C/C ++ provides a simple interface program to send the message source code to a specified window.

 # Include "windows. H "<br/> # include" psapi. H "<br/> # include" resource. H "<br/> # define classname" mingyusoftware "<br/> // set the psapi. lib added in <br/> # pragma comment (Lib, "psapi. lib ") <br/> # define title "process-window message sender" <br/> # define maxprocess 100 // defines the maximum number of processes enumerated <br/> # define maxmodule 100 // define the maximum number of processes in the enumeration <br/> // the size and position of the Main Window <br/> # define mainwindowleft 250 // Main Window (0, 0) coordinate distance to the left of the screen <br/> # define mainwindowtop 100 // Main Window (0, 0) the distance from the left to the top of the screen <br/> # define main1_wwide 800 // The width of the Main Window <br/> # define main1_wheight 600 // The height of the Main Window <br/> // confirm the button size and position (relative) <br/> # define okbuttonleft (330) // (0, 0) points are 120 away from the right boundary of the window <br/> # define okbuttontop 490 // 100 away from the top of the window <br/> # define okbuttonwide 115 // The button length is 100 <br/> # define okbuttonheight 35 // The button width is 35 <br/> // the size and position of the edit box (relative) <br/> # define editleft 100 // (120) points are 400 away from the right boundary of the window <br/> # define edittop 100 // away from the top of the window <br/> # d Efine editwide 600 // The button length is 100 <br/> # define editheight 20 // The button width is 35 <br/> // The size position (relative) of list box 1) <br/> # define listbox1left 35 // (0, 0) points are 120 away from the right boundary of the window <br/> # define listbox1top 25 // 100 away from the top of the window <br/> # define listbox1wide 350 // The button length is 100 <br/> # define listbox1height 350 // The button width is 35 <br/> // The size position (relative) of list box 2) <br/> # define listbox2left 400) 120 <br/> # define listbox2top 25 // 100 from the top of the window <br/> # define listbox2wide 350 // Press The button length is 100 <br/> # define listbox2height 350 // The button width is 35 <br/> // define id <br/> # define okbuttonid 1 // confirm the button ID <br/> # define edit1id 2 // ID of the edit box <br/> # define listbox1id 3 // ID of the Left list <br/> # define listbox2id 4 // right list box <br/> // define the clock id <br/> # define timerid 0 <br/> // The handle declaration of the window <br/> hwnd; // handle of the Main Window <br/> hwnd hbutton; // handle of the OK button <br/> hwnd hedit; // handle of the edit box <br/> hwnd hlistbox1; // handle of the Left list box <br/> hwnd hlistbox2; // handle with the list box <br/> // function declaration <B R/> lresult callback windowproc (hwnd, uint umsg, wparam, lparam); // message processing function <br/> boolenumcurrentprocess (); // enumerate all processes and modules <br/> bool getmodule (DWORD); <br/> bool adjusttoken (); // because of my computer room win7 system, if the permission is not elevated, opening the process will fail, so the function for permission escalation is added here <br/> bool callback enumwindowsproc (hwnd, lparam ); // process of window enumeration Program <br/> bool onbuttonclick1 (); // event handling when a button is pressed <br/> // global variable declaration <br/> DWORD dwprocess [maxprocess]; // Define the maximum number of processes <br/> DWORD dwpro [maxprocess]; <br/> hmodule [maxmodule]; // define