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<script type="text/javascript"> <!-- google_ad_client = "pub-4010729675800506";google_ad_width = 468;google_ad_height = 60;google_ad_format = "468x60_as_rimg";google_cpa_choice = "CAAQycb8zwEaCNrmdvgKt1bFKJnA93M";google_ad_channel = "9273642448";//--> </script> <script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"> </script> <iframe name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/cpa/ads?client=ca-pub-4010729675800506&amp;cpa_choice=CAAQycb8zwEaCNrmdvgKt1bFKJnA93M&amp;oe=gb2312&amp;dt=1155866367156&amp;lmt=1155765073&amp;format=468x60_as_rimg&amp;output=html&amp;channel=9273642448&amp;url=http%3A%2F%2Fwww.readbook8.com%2Fdev%2F5503%2F4475942.htm&amp;region=_google_cpa_region_&amp;ref=http%3A%2F%2Fwww.google.cn%2Fsearch%3Fhl%3Dzh-CN%26newwindow%3D1%26q%3Dhandle%2B%25E6%2598%25BE%25E7%25A4%25BA%2B%25E7%25AA%2597%25E5%258F%25A3%26meta%3D&amp;u_h=768&amp;u_w=1024&amp;u_ah=738&amp;u_aw=1024&amp;u_cd=32&amp;u_tz=480&amp;u_java=true" frameborder="0" width="468" scrolling="no" height="60" allowtransparency="allowtransparency"></iframe> 主　　题： 一问:怎么实现程序中不停的按某个键!!!!!!!!! 作　　者： yydelphi 等　　级： 信 誉 值： 97 所属社区： C++ Builder VCL组件使用和开发 问题点数： 20 回复次数： 27 发表时间： 2005-12-22 19:56:37   我知道可以用timer这个控件来控制时间. 但是怎么比如让F1按timer的时间执行? 呵呵,就像外挂里面不停的按键一样 penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-22 20:17:04 得分: 10   在Timer的周期事件中写如下代码： // 模拟 F1 键按下与释放 // 按下 keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0 ); // 释放 keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0 ); 要模拟其它按键可查键值表。 Top yydelphi   信誉： 97 2005-12-22 20:32:39 得分: 0   windowXp中F1是帮助,我把上面段程序copy到ontimer事件中 运行起来系统帮助并没有出来啊?? 是不是不同进程间的?? 怎么实现? Top yydelphi   信誉： 97 2005-12-22 20:41:05 得分: 0   顶一下 Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-22 20:48:41 得分: 0   不管是你手工按下的键还是模拟按下的键，都首先被当前激活的窗体接收到消息并处理。 如果你要Windows接收 F1 按下的消息，程序运行后把窗口最小化就会看见效果了。 或者要看更简单的效果，可以试模拟NumLock按下的动作，这就不用最小化窗口了： 把代码中 VK_F1 改成 VK_NUMLOCK即可。 Top yydelphi   信誉： 97 2005-12-22 21:05:41 得分: 0   我刚才试了一下,在window窗口中确实可以,帮助是出来了的 但是,先进入游戏窗口,再运行程序,F1就没效果 为什么? Top yydelphi   信誉： 97 2005-12-22 21:13:14 得分: 0   在游戏里手动按F1是有作用的. 切换出游戏窗口,在window窗口,程序也是有用的. 就是在游戏没用 分析分析,谢谢 Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-22 21:33:26 得分: 0   如果你是要给指定的窗口发送按键消息，可用下面的代码（举个例子）： // 模拟在Windows的记事本中输入“HELLO WORLD！” HWND hWin = FindWindow(NULL,"无标题 - 记事本"); if ( hWin == NULL) { ShowMessage("请打开记事本后重试。"); return; } HWND hEdit = FindWindowEx(hWin, NULL, "Edit", ""); char szBuf[] = "HELLO WORLD！"; SendMessage(hEdit, WM_SETTEXT, 0, (LPARAM)szBuf); } Top yydelphi   信誉： 97 2005-12-22 21:46:04 得分: 0   为什么你用的这些函数我在BCB6的帮助里都找不到? Top yydelphi   信誉： 97 2005-12-22 22:09:55 得分: 0   搞不定啊,penu老大帮帮忙 比如说指定的窗口为game_on HWAND hWin = FineWindow(NULL, "game_on"); if ( hWind == NULL ) return; 下面该怎么做? FindWindowEx在BCB里找不到帮助啊, 你例子里面"Edit"是固定的参数还是? Top yydelphi   信誉： 97 2005-12-23 9:41:06 得分: 0   顶一下 Top foxyz 如风 信誉： 100 2005-12-23 9:51:19 得分: 0   findwindow如果找到你的游戏窗口，然后就可以发消息了 Top yydelphi   信誉： 97 2005-12-23 10:00:30 得分: 0   HWAND hWin = FineWindow(NULL, "game_on"); 已经找到game_on窗口了 怎么向这个窗口发按键消息？ SendMessage(...)里面的参数该用什么？ Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-23 10:17:00 得分: 0   晕S，看来你得看看消息机制和API方面的书。 要给你解释清楚够写本书了。：（ Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-23 10:22:47 得分: 0   FindWindow Function -------------------------------------------------------------------------------- The FindWindow function retrieves a handle to the top-level window whose class name and window name match the specified strings. This function does not search child windows. This function does not perform a case-sensitive search. To search child windows, beginning with a specified child window, use the FindWindowEx function. Syntax HWND FindWindow( LPCTSTR lpClassName, LPCTSTR lpWindowName ); Parameters