#include<windows.h>#include<stdlib.h>#include<string.h> long WINAPI WndProc(HWND hWnd,UINT iMessage,UINT wParam,LONG IParam);   // 获取BOOL InitWindowsClass(HINSTANCE hInstance);BOOL InitWindows(HINSTANCE hInstance,int nCmdShow); int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow){ MSG Message; if(!InitWindowsClass(hInstance)) {  return FALSE; } if(!InitWindows(hInstance,nCmdShow)) {  return FALSE; } while(GetMessage(&Message,0,0,0)) {  TranslateMessage(&Message);  DispatchMessage(&Message); } return Message.wParam;} long WINAPI WndProc(HWND hWnd,UINT iMessage,UINT wParam,LONG IParam){ HDC hDC; HBRUSH hBrush; HPEN hPen; PAINTSTRUCT PtStr; switch(iMessage) { case WM_PAINT:  hDC=BeginPaint(hWnd,&PtStr);  SetMapMode(hDC,MM_ANISOTROPIC);  hPen=(HPEN)GetStockObject(BLACK_PEN);  hBrush=(HBRUSH)GetStockObject(DKGRAY_BRUSH);  SelectObject(hDC,hPen);  SelectObject(hDC,hBrush);  RoundRect(hDC,50,120,100,200,15,15);  hBrush=(HBRUSH)GetStockObject(LTGRAY_BRUSH);  SelectObject(hDC,hBrush);  Ellipse(hDC,150,50,200,150);        hBrush=(HBRUSH)GetStockObject(LTGRAY_BRUSH);  SelectObject(hDC,hBrush);  Pie(hDC,250,50,300,100,250,50,300,50);  EndPaint(hWnd,&PtStr);  return 0; case WM_DESTROY:        PostQuitMessage(0);  return 0; default:  return(DefWindowProc(hWnd,iMessage,wParam,IParam)); }} BOOL InitWindows(HINSTANCE hInstance,int nCmdShow){ HWND hWnd; hWnd=CreateWindow(                "WinFill",                "填充程序实例",                WS_OVERLAPPEDWINDOW,       CW_USEDEFAULT,       0,       CW_USEDEFAULT,       0,       NULL,       NULL,       hInstance,       NULL                      ); if(!hWnd) {  return FALSE; } ShowWindow(hWnd,nCmdShow); UpdateWindow(hWnd); return TRUE;} BOOL InitWindowsClass(HINSTANCE hInstance){ WNDCLASS WndClass; WndClass.cbClsExtra=0; WndClass.cbWndExtra=0; WndClass.hbrBackground=(HBRUSH)(GetStockObject(WHITE_BRUSH)); WndClass.hCursor=LoadCursor(hInstance,IDC_ARROW); WndClass.hIcon=LoadIcon(NULL,"END"); WndClass.lpszClassName="WinFill"; WndClass.hInstance=hInstance; WndClass.lpfnWndProc=WndProc; WndClass.lpszMenuName=NULL; WndClass.style=CS_HREDRAW|CS_VREDRAW; return RegisterClass(&WndClass);    }

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