#include
#include
#include
#include
#define?Pi?3.1415926535

long?WINAPI?WndProc（HWND?hWnd
					UINT?iMessage
					UINT?wParam
					LONG?lParam）;
BOOL?InitWindowsClass（HINSTANCE?hInstance）;
BOOL?InitWindows（HINSTANCE?hInstanceint?nCmdShow）;
int?WINAPI?WinMain（HINSTANCE?hInstance
				???HINSTANCE?hPrevInstance
				???LPSTR?lpCmdLine
				???int?nCmdShow）
{
	MSG?Message;
	if（!InitWindowsClass（hInstance））
		return?FALSE;
	if（!InitWindows（hInstancenCmdShow））
		return?FALSE;
	while（GetMessage（&Message000））??????
	{
		TranslateMessage（&Message）;
		DispatchMessage（&Message）;
	}
	return?Message.wParam;
}

long?WINAPI?WndProc（HWND?hWndUINT?iMessageUINT?wParamLONG?lParam）
{
	HDC?hDC;
	HBRUSH?hBrushhDefBrush;
	HPEN?hPenhDefPen;
	PAINTSTRUCT?PtStr;
	double?dfRadious0?=?100.0dfRadious1;
	POINT?lpOuterPoints[5]lpInnerPoints[5];
	POINT?lpTriangle[3];
????dfRadious1?=?dfRadious0*sin（0.1*Pi）/sin（126.0/180*Pi）;
	
	for（int?i=0;i<5;i++）
	{
		lpOuterPoints[i].x?=?（long）（dfRadious0*cos（i*72.0/180*Pi））;
		lpOuterPoints[i].y?=?（long）（dfRadious0*sin（i*72.0/180*Pi））;
		lpInnerPoints[i].x?=?（long）（dfRadious1*cos（i*72.0/180*Pi+36.0/180*Pi））;
		lpInnerPoints[i].y?=?（long）（dfRadious1*sin（i*72.0/180*Pi+36.0/180*Pi））;
	}

	switch（iMessage）
	{
	case?WM_PAINT:
		hDC?=?BeginPaint（hWnd&PtStr）;
		SetMapMode（hDCMM_ANISOTROPIC）;
		SetWindowOrgEx（hDC-100-100NULL）;
		hPen?=?CreatePen（PS_SOLID1RGB（25500））;

		hDefPen?=?（HPEN）Selectobject（hDChPen）;
		Polygon（hDClpOuterPoints5）;
		Selectobject（hDChDefPen）;
		Deleteobject（hPen）;

		for（i=0;i<5;i++）
		{
			lpTriangle[0]?=?lpOuterPoints[i%5];
			lpTriangle[1]?=?lpInnerPoints[i%5];
			lpTriangle[2]?=?lpOuterPoints[（i+1）%5];
			hBrush?=?CreateSolidBrush（RGB（i*10i*50i*30））;
			hDefBrush?=?（HBRUSH）Selectobject（hDChBrush）;
			Polygon（hDClpTriangle3）;
			lpTriangle[2]?=?lpInnerPoints[（i+4）%5];
			Selectobject（hDChDefBrush）;
			Deleteobject（hBrush）;

			hBrush?=?CreateSolidBrush（RGB（（5-i）*40（5-i）*50（5-i）*20））;
			hDefBrush?=?（HBRUSH）Selectobject（hDChBrush）;
			Polygon（hDClpTriangle3）;
			Selectobject（hDChDefBrush）;
			Deleteobject（hBrush）;
		}
		hBrush?=?CreateSolidBrush（RGB（255255255））;
		hDefBrush?=?（HBRUSH）Selectobject（hDChBrush）;
		Polygon（hDClpInnerPoints5）;
		Selectobject（hDChDefBrush）;
		Deleteobject（hBrush）;


		MoveToEx（hDClpOuterPoints[0].xlpOuterPoints[0].yNULL）;
		for（i=1;i<=5;i++）
		{
			hPen?=?CreatePen（PS_SOLID1RGB（0i*200））;
			hDefPen?=?（HPEN）Selectobject（hDChPen）;
			LineTo（hDClpOuterPoints[（i+2）%5].xlpOuterPoints[（i+2）%5].y）;
			Selectobject（hDChDefPen）;
			Deleteobject（hPen）;
		}

		EndPaint（hWnd&PtStr）;
		return?0;
	case?WM_DESTROY:
		PostQuitMessage（0）;
		return?0;
	default:
		return（DefWindowProc（hWndiMessagewParamlParam））;
	}
}
BOOL?InitWindows（HINSTANCE?hInstanceint?nCmdShow）
{
	HWND?hWnd;
	hWnd?=?CreateWindow（“WinFil

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-05?16:43??五邊形\
?????目錄???????????0??2013-05-05?16:40??五邊形\Debug\
?????文件??????132096??2013-05-05?16:40??五邊形\Debug\vc60.idb
?????文件???????77824??2013-05-05?16:34??五邊形\Debug\vc60.pdb
?????文件??????204859??2013-05-05?16:40??五邊形\Debug\源代碼.exe
?????文件??????229748??2013-05-05?16:40??五邊形\Debug\源代碼.ilk
?????文件???????18602??2013-05-05?16:40??五邊形\Debug\源代碼.obj
?????文件?????3565692??2013-05-05?16:34??五邊形\Debug\源代碼.pch
?????文件??????377856??2013-05-05?16:40??五邊形\Debug\源代碼.pdb
?????文件????????3920??2013-05-05?13:00??五邊形\五邊形.dsp
?????文件?????????520??2013-05-05?11:44??五邊形\五邊形.dsw
?????文件???????33792??2013-05-05?13:00??五邊形\五邊形.ncb
?????文件???????48640??2013-05-05?13:00??五邊形\五邊形.opt
?????文件????????3752??2013-05-05?16:34??五邊形\源代碼.cpp
?????文件????????3460??2013-05-05?16:42??五邊形\源代碼.dsp
?????文件?????????520??2013-05-05?16:42??五邊形\源代碼.dsw
?????文件???????41984??2013-05-05?16:43??五邊形\源代碼.ncb
?????文件???????48640??2013-05-05?16:43??五邊形\源代碼.opt
?????文件?????????742??2013-05-05?16:40??五邊形\源代碼.plg