lpClassName [in] Pointer to a null-terminated string that specifies the class name or a class atom created by a previous call to the RegisterClass or RegisterClassEx function. The atom must be in the low-order word of lpClassName; the high-order word must be zero. If lpClassName points to a string, it specifies the window class name. The class name can be any name registered with RegisterClass or RegisterClassEx, or any of the predefined control-class names. If lpClassName is NULL, it finds any window whose title matches the lpWindowName parameter. lpWindowName [in] Pointer to a null-terminated string that specifies the window name (the window's title). If this parameter is NULL, all window names match. Return Value If the function succeeds, the return value is a handle to the window that has the specified class name and window name. If the function fails, the return value is NULL. To get extended error information, call GetLastError. Remarks If the lpWindowName parameter is not NULL, FindWindow calls the GetWindowText function to retrieve the window name for comparison. For a description of a potential problem that can arise, see the Remarks for GetWindowText. To check if the Microsoft&reg; IntelliType version 1.x software is running, call FindWindow as follows: FindWindow("MSITPro::EventQueue",NULL); To check if the IntelliType version 2.0 software is running, call FindWindow as follows: FindWindow("Type32_Main_Window", NULL); If the IntelliType software is running, it sends WM_APPCOMMAND messages to the application. Otherwise the application must install a hook to receive WM_APPCOMMAND messages. Microsoft Windows&reg; 95 or later: FindWindowW is supported by the Microsoft Layer for Unicode (MSLU). To use this, you must add certain files to your application, as outlined in Microsoft Layer for Unicode on Windows 95/98/Me Systems. Example For an example, see Retrieving the Number of Mouse Wheel Scroll Lines. Function Information Header Declared in Winuser.h, include Windows.h Import library User32.lib Minimum operating systems Windows 95, Windows NT 3.1 Unicode Implemented as Unicode and ANSI versions on Windows NT, Windows 2000, Windows XP See Also Windows Overview, EnumWindows, FindWindowEx, GetClassName, GetWindowText, RegisterClass, RegisterClassEx -------------------------------------------------------------------------------- &copy; 2003 Microsoft Corporation. All rights reserved. /* -------------------------------------------------------------------------- */ FindWindowEx Function -------------------------------------------------------------------------------- The FindWindowEx function retrieves a handle to a window whose class name and window name match the specified strings. The function searches child windows, beginning with the one following the specified child window. This function does not perform a case-sensitive search. Syntax HWND FindWindowEx( HWND hwndParent, HWND hwndChildAfter, LPCTSTR lpszClass, LPCTSTR lpszWindow ); Parameters hwndParent [in] Handle to the parent window whose child windows are to be searched. If hwndParent is NULL, the function uses the desktop window as the parent window. The function searches among windows that are child windows of the desktop. Microsoft&reg; Windows&reg; 2000 and Windows XP: If hwndParent is HWND_MESSAGE, the function searches all message-only windows. hwndChildAfter [in] Handle to a child window. The search begins with the next child window in the Z order. The child window must be a direct child window of hwndParent, not just a descendant window. If hwndChildAfter is NULL, the search begins with the first child window of hwndParent. Note that if both hwndParent and hwndChildAfter are NULL, the function searches all top-level and message-only windows. lpszClass [in] Pointer to a null-terminated string that