the maximum number of modules <br/> char * STR [3] = {"Usage: send a message to the selected process in the left list (if there is a main window )"}, {"Format: MSG, wparam, lparam"}, {"such as sendmessaeg (hwnd, wm_close, null, null) in sendmessage (hwnd, MSG, wparam, lparam) you can enter "16, 0, 0", where 16 is the value represented by the macro wm_close "}}; <br/> char * STRs = "double-click a process or a process module to locate the file"; <br/> int winapi winmain (hinstance, hinstance hprevinstance, lpstr lpcmdline, Int ncmdshow) <br/>{< br/> MSG; <br/> wndclassex CLS = {sizeof (wndclassex) }; <br/> Cls. style = cs_hredraw | cs_vredraw; <br/> Cls. lpfnwndproc = windowproc; <br/> Cls. cbclsextra = 0; <br/> Cls. cbwndextra = 0; <br/> Cls. hinstance = hinstance; <br/> Cls. hicon = loadicon (hinstance, makeintresource (idi_icon1); <br/> Cls. hcursor = loadcursor (null, idc_arrow); <br/> Cls. hbrbackground = (hbrush) color_window; <br/> Cls. lpszclassname = Classname; <br/> Cls. lpszmenuname = makeintresource (idr_menu1); <br/> Cls. hiconsm = NULL; <br/> // register the window class <br/> atom dwreturn = registerclassex (& CLs); <br/> If (! Dwreturn) {MessageBox (null, "failed to register window class", "message center", mb_ OK | mb_iconerror); Return 0 ;} // handle window registration failure <br/> hwnd = createwindow (classname, title, ws_overlappedwindow | ws_visible, mainwindowleft, mainwindowtop, main1_wwide, main1_wheight, null, null, hinstance, null ); <br/> If (! Hwnd) {MessageBox (null, "window creation error", "message center", mb_ OK | mb_iconerror); Return 0 ;} // failed to create window <br/> showwindow (hwnd, sw_show); <br/> updatewindow (hwnd ); <br/> // Privilege Escalation <br/> adjusttoken (); <br/> enumcurrentprocess (); <br/> // settimer (hwnd, timerid, 5000, null); // trigger a clock once every 5 seconds. If the last parameter is null, send the wm_timer message <br/> while (getmessage (& MSG, 0, null, null )) <br/>{< br/> translatemessage (& MSG); <br/> dispatchmessage (& MSG); <br/>}< br/> lresult Callback windowproc (hwnd, uint umsg, wparam, lparam) <br/>{< br/> switch (umsg) <br/>{< br/> case wm_close: <br/> postquitmessage (0); <br/> break; <br/> case wm_timer: <br/> enumcurrentprocess (); <br/> break; <br/> case wm_paint: <br/>{< br/> HDC = getdc (hwnd); <br/> textout (HDC, 40, 5, "process list ", 8); <br/> textout (HDC, 40,368, "module list", 8); <br/> textout (HDC, STRs, strlen (STRs )); <br/> textout (HDC, 1 90,420, STR [0], strlen (STR [0]); <br/> textout (HDC, 130,440, STR [1], strlen (STR [1]); <br/> textout (HDC, 60,460, STR [2], strlen (STR [2]); <br/> releasedc (hwnd, HDC ); <br/> defwindowproc (hwnd, umsg, wparam, lparam); <br/>}< br/> break; <br/> case wm_keydown: <br/> If (wparam = vk_return) onbuttonclick1 (); <br/> break; </P> <p> case wm_create: // message sent when the window is created <br/>{< br/> // create a button <br/> hbutton = createwindow ("button", "Send a message to the window ", Ws_visible | ws_child, okbuttonleft, okbuttontop, okbuttonwide, okbuttonheight, hwnd, (hmenu) okbuttonid, null, null); <br/> If (! Hbutton) {MessageBox (null, "failed to create button", "message center", mb_ OK | mb_iconerror) ;}< br/> else showwindow (hbutton, sw_show ); <br/> // create the edit box <br/> hedit = createwindow ("edit", null, ws_visible | ws_child | ws_border, editleft, edittop, editwide, editheight, hwnd, (hmenu) edit1id, null, null); <br/> If (! Hbutton) {MessageBox (null, "failed to create button", "message