROR); return 0; } hwnd = CreateWindow (szAppName , TEXT (CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL); ShowWindow (hwnd, iCmdShow); UpdateWindow (hwnd);
while (GetMessage (& msg, NULL, 0, 0)) { TranslateMessage ( & msg); DispatchMessage (& msg); } return msg.wParam; }

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { static int cxClient, cyClient; HDC ; hdc; int i; PAINTSTRUCT ps; static POINT apt [2 * NUM]; static HPEN hPen1, hPen2; static int step; switch (message) { case WM_SIZE: cxClient = LOWORD (lParam); cyClient = HIWORD (lParam); for (i = 0; i <2 * NUM; i + +) { apt [i]. x = (int) (i * cxClient / NUM); apt [i]. y = (int) (cyClient * (1 - sin (TWOPI * i / NUM)) / 2); } return 0; case WM_CREATE: hPen1 = CreatePen (PS_SOLID, 4, RGB (255,0,0));