specifies the class name or a class atom created by a previous call to the RegisterClass or RegisterClassEx function. The atom must be placed in the low-order word of lpszClass; the high-order word must be zero. If lpszClass is a string, it specifies the window class name. The class name can be any name registered with RegisterClass or RegisterClassEx, or any of the predefined control-class names, or it can be MAKEINTATOM(0x800). In this latter case, 0x8000 is the atom for a menu class. For more information, see the Remarks section of this topic. lpszWindow [in] Pointer to a null-terminated string that specifies the window name (the window's title). If this parameter is NULL, all window names match. Return Value If the function succeeds, the return value is a handle to the window that has the specified class and window names. If the function fails, the return value is NULL. To get extended error information, call GetLastError. Remarks If the lpszWindow parameter is not NULL, FindWindowEx calls the GetWindowText function to retrieve the window name for comparison. For a description of a potential problem that can arise, see the Remarks section of GetWindowText. An application can call this function in the following way. FindWindowEx( NULL, NULL, MAKEINTATOM(0x8000), NULL ); 0x8000 is the atom for a menu class. When an application calls this function, the function checks whether a context menu is being displayed that the application created. Windows 95 or later: FindWindowExW is supported by the Microsoft Layer for Unicode (MSLU). To use this, you must add certain files to your application, as outlined in Microsoft Layer for Unicode on Windows 95/98/Me Systems. Function Information Header Declared in Winuser.h, include Windows.h Import library User32.lib Minimum operating systems Windows 95, Windows NT 4.0 Unicode Implemented as Unicode and ANSI versions on Windows NT, Windows 2000, Windows XP See Also Windows Overview, EnumWindows, FindWindow, GetClassName, GetWindowText, RegisterClass, RegisterClassEx -------------------------------------------------------------------------------- &copy; 2003 Microsoft Corporation. All rights reserved. Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-23 10:23:05 得分: 0   /* -------------------------------------------------------------------------- */ keybd_event Function -------------------------------------------------------------------------------- The keybd_event function synthesizes a keystroke. The system can use such a synthesized keystroke to generate a WM_KEYUP or WM_KEYDOWN message. The keyboard driver's interrupt handler calls the keybd_event function. Windows NT/2000/XP:This function has been superseded. Use SendInput instead. Syntax VOID keybd_event( BYTE bVk, BYTE bScan, DWORD dwFlags, PTR dwExtraInfo ); Parameters bVk [in] Specifies a virtual-key code. The code must be a value in the range 1 to 254. For a complete list, see Virtual-Key Codes. bScan This parameter is not used. dwFlags [in] Specifies various aspects of function operation. This parameter can be one or more of the following values. KEYEVENTF_EXTENDEDKEY If specified, the scan code was preceded by a prefix byte having the value 0xE0 (224). KEYEVENTF_KEYUP If specified, the key is being released. If not specified, the key is being depressed. dwExtraInfo [in] Specifies an additional value associated with the key stroke. Return Value This function has no return value. Remarks An application can simulate a press of the PRINTSCRN key in order to obtain a screen snapshot and save it to the clipboard. To do this, call keybd_event with the bVk parameter set to VK_SNAPSHOT. Windows NT/2000/XP: The keybd_event function can toggle the NUM LOCK, CAPS LOCK, and SCROLL LOCK keys. Windows 95/98/Me: The keybd_event function can toggle only the CAPS LOCK and SCROLL LOCK keys. It cannot toggle the NUM LOCK key. The following sample program toggles the NUM LOCK light by using keybd_event() with a virtual key of VK_NUMLOCK. It takes a Boolean value that indicates whether the light should be turned off (FALSE) or on (TRUE). The same technique can be used for the CAPS LOCK key (VK_CAPITAL) and the SCROLL LOCK key (VK_SCROLL). Show Example #include <windows.h> void SetNumLock( BOOL bState ) { BYTE keyState[256]; GetKeyboardState((LPBYTE)&keyState); if( (bState && !