center", mb_ OK | mb_iconerror) ;}< br/> else showwindow (hbutton, sw_show ); <br/> // create ListBox 1 <br/> hlistbox1 = createwindow ("ListBox", null, ws_vscroll | lbs_policy | ws_visible | ws_child | ws_border, listbox1left, listbox1top, listbox1wide, listbox1height, hwnd, (hmenu) listbox1id, null, null); <br/> If (! Hlistbox1) {MessageBox (null, "failed to create button", "message center", mb_ OK | mb_iconerror) ;}< br/> else showwindow (hlistbox1, sw_show ); <br/> // create list box 2 <br/> hlistbox2 = createwindow ("ListBox", null, ws_vscroll | lbs_policy | ws_visible | ws_child | ws_border, listbox2left, listbox2top, listbox2wide, listbox2height, hwnd, (hmenu) listbox2id, null, null); <br/> If (! Hlistbox2) {MessageBox (null, "failed to create button", "message center", mb_ OK | mb_iconerror) ;}< br/> else showwindow (hlistbox2, sw_show ); <br/> // set focus <br/> setfocus (hedit); <br/>}< br/> break; <br/> case wm_command: <br/>{< br/> word hword = hiword (wparam); <br/> word lword = loword (wparam); <br/> switch (lword) <br/>{< br/> case id_menuitem40001: <br/> postquitmessage (0); <br/> break; <br/> case id_menuitem40002: <br/> shellabout (hwnd, title, "Ben The program code is open-source and made by mingyu software studio. The code is pure API. QQ: 362625947,421302939 ", null); <br/> break; <br/> case okbuttonid: // In this case, it cannot be determined whether it is being double-clicked or not, but it is sufficient for the button <br/> onbuttonclick1 (); <br/> break; <br/> case id_menuitem40003: <br/> enumcurrentprocess (); <br/> break; <br/> case listbox1id: // The operation of the first ListBox <br/> switch (hword) <br/>{< br/> case lbn_selchange: // click Change Operation <br/>{< br/> int sel = sendmessage (hlistbox1, lb_getcursel ); <br/> getmodule (dwpro [sel]); // select the corresponding handle based on the current selection for operation <Br/>}< br/> break; <br/> case lbn_dblclk: // double-click <br/> char strpath [512] = {0 }; // accept <br/> char path [512] = {0}; <br/> int sel = sendmessage (hlistbox1, lb_getcursel ); <br/> sendmessage (hlistbox1, lb_gettext, Sel, (lparam) strpath); <br/> strcat (path, "/select ,"); <br/> strcat (path, strpath); <br/> ShellExecute (hwnd, "open", "assumer.exe", path, null, sw_shownormal); <br/> break; </P> <p >}< br/> break; <br/> case listbox2i D: // actions on the first list box <br/> switch (hword) <br/>{< br/> case lbn_dblclk: // double-click the operation <br/> char strpath [512] = {0}; // accept <br/> char path [512] = {0 }; <br/> int sel = sendmessage (hlistbox2, lb_getcursel, 0, 0); <br/> sendmessage (hlistbox2, lb_gettext, Sel, (lparam) strpath ); <br/> strcat (path, "/select,"); <br/> strcat (path, strpath); <br/> ShellExecute (hwnd, "open ", "assumer.exe", path, null, sw_shownormal); <br/> break; <br/>}< br/> break; </P> <P >}</P> <p >}< br/> break; </P> <p> default: <br/> return defwindowproc (hwnd, umsg, wparam, lparam); <br/>}< br/> return 0; <br/>}< br/> bool enumcurrentprocess () <br/>{< br/> DWORD cbneeded; <br/> handle hproc = 0; <br/> DWORD cbmod = 0; <br/> int num = 0; <br/> char buff [512] = {0}; <br/> int I = 0; // define I here to prevent repeated definitions in vs2005 <br/> Int J = 0; <br/> sendmessage (hlistbox1, lb_resetcontent, 0, 0 ); <br/> bool bsuccess = enumprocesses (Dwprocess, maxprocess * 4, & cbneeded); // here, cbneeded returns the number of bytes. The specific number of processes must be cbneeded/4 <br/> If (! Bsuccess) return false; <br/> for (I = 0; I <cbneeded/4; I ++) <br/>{< br/> hproc = OpenProcess (process_all_access, false, dwprocess [I]); // open the target Process <br/> If (hproc = NULL) continue; <br/> bool Bok = enumprocessmodules (hproc, hmodule, maxmodule * 4, & cbmod); <br/> If (! Bok) continue; </P> <p> getmodulefilenameex (hproc, hmodule [0], buff, 512 ); // obtain the full path of the current Executable File <br/> dwpro [num] = dwprocess [I]; <br/> num ++; <br/> sendmessage (hlistbox1, lb_addstring, 0, (lparam) buff); <br/>}</P> <p >}< br/> bool adjusttoken () <br/>{ <br/> token_privileges tokenprivileges; <br/> bool Bret; <br/> handle htoken; </P> <p> lookupprivilegevalue (null, se_debug_name, & tokenprivileges. privileges [0]. luid); <br/> O Penprocesstoken (getcurrentprocess (), token_adjust_privileges, & htoken); </P> <p> tokenprivileges. privilegecount = 1; <br/> tokenprivileges. privileges [0]. attributes = se_privilege_enabled; </P> <p> Bret = adjusttokenprivileges (htoken, false, & tokenprivileges, 0, null, null ); </P> <p> closehandle (htoken); <br/> return Bret = true; <br/>}< br/> bool getmodule (dword id) <br/>{< br/> handle hproc = 0; <br/> dwor D cbmod = 0; <br/> char buff [512] = {0}; <br/> int I = 0; // define I here to prevent repeated definitions in vs2005 <br/> sendmessage (hlistbox2, lb_resetcontent,); <br/> hproc = OpenProcess (process_all_access, false, ID); // open the target Process <br/> If (hproc = NULL) return 0; <br/> bool Bok = enumprocessmodules (hproc, hmodule, maxmodule * 4, & cbmod); <br/> If (! Bok) return 0; <br/> for (I = 1; I <cbmod/4; I ++) // It starts from 1. Because 0 is the path of the executable file, it is unnecessary to list it again. <br/>{< br/> getmodulefilenameex (hproc, hmodule [I], buff, 512); // obtain the full path of the current Executable File <br/> sendmessage (hlistbox2, lb_addstring, 0, (lparam) buff ); <br/>}< br/> return 1; <br/>}< br/> bool onbuttonclick1 () <br/>{< br/> int sel =-1; // defines the currently selected object. The sendmessage function does not modify the SEL value if no selection is made. <br/> sel = sendmessage (hlistbox1, lb_getcursel ); <br/> If (SEL =-1) {messag EBox (null, "select a process and then operate", "warning", mb_ OK | mb_iconwarning); Return 0 ;}< br/> bool Bok = enumwindows (enumwindowsproc, (lparam) dwpro [sel]); <br/> If (! Bok) {MessageBox (null, "messages cannot be sent to the window", "warning", mb_ OK | mb_iconwarning); Return 0 ;}< br/> return 1; <br/>}< br/> bool callback enumwindowsproc (hwnd, lparam) <br/>{< br/> DWORD dwprocid = 0; <br/> char buff [128] = {0}; // content of the edit box <br/> char temp [16] = {0 }; // accept temporary numeric characters <br/> char * curr = 0; <br/> char * temp1 = 0; <br/> int I = 0; <br/> DWORD pa [3]; <br/> getwindowthreadprocessid (hwnd, & dwprocid); // the return value is the thread ID. <br/> hwnd Han = fin Dwindow (null, "cmd.txt-Notepad"); <br/> If (DWORD) lparam = dwprocid) // if found, <br/>{< br/> getwindowtext (hedit, buff, 128); <br/> If (! Buff [0]) return 0; <br/> curr = Buff; temp1 = temp; <br/> for (I = 0; I <3; I ++) <br/>{< br/> while (* curr! = ',' & * Curr! = 0) // when no "," is encountered <br/>{< br/> * temp1 = * curr; temp1 ++; curr ++; <br/>}< br/> pa [I] = atoi (temp); <br/> zeromemory (temp, 16 ); // set the temporary string block to zero <br/> curr ++; temp1 = temp; <br/>}< br/> sendmessage (hwnd, pa [0], pa [1], pa [2]); <br/> return 1; <br/>}< br/> return 1; </P> <p >}< br/> 

 

 

For the compiled result, see my resources:

Http://download.csdn.net/source/1533342