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发表于 2013-10-19 21:40:56
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拈花小仙 发表于 2013-10-19 19:23
那能像SPY++那样方便的吗? - #include <windows.h>
- #include <stdio.h>
- #include <string.h>
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- static TCHAR szAppName[] = TEXT ("HelloWin") ;
- HWND hwnd ;
- MSG msg ;
- WNDCLASS wndclass ;
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 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 ("This program requires Windows NT!"),
- szAppName, MB_ICONERROR) ;
- return 0 ;
- }
-
- hwnd = CreateWindow (szAppName, // window class name
- TEXT ("The Hello Program"), // window caption
- WS_OVERLAPPEDWINDOW, // window style
- CW_USEDEFAULT, // initial x position
- CW_USEDEFAULT, // initial y position
- CW_USEDEFAULT, // initial x size
- CW_USEDEFAULT, // initial y size
- NULL, // parent window handle
- NULL, // window menu handle
- hInstance, // program instance handle
- NULL) ; // creation parameters
-
- 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)
- {
- HDC hdc ;
- static char msg[200];
-
- switch (message)
- {
- case WM_CREATE:
- SetWindowPos(hwnd, HWND_TOPMOST, 0,0,0,0, SWP_NOSIZE | SWP_NOMOVE);
- SetTimer(hwnd, 1, 100, NULL);
- return 0;
- case WM_TIMER:
- {
- POINT point;
- HWND spy_wnd;
- GetCursorPos(&point);
- spy_wnd = WindowFromPoint(point);
- if( spy_wnd == NULL ) {
- strcpy(msg, "No Window");
- }else {
- ::GetWindowText(spy_wnd,msg,200);
- }
- ::InvalidateRect(hwnd,NULL,TRUE);
- ::UpdateWindow(hwnd);
- hdc = ::GetDC(hwnd);
- ::TextOut(hdc,0,0,msg, strlen(msg));
- ::ReleaseDC(hwnd,hdc);
- return 0;
- }
-
- case WM_DESTROY:
- KillTimer(hwnd, 1);
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
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