(keyState[VK_NUMLOCK] & 1)) || (!bState && (keyState[VK_NUMLOCK] & 1)) ) { // Simulate a key press keybd_event( VK_NUMLOCK, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0 ); // Simulate a key release keybd_event( VK_NUMLOCK, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); } } void main() { SetNumLock( TRUE ); } Function Information Header Declared in Winuser.h, include Windows.h Import library User32.lib Minimum operating systems Windows 95, Windows NT 3.1 See Also Keyboard Input, GetAsyncKeyState, GetKeyState, keybd_event, MapVirtualKey, SetKeyboardState -------------------------------------------------------------------------------- &copy; 2003 Microsoft Corporation. All rights reserved. /* -------------------------------------------------------------------------- */ SendMessage Function -------------------------------------------------------------------------------- The SendMessage function sends the specified message to a window or windows. It calls the window procedure for the specified window and does not return until the window procedure has processed the message. To send a message and return immediately, use the SendMessageCallback or SendNotifyMessage function. To post a message to a thread's message queue and return immediately, use the PostMessage or PostThreadMessage function. Syntax LRESULT SendMessage( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam ); Parameters hWnd [in] Handle to the window whose window procedure will receive the message. If this parameter is HWND_BROADCAST, the message is sent to all top-level windows in the system, including disabled or invisible unowned windows, overlapped windows, and pop-up windows; but the message is not sent to child windows. Msg [in] Specifies the message to be sent. wParam [in] Specifies additional message-specific information. lParam [in] Specifies additional message-specific information. Return Value The return value specifies the result of the message processing; it depends on the message sent. Remarks Applications that need to communicate using HWND_BROADCAST should use the RegisterWindowMessage function to obtain a unique message for inter-application communication. The system only does marshalling for system messages (those in the range 0 to WM_USER). To send other messages (those above WM_USER) to another process, you must do custom marshalling. If the specified window was created by the calling thread, the window procedure is called immediately as a subroutine. If the specified window was created by a different thread, the system switches to that thread and calls the appropriate window procedure. Messages sent between threads are processed only when the receiving thread executes message retrieval code. The sending thread is blocked until the receiving thread processes the message. However, the sending thread will process incoming nonqueued messages while waiting for its message to be processed. To prevent this, use SendMessageTimeout with SMTO_BLOCK set. For more information on nonqueued messages, see Nonqueued Messages. Windows 95/98/Me: SendMessageW is supported by the Microsoft&reg; Layer for Unicode (MSLU). To use this, you must add certain files to your application, as outlined in Microsoft Layer for Unicode on Windows 95/98/Me Systems. Example For an example, see Processing Keyboard