clipboard&file operating.

1. /*------------------------------------------------- 
2.    Code By Pnig0s1992 
3.   -------------------------------------------------*/ 
4.  
5. #include <windows.h> 
6. #include <windowsx.h> 
7. #define DIVISIONS 5 
8.  
9. LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ; 
10.  
11. int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, 
12.                     PSTR  szCmdLine, int iCmdShow) 
13. { 
14.      static TCHAR szAppName[] = TEXT ("pwn0ne") ; 
15.      HWND         hwnd ; 
16.      MSG          msg ; 
17.      WNDCLASS     wndclass ; 
18.       
19.      wndclass.style         = CS_HREDRAW | CS_VREDRAW ; 
20.      wndclass.lpfnWndProc   = WndProc ; 
21.      wndclass.cbClsExtra    = 0 ; 
22.      wndclass.cbWndExtra    = 0 ; 
23.      wndclass.hInstance     = hInstance ; 
24.      wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ; 
25.      wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ; 
26.      wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ; 
27.      wndclass.lpszMenuName  = NULL ; 
28.      wndclass.lpszClassName = szAppName ; 
29.       
30.      if (!RegisterClass (&wndclass)) 
31.      { 
32.           MessageBox (NULL, TEXT ("Program requires Windows NT!"),  
33.                       szAppName, MB_ICONERROR) ; 
34.           return 0 ; 
35.      } 
36.       
37.      hwnd = CreateWindow (szAppName, TEXT ("pwn0ne"), 
38.                           WS_OVERLAPPEDWINDOW, 
39.                           CW_USEDEFAULT, CW_USEDEFAULT, 
40.                           CW_USEDEFAULT, CW_USEDEFAULT, 
41.                           NULL, NULL, hInstance, NULL) ; 
42.       
43.      ShowWindow (hwnd, iCmdShow) ; 
44.      UpdateWindow (hwnd) ; 
45.       
46.      while (GetMessage (&msg, NULL, 0, 0)) 
47.      { 
48.           TranslateMessage (&msg) ; 
49.           DispatchMessage (&msg) ; 
50.      } 
51.      return msg.wParam ; 
52. } 
53. LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) 
54. { 
55.      static PTSTR pText; 
56.      HBRUSH hBrush; 
57.      HDC hdc; 
58.      PAINTSTRUCT ps; 
59.      RECT rc; 
60.      HGLOBAL hGlobal; 
61.      PTSTR pGlobal; 
62.      HANDLE hHandle; 
63.      LPCWSTR szFilePath = L"example.txt"; 
64.      DWORD dzWriteDataSize; 
65.      LPSTR szFileData = "Test for clipboard&file operating."; 
66.      int i,iLength = strlen(szFileData); 
67.      BOOL bAvailable; 
68.      BOOL bOpen; 
69.  
70.      switch(message){ 
71.      case WM_CREATE: 
72.          hGlobal = GlobalAlloc(GPTR,iLength+1); 
73.          pGlobal = GlobalLock(hGlobal); 
74.          for(i=0;i<iLength;i++){ 
75.              *pGlobal++=*szFileData++; 
76.          } 
77.          GlobalUnlock(hGlobal); 
78.  
79.          OpenClipboard(hwnd); 
80.          EmptyClipboard(); 
81.          SetClipboardData(CF_TEXT,hGlobal); 
82.          CloseClipboard(); 
83.          return 0; 
84.      case WM_PAINT: 
85.          hdc = BeginPaint(hwnd,&ps); 
86.          GetClientRect(hwnd,&rc); 
87.          hBrush=CreateSolidBrush(RGB(0,0,255)); 
88.          FillRect(hdc,&rc,hBrush); 
89.          if(bAvailable = IsClipboardFormatAvailable(CF_TEXT)){ 
90.             MessageBox(hwnd,TEXT("Clipboard is empty."),TEXT("Tip"),MB_OK); 
91.             SendMessage(hwnd,WM_DESTROY,0,0); 
92.          } 
93.          if(!(bOpen = OpenClipboard(hwnd))){ 
94.             MessageBox(hwnd,TEXT("Open clipboard failed."),TEXT("Tip"),MB_OK); 
95.             SendMessage(hwnd,WM_DESTROY,0,0); 
96.          } 
97.          hGlobal = GetClipboardData(CF_TEXT); 
98.          pText = (char*)malloc(GlobalSize(hGlobal)); 
99.          pGlobal = GlobalLock(hGlobal); 
100.          lstrcpy(pText,pGlobal); 
101.          GlobalUnlock(hGlobal); 
102.          CloseClipboard(); 
103.  
104.          hHandle = CreateFile(szFilePath,GENERIC_WRITE,0,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_ARCHIVE,NULL); 
105.   
106.         if(hHandle == INVALID_HANDLE_VALUE){ 
107.         MessageBox(hwnd,TEXT("Create file failed."),TEXT("Warnning"),MB_OK); 
108.         SendMessage(hwnd,WM_DESTROY,0,0); 
109.         }else{ 
110.             if(!WriteFile(hHandle,szFileData,iLength,&dzWriteDataSize,NULL)){ 
111.                 MessageBox(hwnd,TEXT("Write file failed."),TEXT("Warnning"),MB_OK); 
112.                 SendMessage(hwnd,WM_DESTROY,0,0); 
113.             }else{ 
114.                 MessageBox(hwnd,TEXT("Write file successed."),TEXT("Tip"),MB_OK); 
115.                 SendMessage(hwnd,WM_DESTROY,0,0); 
116.         } 
117.     } 
118.          EndPaint(hwnd,&ps); 
119.          DeleteObject(hBrush); 
120.          return 0; 
121.      case WM_DESTROY: 
122.          PostQuitMessage(0); 
123.          return 0; 
124.      } 
125.      return DefWindowProc(hwnd,message,wParam,lParam); 
126. } 

本文转hackfreer51CTO博客，原文链接：http://blog.51cto.com/pnig0s1992/604402，如需转载请自行联系原作者