#include
#include
#define?TWOPI?（2*3.14159）
#define?IDTIMER?1
#define?ANGLE?TWOPI/360
LRESULT?CALLBACK?WindowProc（HWND?hwndUINT?uMsg?WPARAM?wParamLPARAM?lParam?）;
int?WINAPI?WinMain（HINSTANCE?hInstanceHINSTANCE?hPrevInstance?LPSTR?lpCmdLineint?nCmdShow?）
{
?TCHAR?szClassName[]?=?TEXT（“analogCloc“）;
?MSG?msg;
?HWND?hwnd;
?WNDCLASS?wndclass;
?wndclass.cbClsExtra?=?0;
?wndclass.cbWndExtra?=?0;
?wndclass.hbrBackground?=?（HBRUSH）::GetStockobject（WHITE_BRUSH）;
?wndclass.hCursor?=?NULL;
?wndclass.hIcon?=?NULL;
?wndclass.hInstance?=?hInstance;
?wndclass.lpfnWndProc?=?WindowProc;
?wndclass.lpszClassName?=?szClassName;
?wndclass.lpszMenuName?=?NULL;
?wndclass.style?=?CS_HREDRAW?|?CS_VREDRAW?;
?RegisterClass（&wndclass）;
?hwnd?=?CreateWindow（szClassNameTEXT（“Clock“）WS_OVERLAPPEDWINDOW
???CW_USEDEFAULTCW_USEDEFAULT
????????????CW_USEDEFAULTCW_USEDEFAULT
???NULL?NULL?hInstance?NULL）;
?ShowWindow（hwndnCmdShow）;
?????UpdateWindow（hwnd）;
?while（GetMessage（&msgNULL00））?
?{
??TranslateMessage（&msg）;
??DispatchMessage（&msg）;
?}
?return?msg.wParam;
}
void?setISOTROPIC（HDC?hdcint?cxClientint?cyClient）//設置映射模式使之成為笛卡爾坐標系的映射模式
{
?SetMapMode（hdcMM_ISOTROPIC）;
?SetWindowExtEx（hdc10001000NULL）;???//?邏輯單位與設備單位比1/2
?SetViewportExtEx（hdccxClient/2-cyClient/2NULL）;
?SetViewportOrgEx（hdccxClient/2cyClient/2NULL）;?????//?豎坐標向上為正，下為負
}
void?drawClock（HDC?hdc）
{
?int?x?y?radius;???
?Selectobject（hdcCreateSolidBrush（RGB（1148138）））;
?for（int?i=0;i<360;i+=6）
?{
??x?=?（int）（cos（TWOPI/360*i）*900）;
??y?=?（int）（sin（TWOPI/360*i）*900）;
??radius?=?!（i%5）?40:10;
??Ellipse（hdcx-radiusy-radiusx+radiusy+radius）;
?}
}
void?drawHands（HDC?hdcSYSTEMTIME?*pstBOOL?hChange）
{
?int?radius[3]?=?{500700850};?
?int?angle[3];??
?angle[0]?=?pst->wHour*30+pst->wMinute/12*6;????
?angle[1]?=?pst->wMinute*6;
?angle[2]?=?pst->wSecond*6;
?for（int?i=hChange?0:2;i<3;i++）
?{
??MoveToEx（hdc00NULL）;
??LineTo（hdc（int）（radius[i]*cos（ANGLE*（90-angle[i]）））
?????????（int）（radius[i]*sin（ANGLE*（90-angle[i]））））;
?}
}
LRESULT?CALLBACK?WindowProc（
????HWND?hwnd???
????UINT?message?
????WPARAM?wParam?
????LPARAM?lParam??
）
{
?TCHAR?time[40];
?PAINTSTRUCT?ps;
?HDC?hdc;
?static?int?cxClient?cyClient;
?SYSTEMTIME?st;
?static?SYSTEMTIME?preSt;
?BOOL?hChange;
?switch（message）
?{
??case?WM_CREATE:
??::SetTimer（hwndIDTIMER1000NULL）;
??::GetLocalTime（&st）;
??wsprintf（timeTEXT（“%d年%d月%d日%d時%d分%d秒“）
???????st.wYear
???????st.wMonth
???????st.wDay
???????st.wHour
???????st.wMinute
???????st.wSecond）;
??SetWindowText（hwndtime）;
??preSt?=?st;
??return?0;
?????case?WM_SIZE:
??cxClient?=?LOWORD（lParam）;
??cyClient?=?HIWORD（lParam）;
??return?0;
??case?WM_TIMER:
??::GetLocalTime（&st）;??//每次都要獲取當前時間
??hChange?=?st.wHour!=preSt.wHour||st.wMinute!=preSt.wMinute;
??hdc?=?GetDC（hwnd）;
??setISOTROPIC（hdccxClientcyClient）;
??::Selectobject（hdc::GetStockobject（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-12-29?18:07??新建文件夾\
?????文件????????3844??2011-06-15?22:04??新建文件夾\模擬時鐘.cpp
?????文件??????180280??2011-06-15?22:04??新建文件夾\模擬時鐘.exe