Input. Function Information Header Declared in Winuser.h, include Windows.h Import library User32.lib Minimum operating systems Windows 95, Windows NT 3.1 Unicode Implemented as Unicode and ANSI versions on Windows NT, Windows 2000, Windows XP See Also Messages and Message Queues Overview, InSendMessage, PostMessage, PostThreadMessage, RegisterWindowMessage, SendDlgItemMessage, SendMessageCallback, SendMessageTimeout, SendNotifyMessage -------------------------------------------------------------------------------- &copy; 2003 Microsoft Corporation. All rights reserved. Top yydelphi   信誉： 97 2005-12-23 10:26:11 得分: 0   :) 老大，我这个问题有点急 现在能按键了，能找到目标窗口了 麻烦您再说一下怎么通过SendMessage(..)让目标窗口按键？ 消息机制和API一时半会搞不定啊 现在先知道他们怎么用，多谢 Top yydelphi   信誉： 97 2005-12-23 10:47:18 得分: 0   // 按下 void test1() { keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0 ); } // 释放 void test2 { keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0 ); } HWND hWin = FindWindow(NULL,"game"); if ( hWin == NULL) { ShowMessage("请打开记事本后重试。"); return; } //HWND hEdit = FindWindowEx(hWin, NULL, "Edit", ""); //char szBuf[] = "HELLO WORLD！"; SendMessage(hWin, test1, 0, 0); SendMessage(hWin, test2, 0, 0); 就可以了咯？ Top yydelphi   信誉： 97 2005-12-23 10:56:24 得分: 0   我试了一下 void test1() { // 按下 keybd_event( VK_F5, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0 ); // 释放 keybd_event( VK_F5, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0 ); } HWND hWin = FindWindow(NULL,"1.txt - 记事本"); if ( hWin == NULL) { ShowMessage("请打开记事本后重试。"); return; } //HWND hEdit = FindWindowEx(hWin, NULL, "Edit", ""); //char szBuf[] = "HELLO WORLD！"; SendMessage(hWin, 0, (WPARAM)test1, (LPARAM)test1); 没有效果 记事本里面F5是插入当前时间 程序运行后没有起作用 Top penu 懒猫·子在川上之再上征程·杀人无心之寓怒于静 信誉： 99 2005-12-23 11:00:57 得分: 0   这样生搬硬套是不行的啊…… 三言两语讲不清楚…… Top yydelphi   信誉： 97 2005-12-23 11:08:44 得分: 0   老大，你帮我下一下SeneMessage(..)调用按键函数的代码可以嘛？ QQ联系我也可以啊，9670634,感谢! Top yydelphi   信誉： 97 2005-12-23 12:11:38 得分: 0   我用SendMessage(hWin,WM_KEYDOWN,VK_F5,0);也没效果，郁闷 Top kmfangxun   信誉： 100 2005-12-23 12:21:37 得分: 0   搂主看一下MSDN不行吗？ Top yydelphi   信誉： 97 2005-12-23 13:09:58 得分: 0   MSDN就是penu贴的那些东西，没找到例子啊，呵呵 一时半会研究不透 Top Ring_Pt 已是黄昏独自愁 信誉： 100 2005-12-23 13:15:35 得分: 10   我以前写了个传奇2里自动练技能的程序 抓到的窗口名叫TDXDraw; 在找出当前鼠标所在的窗口信息 TPoint Pos; HWND Handle; char Buf[1024]; GetCursorPos(&Pos); //获得光标的位置 Handle = WindowFromPoint(Pos); //取得光标位置的窗口句柄 Edit1->Text = IntToStr((int)Handle); //显示窗口句柄 GetClassName(Handle, Buf, 1024); //获得类名 Edit2->Text = Buf; //显示类名 SendMessage(Handle, WM_GETTEXT, 1024, Integer(&Buf)); //获得窗口信息 Edit3->Text = Buf; //显示窗口信息 判断如果是你需要执行的那个窗口再用 keybd_event(112, 0x45, KEYEVENTF_EXTENDEDKEY|0, 0); keybd_event(112, 0x45, KEYEVENTF_EXTENDEDKEY|KEYEVENTF_KEYUP, 0); Top yydelphi   信誉： 97 2005-12-23 13:41:28 得分: 0   窗口名字是不是应该就是最小化后在任务栏上显示的名字name？ 如果是的话，Handle = FindWindow(NULL, "name"); if ( Handle == NULL ) return; 是不是就可以判断是不是需要执行的那个窗口了？前面那些应该不需要 难道SendMessage（..)不能传递按键消息？ Top yydelphi   信誉： 97 2005-12-23 13:45:25 得分: 0   哦，窗口名字可能不是最小化后在任务栏上显示的名字name SendMessage(Handle, WM_GETTEXT, 1024, Integer(&Buf)); //获得窗口信息 后得到的写在Edit3里面的才是真正的name Top yydelphi   信誉： 97 2005-12-23 20:59:04 得分: 0   TPoint Pos; HWND Handle; char Buf[1024]; GetCursorPos(&Pos); //获得光标的位置 Handle = WindowFromPoint(Pos); //取得光标位置的窗口句柄 //Edit1->Text = IntToStr((int)Handle); //显示窗口句柄 GetClassName(Handle, Buf, 1024); //获得类名 //Edit2->Text = Buf; //显示类名 SendMessage(Handle, WM_GETTEXT, 1024, Integer(&Buf)); //获得窗口信息 Edit1->Clear(); Edit1->Text = AnsiString(Buf); //显示窗口信息 if ( AnsiString(Buf) == "YB_OnlineClient" ) { // 按下 keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | 0, 0 ); // 释放 keybd_event( VK_F1, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0 ); ShowMessage("once"); } 我设置的timer间隔为10秒,每隔10秒ShowMessage()是出来了的. Edit1->Text显示的也是YB_OnlineClient 为什么按键的动作在YB_OnlineClient窗口里没有作用呢? 手动按F1又有作用的.